truffle: src/share/vm/oops/instanceKlass.hpp annotate

annotate src/share/vm/oops/instanceKlass.hpp @ 20611:3c87c13918fb

8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method. Reviewed-by: kvn, iignatyev

author	thartmann
date	Thu, 30 Oct 2014 13:03:30 +0100
parents	90257dfad6e3
children	fe34c5ab0b35 d5b74c583ec1

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
17709 f9e35a9dc8c7 8033792: AltHashing used jint for imprecise bit shifting minqi parents: 17674 diff changeset	2 * Copyright (c) 1997, 2014, 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: 1155 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1155 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: 1155 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: 1783 diff changeset	25 #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	26 #define SHARE_VM_OOPS_INSTANCEKLASS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	28 #include "classfile/classLoaderData.hpp"
10405 f2110083203d 8005849: JEP 167: Event-Based JVM Tracing sla parents: 10345 diff changeset	29 #include "memory/referenceType.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	30 #include "oops/annotations.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	31 #include "oops/constMethod.hpp"
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	32 #include "oops/fieldInfo.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33 #include "oops/instanceOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	34 #include "oops/klassVtable.hpp"
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	35 #include "runtime/atomic.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	36 #include "runtime/handles.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	37 #include "runtime/os.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	38 #include "utilities/accessFlags.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	39 #include "utilities/bitMap.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7596 diff changeset	40 #include "utilities/macros.hpp"
10405 f2110083203d 8005849: JEP 167: Event-Based JVM Tracing sla parents: 10345 diff changeset	41 #include "trace/traceMacros.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	42
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	43 // An InstanceKlass is the VM level representation of a Java class.
0 a61af66fc99e Initial load duke parents: diff changeset	44 // It contains all information needed for at class at execution runtime.
a61af66fc99e Initial load duke parents: diff changeset	45
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	46 // InstanceKlass layout:
0 a61af66fc99e Initial load duke parents: diff changeset	47 // [C++ vtbl pointer ] Klass
a61af66fc99e Initial load duke parents: diff changeset	48 // [subtype cache ] Klass
a61af66fc99e Initial load duke parents: diff changeset	49 // [instance size ] Klass
a61af66fc99e Initial load duke parents: diff changeset	50 // [java mirror ] Klass
a61af66fc99e Initial load duke parents: diff changeset	51 // [super ] Klass
a61af66fc99e Initial load duke parents: diff changeset	52 // [access_flags ] Klass
a61af66fc99e Initial load duke parents: diff changeset	53 // [name ] Klass
a61af66fc99e Initial load duke parents: diff changeset	54 // [first subklass ] Klass
a61af66fc99e Initial load duke parents: diff changeset	55 // [next sibling ] Klass
a61af66fc99e Initial load duke parents: diff changeset	56 // [array klasses ]
a61af66fc99e Initial load duke parents: diff changeset	57 // [methods ]
a61af66fc99e Initial load duke parents: diff changeset	58 // [local interfaces ]
a61af66fc99e Initial load duke parents: diff changeset	59 // [transitive interfaces ]
a61af66fc99e Initial load duke parents: diff changeset	60 // [fields ]
a61af66fc99e Initial load duke parents: diff changeset	61 // [constants ]
a61af66fc99e Initial load duke parents: diff changeset	62 // [class loader ]
a61af66fc99e Initial load duke parents: diff changeset	63 // [source file name ]
a61af66fc99e Initial load duke parents: diff changeset	64 // [inner classes ]
a61af66fc99e Initial load duke parents: diff changeset	65 // [static field size ]
a61af66fc99e Initial load duke parents: diff changeset	66 // [nonstatic field size ]
a61af66fc99e Initial load duke parents: diff changeset	67 // [static oop fields size ]
a61af66fc99e Initial load duke parents: diff changeset	68 // [nonstatic oop maps size ]
a61af66fc99e Initial load duke parents: diff changeset	69 // [has finalize method ]
a61af66fc99e Initial load duke parents: diff changeset	70 // [deoptimization mark bit ]
a61af66fc99e Initial load duke parents: diff changeset	71 // [initialization state ]
a61af66fc99e Initial load duke parents: diff changeset	72 // [initializing thread ]
a61af66fc99e Initial load duke parents: diff changeset	73 // [Java vtable length ]
a61af66fc99e Initial load duke parents: diff changeset	74 // [oop map cache (stack maps) ]
a61af66fc99e Initial load duke parents: diff changeset	75 // [EMBEDDED Java vtable ] size in words = vtable_len
a61af66fc99e Initial load duke parents: diff changeset	76 // [EMBEDDED nonstatic oop-map blocks] size in words = nonstatic_oop_map_size
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	77 // The embedded nonstatic oop-map blocks are short pairs (offset, length)
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	78 // indicating where oops are located in instances of this klass.
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	79 // [EMBEDDED implementor of the interface] only exist for interface
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	80 // [EMBEDDED host klass ] only exist for an anonymous class (JSR 292 enabled)
0 a61af66fc99e Initial load duke parents: diff changeset	81
a61af66fc99e Initial load duke parents: diff changeset	82
a61af66fc99e Initial load duke parents: diff changeset	83 // forward declaration for class -- see below for definition
a61af66fc99e Initial load duke parents: diff changeset	84 class SuperTypeClosure;
a61af66fc99e Initial load duke parents: diff changeset	85 class JNIid;
a61af66fc99e Initial load duke parents: diff changeset	86 class jniIdMapBase;
a61af66fc99e Initial load duke parents: diff changeset	87 class BreakpointInfo;
a61af66fc99e Initial load duke parents: diff changeset	88 class fieldDescriptor;
a61af66fc99e Initial load duke parents: diff changeset	89 class DepChange;
a61af66fc99e Initial load duke parents: diff changeset	90 class nmethodBucket;
a61af66fc99e Initial load duke parents: diff changeset	91 class PreviousVersionNode;
a61af66fc99e Initial load duke parents: diff changeset	92 class JvmtiCachedClassFieldMap;
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	93 class MemberNameTable;
0 a61af66fc99e Initial load duke parents: diff changeset	94
a61af66fc99e Initial load duke parents: diff changeset	95 // This is used in iterators below.
a61af66fc99e Initial load duke parents: diff changeset	96 class FieldClosure: public StackObj {
a61af66fc99e Initial load duke parents: diff changeset	97 public:
a61af66fc99e Initial load duke parents: diff changeset	98 virtual void do_field(fieldDescriptor* fd) = 0;
a61af66fc99e Initial load duke parents: diff changeset	99 };
a61af66fc99e Initial load duke parents: diff changeset	100
a61af66fc99e Initial load duke parents: diff changeset	101 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	102 // Print fields.
a61af66fc99e Initial load duke parents: diff changeset	103 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields.
a61af66fc99e Initial load duke parents: diff changeset	104 class FieldPrinter: public FieldClosure {
a61af66fc99e Initial load duke parents: diff changeset	105 oop _obj;
a61af66fc99e Initial load duke parents: diff changeset	106 outputStream* _st;
a61af66fc99e Initial load duke parents: diff changeset	107 public:
a61af66fc99e Initial load duke parents: diff changeset	108 FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {}
a61af66fc99e Initial load duke parents: diff changeset	109 void do_field(fieldDescriptor* fd);
a61af66fc99e Initial load duke parents: diff changeset	110 };
a61af66fc99e Initial load duke parents: diff changeset	111 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	112
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	113 // ValueObjs embedded in klass. Describes where oops are located in instances of
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	114 // this klass.
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	115 class OopMapBlock VALUE_OBJ_CLASS_SPEC {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	116 public:
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	117 // Byte offset of the first oop mapped by this block.
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	118 int offset() const { return _offset; }
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	119 void set_offset(int offset) { _offset = offset; }
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	120
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	121 // Number of oops in this block.
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	122 uint count() const { return _count; }
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	123 void set_count(uint count) { _count = count; }
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	124
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	125 // sizeof(OopMapBlock) in HeapWords.
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	126 static const int size_in_words() {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	127 return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >>
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	128 LogHeapWordSize;
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	129 }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	130
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	131 private:
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	132 int _offset;
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	133 uint _count;
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	134 };
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	135
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	136 struct JvmtiCachedClassFileData;
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	137
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	138 class InstanceKlass: public Klass {
0 a61af66fc99e Initial load duke parents: diff changeset	139 friend class VMStructs;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	140 friend class ClassFileParser;
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	141 friend class CompileReplay;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	142
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	143 protected:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	144 // Constructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	145 InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	146 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	147 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	148 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	149 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	150 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	151 bool is_anonymous);
0 a61af66fc99e Initial load duke parents: diff changeset	152 public:
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	153 static InstanceKlass* allocate_instance_klass(
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	154 ClassLoaderData* loader_data,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	155 int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	156 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	157 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	158 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	159 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	160 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	161 Symbol* name,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	162 Klass* super_klass,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	163 bool is_anonymous,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	164 TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	165
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	166 InstanceKlass() { assert(DumpSharedSpaces \|\| UseSharedSpaces, "only for CDS"); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	167
0 a61af66fc99e Initial load duke parents: diff changeset	168 // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description
a61af66fc99e Initial load duke parents: diff changeset	169 // of the class loading & initialization procedure, and the use of the states.
a61af66fc99e Initial load duke parents: diff changeset	170 enum ClassState {
a61af66fc99e Initial load duke parents: diff changeset	171 allocated, // allocated (but not yet linked)
a61af66fc99e Initial load duke parents: diff changeset	172 loaded, // loaded and inserted in class hierarchy (but not linked yet)
a61af66fc99e Initial load duke parents: diff changeset	173 linked, // successfully linked/verified (but not initialized yet)
a61af66fc99e Initial load duke parents: diff changeset	174 being_initialized, // currently running class initializer
a61af66fc99e Initial load duke parents: diff changeset	175 fully_initialized, // initialized (successfull final state)
a61af66fc99e Initial load duke parents: diff changeset	176 initialization_error // error happened during initialization
a61af66fc99e Initial load duke parents: diff changeset	177 };
a61af66fc99e Initial load duke parents: diff changeset	178
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	179 static int number_of_instance_classes() { return _total_instanceKlass_count; }
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	180
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	181 private:
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	182 static volatile int _total_instanceKlass_count;
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 6972 diff changeset	183
0 a61af66fc99e Initial load duke parents: diff changeset	184 protected:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	185 // Annotations for this class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	186 Annotations* _annotations;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	187 // Array classes holding elements of this class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	188 Klass* _array_klasses;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	189 // Constant pool for this class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	190 ConstantPool* _constants;
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	191 // The InnerClasses attribute and EnclosingMethod attribute. The
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	192 // _inner_classes is an array of shorts. If the class has InnerClasses
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	193 // attribute, then the _inner_classes array begins with 4-tuples of shorts
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	194 // [inner_class_info_index, outer_class_info_index,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	195 // inner_name_index, inner_class_access_flags] for the InnerClasses
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	196 // attribute. If the EnclosingMethod attribute exists, it occupies the
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	197 // last two shorts [class_index, method_index] of the array. If only
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	198 // the InnerClasses attribute exists, the _inner_classes array length is
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	199 // number_of_inner_classes * 4. If the class has both InnerClasses
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	200 // and EnclosingMethod attributes the _inner_classes array length is
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	201 // number_of_inner_classes * 4 + enclosing_method_attribute_size.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	202 Array<jushort>* _inner_classes;
0 a61af66fc99e Initial load duke parents: diff changeset	203
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	204 // the source debug extension for this klass, NULL if not specified.
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	205 // Specified as UTF-8 string without terminating zero byte in the classfile,
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	206 // it is stored in the instanceklass as a NULL-terminated UTF-8 string
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	207 char* _source_debug_extension;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	208 // Array name derived from this class which needs unreferencing
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	209 // if this class is unloaded.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	210 Symbol* _array_name;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	211
165 437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object kvn parents: 113 diff changeset	212 // Number of heapOopSize words used by non-static fields in this klass
437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object kvn parents: 113 diff changeset	213 // (including inherited fields but after header_size()).
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	214 int _nonstatic_field_size;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	215 int _static_field_size; // number words used by static fields (oop and non-oop) in this klass
12067 e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	216 // Constant pool index to the utf8 entry of the Generic signature,
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	217 // or 0 if none.
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	218 u2 _generic_signature_index;
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	219 // Constant pool index to the utf8 entry for the name of source file
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	220 // containing this klass, 0 if not specified.
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	221 u2 _source_file_name_index;
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	222 u2 _static_oop_field_count;// number of static oop fields in this klass
cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	223 u2 _java_fields_count; // The number of declared Java fields
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	224 int _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks
4737 75c0a73eee98 7102776: Pack instanceKlass boolean fields into single u1 field coleenp parents: 3939 diff changeset	225
7593 337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	226 // _is_marked_dependent can be set concurrently, thus cannot be part of the
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	227 // _misc_flags.
4772 8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	228 bool _is_marked_dependent; // used for marking during flushing and deoptimization
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	229 bool _has_unloaded_dependent;
7593 337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	230
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	231 enum {
20576 90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	232 _misc_rewritten = 1 << 0, // methods rewritten.
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	233 _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	234 _misc_should_verify_class = 1 << 2, // allow caching of preverification
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	235 _misc_is_anonymous = 1 << 3, // has embedded _host_klass field
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	236 _misc_is_contended = 1 << 4, // marked with contended annotation
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	237 _misc_has_default_methods = 1 << 5, // class/superclass/implemented interfaces has default methods
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	238 _misc_declares_default_methods = 1 << 6 // directly declares default methods (any access)
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	239 };
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	240 u2 _misc_flags;
0 a61af66fc99e Initial load duke parents: diff changeset	241 u2 _minor_version; // minor version number of class file
a61af66fc99e Initial load duke parents: diff changeset	242 u2 _major_version; // major version number of class file
a61af66fc99e Initial load duke parents: diff changeset	243 Thread* _init_thread; // Pointer to current thread doing initialization (to handle recusive initialization)
a61af66fc99e Initial load duke parents: diff changeset	244 int _vtable_len; // length of Java vtable (in words)
a61af66fc99e Initial load duke parents: diff changeset	245 int _itable_len; // length of Java itable (in words)
a61af66fc99e Initial load duke parents: diff changeset	246 OopMapCache* volatile _oop_map_cache; // OopMapCache for all methods in the klass (allocated lazily)
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	247 MemberNameTable* _member_names; // Member names
0 a61af66fc99e Initial load duke parents: diff changeset	248 JNIid* _jni_ids; // First JNI identifier for static fields in this class
a61af66fc99e Initial load duke parents: diff changeset	249 jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none
a61af66fc99e Initial load duke parents: diff changeset	250 nmethodBucket* _dependencies; // list of dependent nmethods
a61af66fc99e Initial load duke parents: diff changeset	251 nmethod* _osr_nmethods_head; // Head of list of on-stack replacement nmethods for this class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	252 BreakpointInfo* _breakpoints; // bpt lists, managed by Method*
0 a61af66fc99e Initial load duke parents: diff changeset	253 // Array of interesting part(s) of the previous version(s) of this
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	254 // InstanceKlass. See PreviousVersionWalker below.
0 a61af66fc99e Initial load duke parents: diff changeset	255 GrowableArray<PreviousVersionNode > _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	256 // JVMTI fields can be moved to their own structure - see 6315920
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	257 // JVMTI: cached class file, before retransformable agent modified it in CFLH
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	258 JvmtiCachedClassFileData* _cached_class_file;
7968 44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	259
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	260 volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	261
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	262 // Class states are defined as ClassState (see above).
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	263 // Place the _init_state here to utilize the unused 2-byte after
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	264 // _idnum_allocated_count.
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	265 u1 _init_state; // state of class
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	266 u1 _reference_type; // reference type
44c5fcd9cb25 8006280: Need to reorder metadata structures to reduce size (64-bit) iklam parents: 7596 diff changeset	267
0 a61af66fc99e Initial load duke parents: diff changeset	268 JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	269
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	270 NOT_PRODUCT(int _verify_count;) // to avoid redundant verifies
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	271
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	272 // Method array.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	273 Array<Method> _methods;
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	274 // Default Method Array, concrete methods inherited from interfaces
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	275 Array<Method> _default_methods;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	276 // Interface (Klass*s) this class declares locally to implement.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	277 Array<Klass> _local_interfaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	278 // Interface (Klass*s) this class implements transitively.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	279 Array<Klass> _transitive_interfaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	280 // Int array containing the original order of method in the class file (for JVMTI).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	281 Array<int>* _method_ordering;
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	282 // Int array containing the vtable_indices for default_methods
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	283 // offset matches _default_methods offset
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	284 Array<int>* _default_vtable_indices;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	285
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	286 // Instance and static variable information, starts with 6-tuples of shorts
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	287 // [access, name index, sig index, initval index, low_offset, high_offset]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	288 // for all fields, followed by the generic signature data at the end of
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	289 // the array. Only fields with generic signature attributes have the generic
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	290 // signature data set in the array. The fields array looks like following:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	291 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	292 // f1: [access, name index, sig index, initial value index, low_offset, high_offset]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	293 // f2: [access, name index, sig index, initial value index, low_offset, high_offset]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	294 // ...
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	295 // fn: [access, name index, sig index, initial value index, low_offset, high_offset]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	296 // [generic signature index]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	297 // [generic signature index]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	298 // ...
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	299 Array<u2>* _fields;
0 a61af66fc99e Initial load duke parents: diff changeset	300
a61af66fc99e Initial load duke parents: diff changeset	301 // embedded Java vtable follows here
a61af66fc99e Initial load duke parents: diff changeset	302 // embedded Java itables follows here
a61af66fc99e Initial load duke parents: diff changeset	303 // embedded static fields follows here
a61af66fc99e Initial load duke parents: diff changeset	304 // embedded nonstatic oop-map blocks follows here
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	305 // embedded implementor of this interface follows here
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	306 // The embedded implementor only exists if the current klass is an
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	307 // iterface. The possible values of the implementor fall into following
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	308 // three cases:
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	309 // NULL: no implementor.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	310 // A Klass* that's not itself: one implementor.
17728 b8413a9cbb84 8031752: Failed speculative optimizations should be reattempted when root of compilation is different roland parents: 17709 diff changeset	311 // Itself: more than one implementors.
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	312 // embedded host klass follows here
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	313 // The embedded host klass only exists in an anonymous class for
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	314 // dynamic language support (JSR 292 enabled). The host class grants
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	315 // its access privileges to this class also. The host class is either
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	316 // named, or a previously loaded anonymous class. A non-anonymous class
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	317 // or an anonymous class loaded through normal classloading does not
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	318 // have this embedded field.
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	319 //
0 a61af66fc99e Initial load duke parents: diff changeset	320
a61af66fc99e Initial load duke parents: diff changeset	321 friend class SystemDictionary;
a61af66fc99e Initial load duke parents: diff changeset	322
a61af66fc99e Initial load duke parents: diff changeset	323 public:
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	324 bool has_nonstatic_fields() const {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	325 return (_misc_flags & _misc_has_nonstatic_fields) != 0;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	326 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	327 void set_has_nonstatic_fields(bool b) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	328 if (b) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	329 _misc_flags \|= _misc_has_nonstatic_fields;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	330 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	331 _misc_flags &= ~_misc_has_nonstatic_fields;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	332 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	333 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	334
0 a61af66fc99e Initial load duke parents: diff changeset	335 // field sizes
a61af66fc99e Initial load duke parents: diff changeset	336 int nonstatic_field_size() const { return _nonstatic_field_size; }
a61af66fc99e Initial load duke parents: diff changeset	337 void set_nonstatic_field_size(int size) { _nonstatic_field_size = size; }
a61af66fc99e Initial load duke parents: diff changeset	338
a61af66fc99e Initial load duke parents: diff changeset	339 int static_field_size() const { return _static_field_size; }
a61af66fc99e Initial load duke parents: diff changeset	340 void set_static_field_size(int size) { _static_field_size = size; }
a61af66fc99e Initial load duke parents: diff changeset	341
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	342 int static_oop_field_count() const { return (int)_static_oop_field_count; }
cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	343 void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; }
0 a61af66fc99e Initial load duke parents: diff changeset	344
a61af66fc99e Initial load duke parents: diff changeset	345 // Java vtable
a61af66fc99e Initial load duke parents: diff changeset	346 int vtable_length() const { return _vtable_len; }
a61af66fc99e Initial load duke parents: diff changeset	347 void set_vtable_length(int len) { _vtable_len = len; }
a61af66fc99e Initial load duke parents: diff changeset	348
a61af66fc99e Initial load duke parents: diff changeset	349 // Java itable
a61af66fc99e Initial load duke parents: diff changeset	350 int itable_length() const { return _itable_len; }
a61af66fc99e Initial load duke parents: diff changeset	351 void set_itable_length(int len) { _itable_len = len; }
a61af66fc99e Initial load duke parents: diff changeset	352
a61af66fc99e Initial load duke parents: diff changeset	353 // array klasses
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	354 Klass* array_klasses() const { return _array_klasses; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	355 void set_array_klasses(Klass* k) { _array_klasses = k; }
0 a61af66fc99e Initial load duke parents: diff changeset	356
a61af66fc99e Initial load duke parents: diff changeset	357 // methods
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	358 Array<Method> methods() const { return _methods; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	359 void set_methods(Array<Method> a) { _methods = a; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	360 Method* method_with_idnum(int idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	361
a61af66fc99e Initial load duke parents: diff changeset	362 // method ordering
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	363 Array<int>* method_ordering() const { return _method_ordering; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	364 void set_method_ordering(Array<int>* m) { _method_ordering = m; }
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	365 void copy_method_ordering(intArray* m, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	366
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	367 // default_methods
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	368 Array<Method> default_methods() const { return _default_methods; }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	369 void set_default_methods(Array<Method> a) { _default_methods = a; }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	370
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	371 // default method vtable_indices
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	372 Array<int>* default_vtable_indices() const { return _default_vtable_indices; }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	373 void set_default_vtable_indices(Array<int>* v) { _default_vtable_indices = v; }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	374 Array<int>* create_new_default_vtable_indices(int len, TRAPS);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	375
0 a61af66fc99e Initial load duke parents: diff changeset	376 // interfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	377 Array<Klass> local_interfaces() const { return _local_interfaces; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	378 void set_local_interfaces(Array<Klass> a) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	379 guarantee(_local_interfaces == NULL \|\| a == NULL, "Just checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	380 _local_interfaces = a; }
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	381
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	382 Array<Klass> transitive_interfaces() const { return _transitive_interfaces; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	383 void set_transitive_interfaces(Array<Klass> a) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	384 guarantee(_transitive_interfaces == NULL \|\| a == NULL, "Just checking");
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	385 _transitive_interfaces = a;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	386 }
0 a61af66fc99e Initial load duke parents: diff changeset	387
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	388 private:
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	389 friend class fieldDescriptor;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	390 FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	391
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	392 public:
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	393 int field_offset (int index) const { return field(index)->offset(); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	394 int field_access_flags(int index) const { return field(index)->access_flags(); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	395 Symbol* field_name (int index) const { return field(index)->name(constants()); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	396 Symbol* field_signature (int index) const { return field(index)->signature(constants()); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	397
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	398 // Number of Java declared fields
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	399 int java_fields_count() const { return (int)_java_fields_count; }
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	400
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	401 Array<u2>* fields() const { return _fields; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	402 void set_fields(Array<u2>* f, u2 java_fields_count) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	403 guarantee(_fields == NULL \|\| f == NULL, "Just checking");
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	404 _fields = f;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	405 _java_fields_count = java_fields_count;
0 a61af66fc99e Initial load duke parents: diff changeset	406 }
a61af66fc99e Initial load duke parents: diff changeset	407
a61af66fc99e Initial load duke parents: diff changeset	408 // inner classes
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	409 Array<u2>* inner_classes() const { return _inner_classes; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	410 void set_inner_classes(Array<u2>* f) { _inner_classes = f; }
0 a61af66fc99e Initial load duke parents: diff changeset	411
a61af66fc99e Initial load duke parents: diff changeset	412 enum InnerClassAttributeOffset {
a61af66fc99e Initial load duke parents: diff changeset	413 // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814
a61af66fc99e Initial load duke parents: diff changeset	414 inner_class_inner_class_info_offset = 0,
a61af66fc99e Initial load duke parents: diff changeset	415 inner_class_outer_class_info_offset = 1,
a61af66fc99e Initial load duke parents: diff changeset	416 inner_class_inner_name_offset = 2,
a61af66fc99e Initial load duke parents: diff changeset	417 inner_class_access_flags_offset = 3,
a61af66fc99e Initial load duke parents: diff changeset	418 inner_class_next_offset = 4
a61af66fc99e Initial load duke parents: diff changeset	419 };
a61af66fc99e Initial load duke parents: diff changeset	420
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	421 enum EnclosingMethodAttributeOffset {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	422 enclosing_method_class_index_offset = 0,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	423 enclosing_method_method_index_offset = 1,
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	424 enclosing_method_attribute_size = 2
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	425 };
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	426
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 431 diff changeset	427 // method override check
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	428 bool is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS);
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 431 diff changeset	429
0 a61af66fc99e Initial load duke parents: diff changeset	430 // package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	431 bool is_same_class_package(Klass* class2);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	432 bool is_same_class_package(oop classloader2, Symbol* classname2);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	433 static bool is_same_class_package(oop class_loader1, Symbol* class_name1, oop class_loader2, Symbol* class_name2);
0 a61af66fc99e Initial load duke parents: diff changeset	434
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	435 // find an enclosing class (defined where original code was, in jvm.cpp!)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	436 Klass* compute_enclosing_class(bool* inner_is_member, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	437 instanceKlassHandle self(THREAD, this);
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	438 return compute_enclosing_class_impl(self, inner_is_member, THREAD);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	439 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	440 static Klass* compute_enclosing_class_impl(instanceKlassHandle self,
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	441 bool* inner_is_member, TRAPS);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	442
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	443 // tell if two classes have the same enclosing class (at package level)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	444 bool is_same_package_member(Klass* class2, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	445 instanceKlassHandle self(THREAD, this);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	446 return is_same_package_member_impl(self, class2, THREAD);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	447 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	448 static bool is_same_package_member_impl(instanceKlassHandle self,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	449 Klass* class2, TRAPS);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	450
0 a61af66fc99e Initial load duke parents: diff changeset	451 // initialization state
a61af66fc99e Initial load duke parents: diff changeset	452 bool is_loaded() const { return _init_state >= loaded; }
a61af66fc99e Initial load duke parents: diff changeset	453 bool is_linked() const { return _init_state >= linked; }
a61af66fc99e Initial load duke parents: diff changeset	454 bool is_initialized() const { return _init_state == fully_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	455 bool is_not_initialized() const { return _init_state < being_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	456 bool is_being_initialized() const { return _init_state == being_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	457 bool is_in_error_state() const { return _init_state == initialization_error; }
a61af66fc99e Initial load duke parents: diff changeset	458 bool is_reentrant_initialization(Thread *thread) { return thread == _init_thread; }
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	459 ClassState init_state() { return (ClassState)_init_state; }
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	460 bool is_rewritten() const { return (_misc_flags & _misc_rewritten) != 0; }
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 726 diff changeset	461
ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 726 diff changeset	462 // defineClass specified verification
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	463 bool should_verify_class() const {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	464 return (_misc_flags & _misc_should_verify_class) != 0;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	465 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	466 void set_should_verify_class(bool value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	467 if (value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	468 _misc_flags \|= _misc_should_verify_class;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	469 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	470 _misc_flags &= ~_misc_should_verify_class;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	471 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	472 }
0 a61af66fc99e Initial load duke parents: diff changeset	473
a61af66fc99e Initial load duke parents: diff changeset	474 // marking
4772 8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	475 bool is_marked_dependent() const { return _is_marked_dependent; }
8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	476 void set_is_marked_dependent(bool value) { _is_marked_dependent = value; }
0 a61af66fc99e Initial load duke parents: diff changeset	477
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	478 bool has_unloaded_dependent() const { return _has_unloaded_dependent; }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	479 void set_has_unloaded_dependent(bool value) { _has_unloaded_dependent = value; }
2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	480
0 a61af66fc99e Initial load duke parents: diff changeset	481 // initialization (virtuals from Klass)
a61af66fc99e Initial load duke parents: diff changeset	482 bool should_be_initialized() const; // means that initialize should be called
a61af66fc99e Initial load duke parents: diff changeset	483 void initialize(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	484 void link_class(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	485 bool link_class_or_fail(TRAPS); // returns false on failure
a61af66fc99e Initial load duke parents: diff changeset	486 void unlink_class();
a61af66fc99e Initial load duke parents: diff changeset	487 void rewrite_class(TRAPS);
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	488 void link_methods(TRAPS);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	489 Method* class_initializer();
0 a61af66fc99e Initial load duke parents: diff changeset	490
a61af66fc99e Initial load duke parents: diff changeset	491 // set the class to initialized if no static initializer is present
a61af66fc99e Initial load duke parents: diff changeset	492 void eager_initialize(Thread *thread);
a61af66fc99e Initial load duke parents: diff changeset	493
a61af66fc99e Initial load duke parents: diff changeset	494 // reference type
4899 a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	495 ReferenceType reference_type() const { return (ReferenceType)_reference_type; }
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	496 void set_reference_type(ReferenceType t) {
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	497 assert(t == (u1)t, "overflow");
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	498 _reference_type = (u1)t;
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	499 }
0 a61af66fc99e Initial load duke parents: diff changeset	500
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	501 static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2376 diff changeset	502
0 a61af66fc99e Initial load duke parents: diff changeset	503 // find local field, returns true if found
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	504 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	505 // find field in direct superinterfaces, returns the interface in which the field is defined
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	506 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	507 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	508 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	509 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	510 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	511
a61af66fc99e Initial load duke parents: diff changeset	512 // find a non-static or static field given its offset within the class.
a61af66fc99e Initial load duke parents: diff changeset	513 bool contains_field_offset(int offset) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	514 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
0 a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
a61af66fc99e Initial load duke parents: diff changeset	517 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
a61af66fc99e Initial load duke parents: diff changeset	518 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
a61af66fc99e Initial load duke parents: diff changeset	519
a61af66fc99e Initial load duke parents: diff changeset	520 // find a local method (returns NULL if not found)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	521 Method* find_method(Symbol* name, Symbol* signature) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	522 static Method* find_method(Array<Method> methods, Symbol* name, Symbol* signature);
13414 379f11bc04fc 8028438: static superclass method masks default methods acorn parents: 13401 diff changeset	523 static Method* find_instance_method(Array<Method> methods, Symbol* name, Symbol* signature);
0 a61af66fc99e Initial load duke parents: diff changeset	524
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	525 // find a local method index in default_methods (returns -1 if not found)
17889 386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	526 static int find_method_index(Array<Method> methods, Symbol* name, Symbol* signature, bool skipping_overpass);
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	527
0 a61af66fc99e Initial load duke parents: diff changeset	528 // lookup operation (returns NULL if not found)
17889 386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	529 Method* uncached_lookup_method(Symbol* name, Symbol* signature, MethodLookupMode mode) const;
0 a61af66fc99e Initial load duke parents: diff changeset	530
a61af66fc99e Initial load duke parents: diff changeset	531 // lookup a method in all the interfaces that this class implements
a61af66fc99e Initial load duke parents: diff changeset	532 // (returns NULL if not found)
17889 386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	533 Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature, MethodLookupMode mode) const;
17464 5832cdaf89c6 8027804: JCK resolveMethod test fails expecting AbstractMethodError hseigel parents: 13414 diff changeset	534
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	535 // lookup a method in local defaults then in all interfaces
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	536 // (returns NULL if not found)
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	537 Method* lookup_method_in_ordered_interfaces(Symbol* name, Symbol* signature) const;
0 a61af66fc99e Initial load duke parents: diff changeset	538
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	539 // Find method indices by name. If a method with the specified name is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	540 // found the index to the first method is returned, and 'end' is filled in
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	541 // with the index of first non-name-matching method. If no method is found
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	542 // -1 is returned.
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	543 int find_method_by_name(Symbol* name, int* end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	544 static int find_method_by_name(Array<Method> methods, Symbol* name, int* end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	545
0 a61af66fc99e Initial load duke parents: diff changeset	546 // constant pool
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	547 ConstantPool* constants() const { return _constants; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	548 void set_constants(ConstantPool* c) { _constants = c; }
0 a61af66fc99e Initial load duke parents: diff changeset	549
a61af66fc99e Initial load duke parents: diff changeset	550 // protection domain
10343 6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	551 oop protection_domain() const;
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	552
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	553 // signers
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	554 objArrayOop signers() const;
0 a61af66fc99e Initial load duke parents: diff changeset	555
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 356 diff changeset	556 // host class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	557 Klass* host_klass() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	558 Klass hk = (Klass)adr_host_klass();
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	559 if (hk == NULL) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	560 return NULL;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	561 } else {
17709 f9e35a9dc8c7 8033792: AltHashing used jint for imprecise bit shifting minqi parents: 17674 diff changeset	562 assert(*hk != NULL, "host klass should always be set if the address is not null");
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	563 return *hk;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	564 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	565 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	566 void set_host_klass(Klass* host) {
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	567 assert(is_anonymous(), "not anonymous");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	568 Klass addr = (Klass)adr_host_klass();
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	569 assert(addr != NULL, "no reversed space");
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	570 if (addr != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	571 *addr = host;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	572 }
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	573 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	574 bool is_anonymous() const {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	575 return (_misc_flags & _misc_is_anonymous) != 0;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	576 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	577 void set_is_anonymous(bool value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	578 if (value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	579 _misc_flags \|= _misc_is_anonymous;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	580 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	581 _misc_flags &= ~_misc_is_anonymous;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	582 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	583 }
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 356 diff changeset	584
7409 30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	585 // Oop that keeps the metadata for this class from being unloaded
30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	586 // in places where the metadata is stored in other places, like nmethods
30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	587 oop klass_holder() const {
30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	588 return is_anonymous() ? java_mirror() : class_loader();
30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	589 }
30866cd626b0 8004883: NPG: clean up anonymous class fix coleenp parents: 6972 diff changeset	590
7587 4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	591 bool is_contended() const {
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	592 return (_misc_flags & _misc_is_contended) != 0;
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	593 }
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	594 void set_is_contended(bool value) {
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	595 if (value) {
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	596 _misc_flags \|= _misc_is_contended;
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	597 } else {
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	598 _misc_flags &= ~_misc_is_contended;
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	599 }
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	600 }
4a916f2ce331 8003985: Support @Contended Annotation - JEP 142 jwilhelm parents: 7465 diff changeset	601
0 a61af66fc99e Initial load duke parents: diff changeset	602 // source file name
12067 e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	603 Symbol* source_file_name() const {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	604 return (_source_file_name_index == 0) ?
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	605 (Symbol*)NULL : _constants->symbol_at(_source_file_name_index);
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	606 }
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	607 u2 source_file_name_index() const {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	608 return _source_file_name_index;
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	609 }
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	610 void set_source_file_name_index(u2 sourcefile_index) {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	611 _source_file_name_index = sourcefile_index;
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	612 }
0 a61af66fc99e Initial load duke parents: diff changeset	613
a61af66fc99e Initial load duke parents: diff changeset	614 // minor and major version numbers of class file
a61af66fc99e Initial load duke parents: diff changeset	615 u2 minor_version() const { return _minor_version; }
a61af66fc99e Initial load duke parents: diff changeset	616 void set_minor_version(u2 minor_version) { _minor_version = minor_version; }
a61af66fc99e Initial load duke parents: diff changeset	617 u2 major_version() const { return _major_version; }
a61af66fc99e Initial load duke parents: diff changeset	618 void set_major_version(u2 major_version) { _major_version = major_version; }
a61af66fc99e Initial load duke parents: diff changeset	619
a61af66fc99e Initial load duke parents: diff changeset	620 // source debug extension
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	621 char* source_debug_extension() const { return _source_debug_extension; }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	622 void set_source_debug_extension(char* array, int length);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	623
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	624 // symbol unloading support (refcount already added)
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	625 Symbol* array_name() { return _array_name; }
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	626 void set_array_name(Symbol* name) { assert(_array_name == NULL \|\| name == NULL, "name already created"); _array_name = name; }
0 a61af66fc99e Initial load duke parents: diff changeset	627
a61af66fc99e Initial load duke parents: diff changeset	628 // nonstatic oop-map blocks
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	629 static int nonstatic_oop_map_size(unsigned int oop_map_count) {
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	630 return oop_map_count * OopMapBlock::size_in_words();
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	631 }
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	632 unsigned int nonstatic_oop_map_count() const {
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	633 return _nonstatic_oop_map_size / OopMapBlock::size_in_words();
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	634 }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	635 int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	636 void set_nonstatic_oop_map_size(int words) {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	637 _nonstatic_oop_map_size = words;
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	638 }
0 a61af66fc99e Initial load duke parents: diff changeset	639
a61af66fc99e Initial load duke parents: diff changeset	640 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	641 void add_previous_version(instanceKlassHandle ikh, BitMap *emcp_methods,
a61af66fc99e Initial load duke parents: diff changeset	642 int emcp_method_count);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	643 // If the _previous_versions array is non-NULL, then this klass
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	644 // has been redefined at least once even if we aren't currently
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	645 // tracking a previous version.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	646 bool has_been_redefined() const { return _previous_versions != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	647 bool has_previous_version() const;
a61af66fc99e Initial load duke parents: diff changeset	648 void init_previous_versions() {
a61af66fc99e Initial load duke parents: diff changeset	649 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	650 }
a61af66fc99e Initial load duke parents: diff changeset	651 GrowableArray<PreviousVersionNode > previous_versions() const {
a61af66fc99e Initial load duke parents: diff changeset	652 return _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	653 }
a61af66fc99e Initial load duke parents: diff changeset	654
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	655 static void purge_previous_versions(InstanceKlass* ik);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	656
0 a61af66fc99e Initial load duke parents: diff changeset	657 // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	658 void set_cached_class_file(JvmtiCachedClassFileData *data) {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	659 _cached_class_file = data;
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	660 }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	661 JvmtiCachedClassFileData * get_cached_class_file() { return _cached_class_file; }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	662 jint get_cached_class_file_len();
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	663 unsigned char * get_cached_class_file_bytes();
0 a61af66fc99e Initial load duke parents: diff changeset	664
a61af66fc99e Initial load duke parents: diff changeset	665 // JVMTI: Support for caching of field indices, types, and offsets
a61af66fc99e Initial load duke parents: diff changeset	666 void set_jvmti_cached_class_field_map(JvmtiCachedClassFieldMap* descriptor) {
a61af66fc99e Initial load duke parents: diff changeset	667 _jvmti_cached_class_field_map = descriptor;
a61af66fc99e Initial load duke parents: diff changeset	668 }
a61af66fc99e Initial load duke parents: diff changeset	669 JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const {
a61af66fc99e Initial load duke parents: diff changeset	670 return _jvmti_cached_class_field_map;
a61af66fc99e Initial load duke parents: diff changeset	671 }
a61af66fc99e Initial load duke parents: diff changeset	672
7593 337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	673 bool has_default_methods() const {
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	674 return (_misc_flags & _misc_has_default_methods) != 0;
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	675 }
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	676 void set_has_default_methods(bool b) {
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	677 if (b) {
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	678 _misc_flags \|= _misc_has_default_methods;
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	679 } else {
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	680 _misc_flags &= ~_misc_has_default_methods;
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	681 }
337e1dd9d902 8005895: Inefficient InstanceKlass field packing wasts memory. jiangli parents: 7465 diff changeset	682 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	683
20576 90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	684 bool declares_default_methods() const {
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	685 return (_misc_flags & _misc_declares_default_methods) != 0;
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	686 }
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	687 void set_declares_default_methods(bool b) {
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	688 if (b) {
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	689 _misc_flags \|= _misc_declares_default_methods;
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	690 } else {
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	691 _misc_flags &= ~_misc_declares_default_methods;
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	692 }
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	693 }
90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	694
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	695 // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available
0 a61af66fc99e Initial load duke parents: diff changeset	696 inline u2 next_method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	697 void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; }
a61af66fc99e Initial load duke parents: diff changeset	698
a61af66fc99e Initial load duke parents: diff changeset	699 // generics support
12067 e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	700 Symbol* generic_signature() const {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	701 return (_generic_signature_index == 0) ?
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	702 (Symbol*)NULL : _constants->symbol_at(_generic_signature_index);
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	703 }
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	704 u2 generic_signature_index() const {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	705 return _generic_signature_index;
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	706 }
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	707 void set_generic_signature_index(u2 sig_index) {
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	708 _generic_signature_index = sig_index;
e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	709 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	710
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	711 u2 enclosing_method_data(int offset);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	712 u2 enclosing_method_class_index() {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	713 return enclosing_method_data(enclosing_method_class_index_offset);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	714 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	715 u2 enclosing_method_method_index() {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	716 return enclosing_method_data(enclosing_method_method_index_offset);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	717 }
0 a61af66fc99e Initial load duke parents: diff changeset	718 void set_enclosing_method_indices(u2 class_index,
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	719 u2 method_index);
0 a61af66fc99e Initial load duke parents: diff changeset	720
a61af66fc99e Initial load duke parents: diff changeset	721 // jmethodID support
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	722 static jmethodID get_jmethod_id(instanceKlassHandle ik_h,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	723 methodHandle method_h);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	724 static jmethodID get_jmethod_id_fetch_or_update(instanceKlassHandle ik_h,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	725 size_t idnum, jmethodID new_id, jmethodID* new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	726 jmethodID* to_dealloc_id_p,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	727 jmethodID** to_dealloc_jmeths_p);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	728 static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	729 size_t length_p, jmethodID id_p);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	730 jmethodID jmethod_id_or_null(Method* method);
0 a61af66fc99e Initial load duke parents: diff changeset	731
a61af66fc99e Initial load duke parents: diff changeset	732 // annotations support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	733 Annotations* annotations() const { return _annotations; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	734 void set_annotations(Annotations* anno) { _annotations = anno; }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	735
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	736 AnnotationArray* class_annotations() const {
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	737 return (_annotations != NULL) ? _annotations->class_annotations() : NULL;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	738 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	739 Array<AnnotationArray> fields_annotations() const {
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	740 return (_annotations != NULL) ? _annotations->fields_annotations() : NULL;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	741 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	742 AnnotationArray* class_type_annotations() const {
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	743 return (_annotations != NULL) ? _annotations->class_type_annotations() : NULL;
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7409 diff changeset	744 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	745 Array<AnnotationArray> fields_type_annotations() const {
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	746 return (_annotations != NULL) ? _annotations->fields_type_annotations() : NULL;
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	747 }
0 a61af66fc99e Initial load duke parents: diff changeset	748 // allocation
a61af66fc99e Initial load duke parents: diff changeset	749 instanceOop allocate_instance(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	750
a61af66fc99e Initial load duke parents: diff changeset	751 // additional member function to return a handle
a61af66fc99e Initial load duke parents: diff changeset	752 instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); }
a61af66fc99e Initial load duke parents: diff changeset	753
a61af66fc99e Initial load duke parents: diff changeset	754 objArrayOop allocate_objArray(int n, int length, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	755 // Helper function
a61af66fc99e Initial load duke parents: diff changeset	756 static instanceOop register_finalizer(instanceOop i, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	757
a61af66fc99e Initial load duke parents: diff changeset	758 // Check whether reflection/jni/jvm code is allowed to instantiate this class;
a61af66fc99e Initial load duke parents: diff changeset	759 // if not, throw either an Error or an Exception.
a61af66fc99e Initial load duke parents: diff changeset	760 virtual void check_valid_for_instantiation(bool throwError, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	761
a61af66fc99e Initial load duke parents: diff changeset	762 // initialization
a61af66fc99e Initial load duke parents: diff changeset	763 void call_class_initializer(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	764 void set_initialization_state_and_notify(ClassState state, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	765
a61af66fc99e Initial load duke parents: diff changeset	766 // OopMapCache support
a61af66fc99e Initial load duke parents: diff changeset	767 OopMapCache* oop_map_cache() { return _oop_map_cache; }
a61af66fc99e Initial load duke parents: diff changeset	768 void set_oop_map_cache(OopMapCache *cache) { _oop_map_cache = cache; }
a61af66fc99e Initial load duke parents: diff changeset	769 void mask_for(methodHandle method, int bci, InterpreterOopMap* entry);
a61af66fc99e Initial load duke parents: diff changeset	770
a61af66fc99e Initial load duke parents: diff changeset	771 // JNI identifier support (for static fields - for jni performance)
a61af66fc99e Initial load duke parents: diff changeset	772 JNIid* jni_ids() { return _jni_ids; }
a61af66fc99e Initial load duke parents: diff changeset	773 void set_jni_ids(JNIid* ids) { _jni_ids = ids; }
a61af66fc99e Initial load duke parents: diff changeset	774 JNIid* jni_id_for(int offset);
a61af66fc99e Initial load duke parents: diff changeset	775
a61af66fc99e Initial load duke parents: diff changeset	776 // maintenance of deoptimization dependencies
a61af66fc99e Initial load duke parents: diff changeset	777 int mark_dependent_nmethods(DepChange& changes);
a61af66fc99e Initial load duke parents: diff changeset	778 void add_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	779 void remove_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	780
a61af66fc99e Initial load duke parents: diff changeset	781 // On-stack replacement support
a61af66fc99e Initial load duke parents: diff changeset	782 nmethod* osr_nmethods_head() const { return _osr_nmethods_head; };
a61af66fc99e Initial load duke parents: diff changeset	783 void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; };
a61af66fc99e Initial load duke parents: diff changeset	784 void add_osr_nmethod(nmethod* n);
a61af66fc99e Initial load duke parents: diff changeset	785 void remove_osr_nmethod(nmethod* n);
20611 3c87c13918fb 8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method thartmann parents: 20576 diff changeset	786 int mark_osr_nmethods(const Method* m);
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 10152 diff changeset	787 nmethod* lookup_osr_nmethod(const Method* m, int bci, int level, bool match_level) const;
0 a61af66fc99e Initial load duke parents: diff changeset	788
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	789 // Breakpoint support (see methods on Method* for details)
0 a61af66fc99e Initial load duke parents: diff changeset	790 BreakpointInfo* breakpoints() const { return _breakpoints; };
a61af66fc99e Initial load duke parents: diff changeset	791 void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
a61af66fc99e Initial load duke parents: diff changeset	792
a61af66fc99e Initial load duke parents: diff changeset	793 // support for stub routines
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	794 static ByteSize init_state_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_state)); }
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5998 diff changeset	795 TRACE_DEFINE_OFFSET;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	796 static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
0 a61af66fc99e Initial load duke parents: diff changeset	797
a61af66fc99e Initial load duke parents: diff changeset	798 // subclass/subinterface checks
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	799 bool implements_interface(Klass* k) const;
13401 22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface hseigel parents: 12946 diff changeset	800 bool is_same_or_direct_interface(Klass* k) const;
0 a61af66fc99e Initial load duke parents: diff changeset	801
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	802 // Access to the implementor of an interface.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	803 Klass* implementor() const
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	804 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	805 Klass** k = adr_implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	806 if (k == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	807 return NULL;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	808 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	809 return *k;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	810 }
0 a61af66fc99e Initial load duke parents: diff changeset	811 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	812
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	813 void set_implementor(Klass* k) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	814 assert(is_interface(), "not interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	815 Klass** addr = adr_implementor();
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	816 assert(addr != NULL, "null addr");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	817 if (addr != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	818 *addr = k;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	819 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	820 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	821
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	822 int nof_implementors() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	823 Klass* k = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	824 if (k == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	825 return 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	826 } else if (k != this) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	827 return 1;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	828 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	829 return 2;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	830 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	831 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	832
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	833 void add_implementor(Klass* k); // k is a new class that implements this interface
0 a61af66fc99e Initial load duke parents: diff changeset	834 void init_implementor(); // initialize
a61af66fc99e Initial load duke parents: diff changeset	835
a61af66fc99e Initial load duke parents: diff changeset	836 // link this class into the implementors list of every interface it implements
a61af66fc99e Initial load duke parents: diff changeset	837 void process_interfaces(Thread *thread);
a61af66fc99e Initial load duke parents: diff changeset	838
a61af66fc99e Initial load duke parents: diff changeset	839 // virtual operations from Klass
a61af66fc99e Initial load duke parents: diff changeset	840 bool is_leaf_class() const { return _subklass == NULL; }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	841 GrowableArray<Klass> compute_secondary_supers(int num_extra_slots);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	842 bool compute_is_subtype_of(Klass* k);
0 a61af66fc99e Initial load duke parents: diff changeset	843 bool can_be_primary_super_slow() const;
a61af66fc99e Initial load duke parents: diff changeset	844 int oop_size(oop obj) const { return size_helper(); }
a61af66fc99e Initial load duke parents: diff changeset	845 bool oop_is_instance_slow() const { return true; }
a61af66fc99e Initial load duke parents: diff changeset	846
a61af66fc99e Initial load duke parents: diff changeset	847 // Iterators
a61af66fc99e Initial load duke parents: diff changeset	848 void do_local_static_fields(FieldClosure* cl);
a61af66fc99e Initial load duke parents: diff changeset	849 void do_nonstatic_fields(FieldClosure* cl); // including inherited fields
17883 9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure, KlassClosure, bool) coleenp parents: 17728 diff changeset	850 void do_local_static_fields(void f(fieldDescriptor*, Handle, TRAPS), Handle, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	851
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	852 void methods_do(void f(Method* method));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	853 void array_klasses_do(void f(Klass* k));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	854 void array_klasses_do(void f(Klass* k, TRAPS), TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	855 bool super_types_do(SuperTypeClosure* blk);
a61af66fc99e Initial load duke parents: diff changeset	856
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	857 // Casting from Klass*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	858 static InstanceKlass* cast(Klass* k) {
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	859 assert(k->is_klass(), "must be");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	860 assert(k->oop_is_instance(), "cast to InstanceKlass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	861 return (InstanceKlass*) k;
0 a61af66fc99e Initial load duke parents: diff changeset	862 }
a61af66fc99e Initial load duke parents: diff changeset	863
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	864 InstanceKlass* java_super() const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	865 return (super() == NULL) ? NULL : cast(super());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	866 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	867
0 a61af66fc99e Initial load duke parents: diff changeset	868 // Sizing (in words)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	869 static int header_size() { return align_object_offset(sizeof(InstanceKlass)/HeapWordSize); }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	870
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	871 static int size(int vtable_length, int itable_length,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	872 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	873 bool is_interface, bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	874 return align_object_size(header_size() +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	875 align_object_offset(vtable_length) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	876 align_object_offset(itable_length) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	877 ((is_interface \|\| is_anonymous) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	878 align_object_offset(nonstatic_oop_map_size) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	879 nonstatic_oop_map_size) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	880 (is_interface ? (int)sizeof(Klass*)/HeapWordSize : 0) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	881 (is_anonymous ? (int)sizeof(Klass*)/HeapWordSize : 0));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	882 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	883 int size() const { return size(vtable_length(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	884 itable_length(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	885 nonstatic_oop_map_size(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	886 is_interface(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	887 is_anonymous());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	888 }
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7596 diff changeset	889 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7596 diff changeset	890 virtual void collect_statistics(KlassSizeStats *sz) const;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7596 diff changeset	891 #endif
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	892
0 a61af66fc99e Initial load duke parents: diff changeset	893 static int vtable_start_offset() { return header_size(); }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	894 static int vtable_length_offset() { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; }
0 a61af66fc99e Initial load duke parents: diff changeset	895
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	896 intptr_t* start_of_vtable() const { return ((intptr_t*)this) + vtable_start_offset(); }
0 a61af66fc99e Initial load duke parents: diff changeset	897 intptr_t* start_of_itable() const { return start_of_vtable() + align_object_offset(vtable_length()); }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	898 int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
0 a61af66fc99e Initial load duke parents: diff changeset	899
a61af66fc99e Initial load duke parents: diff changeset	900 intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); }
a61af66fc99e Initial load duke parents: diff changeset	901
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	902 address static_field_addr(int offset);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	903
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	904 OopMapBlock* start_of_nonstatic_oop_maps() const {
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	905 return (OopMapBlock*)(start_of_itable() + align_object_offset(itable_length()));
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	906 }
0 a61af66fc99e Initial load duke parents: diff changeset	907
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	908 Klass** end_of_nonstatic_oop_maps() const {
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	909 return (Klass**)(start_of_nonstatic_oop_maps() +
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	910 nonstatic_oop_map_count());
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	911 }
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	912
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	913 Klass** adr_implementor() const {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	914 if (is_interface()) {
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	915 return (Klass**)end_of_nonstatic_oop_maps();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	916 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	917 return NULL;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	918 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	919 };
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	920
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	921 Klass** adr_host_klass() const {
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	922 if (is_anonymous()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	923 Klass** adr_impl = adr_implementor();
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	924 if (adr_impl != NULL) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	925 return adr_impl + 1;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	926 } else {
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	927 return end_of_nonstatic_oop_maps();
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	928 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	929 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	930 return NULL;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	931 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	932 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	933
0 a61af66fc99e Initial load duke parents: diff changeset	934 // Use this to return the size of an instance in heap words:
a61af66fc99e Initial load duke parents: diff changeset	935 int size_helper() const {
a61af66fc99e Initial load duke parents: diff changeset	936 return layout_helper_to_size_helper(layout_helper());
a61af66fc99e Initial load duke parents: diff changeset	937 }
a61af66fc99e Initial load duke parents: diff changeset	938
a61af66fc99e Initial load duke parents: diff changeset	939 // This bit is initialized in classFileParser.cpp.
a61af66fc99e Initial load duke parents: diff changeset	940 // It is false under any of the following conditions:
a61af66fc99e Initial load duke parents: diff changeset	941 // - the class is abstract (including any interface)
a61af66fc99e Initial load duke parents: diff changeset	942 // - the class has a finalizer (if !RegisterFinalizersAtInit)
a61af66fc99e Initial load duke parents: diff changeset	943 // - the class size is larger than FastAllocateSizeLimit
a61af66fc99e Initial load duke parents: diff changeset	944 // - the class is java/lang/Class, which cannot be allocated directly
a61af66fc99e Initial load duke parents: diff changeset	945 bool can_be_fastpath_allocated() const {
a61af66fc99e Initial load duke parents: diff changeset	946 return !layout_helper_needs_slow_path(layout_helper());
a61af66fc99e Initial load duke parents: diff changeset	947 }
a61af66fc99e Initial load duke parents: diff changeset	948
a61af66fc99e Initial load duke parents: diff changeset	949 // Java vtable/itable
a61af66fc99e Initial load duke parents: diff changeset	950 klassVtable* vtable() const; // return new klassVtable wrapper
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	951 inline Method* method_at_vtable(int index);
0 a61af66fc99e Initial load duke parents: diff changeset	952 klassItable* itable() const; // return new klassItable wrapper
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	953 Method* method_at_itable(Klass* holder, int index, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	954
12823 ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	955 #if INCLUDE_JVMTI
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	956 void adjust_default_methods(Method old_methods, Method new_methods,
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	957 int methods_length, bool* trace_name_printed);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	958 #endif // INCLUDE_JVMTI
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints. acorn parents: 12811 diff changeset	959
0 a61af66fc99e Initial load duke parents: diff changeset	960 // Garbage collection
a61af66fc99e Initial load duke parents: diff changeset	961 void oop_follow_contents(oop obj);
a61af66fc99e Initial load duke parents: diff changeset	962 int oop_adjust_pointers(oop obj);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	963
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	964 void clean_implementors_list(BoolObjectClosure* is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	965 void clean_method_data(BoolObjectClosure* is_alive);
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	966 void clean_dependent_nmethods();
0 a61af66fc99e Initial load duke parents: diff changeset	967
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	968 // Explicit metaspace deallocation of fields
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	969 // For RedefineClasses and class file parsing errors, we need to deallocate
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	970 // instanceKlasses and the metadata they point to.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	971 void deallocate_contents(ClassLoaderData* loader_data);
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	972 static void deallocate_methods(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	973 Array<Method> methods);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	974 void static deallocate_interfaces(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	975 Klass* super_klass,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	976 Array<Klass> local_interfaces,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	977 Array<Klass> transitive_interfaces);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	978
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	979 // The constant pool is on stack if any of the methods are executing or
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	980 // referenced by handles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	981 bool on_stack() const { return _constants->on_stack(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	982
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	983 // callbacks for actions during class unloading
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	984 static void notify_unload_class(InstanceKlass* ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	985 static void release_C_heap_structures(InstanceKlass* ik);
0 a61af66fc99e Initial load duke parents: diff changeset	986
a61af66fc99e Initial load duke parents: diff changeset	987 // Parallel Scavenge and Parallel Old
a61af66fc99e Initial load duke parents: diff changeset	988 PARALLEL_GC_DECLS
a61af66fc99e Initial load duke parents: diff changeset	989
a61af66fc99e Initial load duke parents: diff changeset	990 // Naming
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 977 diff changeset	991 const char* signature_name() const;
0 a61af66fc99e Initial load duke parents: diff changeset	992
a61af66fc99e Initial load duke parents: diff changeset	993 // Iterators
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	994 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
0 a61af66fc99e Initial load duke parents: diff changeset	995 return oop_oop_iterate_v(obj, blk);
a61af66fc99e Initial load duke parents: diff changeset	996 }
a61af66fc99e Initial load duke parents: diff changeset	997
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	998 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
0 a61af66fc99e Initial load duke parents: diff changeset	999 return oop_oop_iterate_v_m(obj, blk, mr);
a61af66fc99e Initial load duke parents: diff changeset	1000 }
a61af66fc99e Initial load duke parents: diff changeset	1001
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1002 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1003 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1004 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, \
0 a61af66fc99e Initial load duke parents: diff changeset	1005 MemRegion mr);
a61af66fc99e Initial load duke parents: diff changeset	1006
a61af66fc99e Initial load duke parents: diff changeset	1007 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DECL)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1008 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DECL)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1009
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7596 diff changeset	1010 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1011 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1012 int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1013
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1014 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	1015 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7596 diff changeset	1016 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	1017
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1018 u2 idnum_allocated_count() const { return _idnum_allocated_count; }
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	1019
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1020 public:
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1021 void set_in_error_state() {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1022 assert(DumpSharedSpaces, "only call this when dumping archive");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1023 _init_state = initialization_error;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1024 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1025 bool check_sharing_error_state();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1026
0 a61af66fc99e Initial load duke parents: diff changeset	1027 private:
a61af66fc99e Initial load duke parents: diff changeset	1028 // initialization state
a61af66fc99e Initial load duke parents: diff changeset	1029 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1030 void set_init_state(ClassState state);
a61af66fc99e Initial load duke parents: diff changeset	1031 #else
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	1032 void set_init_state(ClassState state) { _init_state = (u1)state; }
0 a61af66fc99e Initial load duke parents: diff changeset	1033 #endif
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	1034 void set_rewritten() { _misc_flags \|= _misc_rewritten; }
0 a61af66fc99e Initial load duke parents: diff changeset	1035 void set_init_thread(Thread *thread) { _init_thread = thread; }
a61af66fc99e Initial load duke parents: diff changeset	1036
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	1037 // The RedefineClasses() API can cause new method idnums to be needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	1038 // which will cause the caches to grow. Safety requires different
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	1039 // cache management logic if the caches can grow instead of just
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	1040 // going from NULL to non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	1041 bool idnum_can_increment() const { return has_been_redefined(); }
0 a61af66fc99e Initial load duke parents: diff changeset	1042 jmethodID* methods_jmethod_ids_acquire() const
a61af66fc99e Initial load duke parents: diff changeset	1043 { return (jmethodID*)OrderAccess::load_ptr_acquire(&_methods_jmethod_ids); }
a61af66fc99e Initial load duke parents: diff changeset	1044 void release_set_methods_jmethod_ids(jmethodID* jmeths)
a61af66fc99e Initial load duke parents: diff changeset	1045 { OrderAccess::release_store_ptr(&_methods_jmethod_ids, jmeths); }
a61af66fc99e Initial load duke parents: diff changeset	1046
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1047 // Lock during initialization
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	1048 public:
10343 6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	1049 // Lock for (1) initialization; (2) access to the ConstantPool of this class.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	1050 // Must be one per class and it has to be a VM internal object so java code
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	1051 // cannot lock it (like the mirror).
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	1052 // It has to be an object not a Mutex because it's held through java calls.
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12287 diff changeset	1053 oop init_lock() const;
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	1054 private:
12946 b8860472c377 8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread iklam parents: 12823 diff changeset	1055 void fence_and_clear_init_lock();
0 a61af66fc99e Initial load duke parents: diff changeset	1056
a61af66fc99e Initial load duke parents: diff changeset	1057 // Static methods that are used to implement member methods where an exposed this pointer
a61af66fc99e Initial load duke parents: diff changeset	1058 // is needed due to possible GCs
a61af66fc99e Initial load duke parents: diff changeset	1059 static bool link_class_impl (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	1060 static bool verify_code (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	1061 static void initialize_impl (instanceKlassHandle this_oop, TRAPS);
20576 90257dfad6e3 8043275: 8u40 backport: Fix interface initialization for default methods. acorn parents: 20375 diff changeset	1062 static void initialize_super_interfaces (instanceKlassHandle this_oop, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	1063 static void eager_initialize_impl (instanceKlassHandle this_oop);
a61af66fc99e Initial load duke parents: diff changeset	1064 static void set_initialization_state_and_notify_impl (instanceKlassHandle this_oop, ClassState state, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	1065 static void call_class_initializer_impl (instanceKlassHandle this_oop, TRAPS);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1066 static Klass* array_klass_impl (instanceKlassHandle this_oop, bool or_null, int n, TRAPS);
17883 9428a0b94204 8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure, KlassClosure, bool) coleenp parents: 17728 diff changeset	1067 static void do_local_static_fields_impl (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, Handle, TRAPS), Handle, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	1068 /* jni_id_for_impl for jfieldID only */
a61af66fc99e Initial load duke parents: diff changeset	1069 static JNIid* jni_id_for_impl (instanceKlassHandle this_oop, int offset);
a61af66fc99e Initial load duke parents: diff changeset	1070
a61af66fc99e Initial load duke parents: diff changeset	1071 // Returns the array class for the n'th dimension
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1072 Klass* array_klass_impl(bool or_null, int n, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	1073
a61af66fc99e Initial load duke parents: diff changeset	1074 // Returns the array class with this class as element type
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1075 Klass* array_klass_impl(bool or_null, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	1076
17889 386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	1077 // find a local method (returns NULL if not found)
386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	1078 Method* find_method_impl(Symbol* name, Symbol* signature, bool skipping_overpass) const;
386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	1079 static Method* find_method_impl(Array<Method> methods, Symbol* name, Symbol* signature, bool skipping_overpass);
386dd1c71858 8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults. lfoltan parents: 17883 diff changeset	1080
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	1081 // Free CHeap allocated fields.
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	1082 void release_C_heap_structures();
0 a61af66fc99e Initial load duke parents: diff changeset	1083 public:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1084 // CDS support - remove and restore oops from metadata. Oops are not shared.
0 a61af66fc99e Initial load duke parents: diff changeset	1085 virtual void remove_unshareable_info();
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 20278 diff changeset	1086 virtual void restore_unshareable_info(ClassLoaderData* loader_data, Handle protection_domain, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	1087
a61af66fc99e Initial load duke parents: diff changeset	1088 // jvm support
a61af66fc99e Initial load duke parents: diff changeset	1089 jint compute_modifier_flags(TRAPS) const;
a61af66fc99e Initial load duke parents: diff changeset	1090
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	1091 // JSR-292 support
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	1092 MemberNameTable* member_names() { return _member_names; }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	1093 void set_member_names(MemberNameTable* member_names) { _member_names = member_names; }
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	1094 void add_member_name(int index, Handle member_name);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	1095 oop get_member_name(int index);
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 8719 diff changeset	1096
0 a61af66fc99e Initial load duke parents: diff changeset	1097 public:
a61af66fc99e Initial load duke parents: diff changeset	1098 // JVMTI support
a61af66fc99e Initial load duke parents: diff changeset	1099 jint jvmti_class_status() const;
a61af66fc99e Initial load duke parents: diff changeset	1100
a61af66fc99e Initial load duke parents: diff changeset	1101 public:
a61af66fc99e Initial load duke parents: diff changeset	1102 // Printing
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1103 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1104 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1105 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1106 void print_value_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1107
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1126 diff changeset	1108 void oop_print_value_on(oop obj, outputStream* st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1109
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1126 diff changeset	1110 #ifndef PRODUCT
0 a61af66fc99e Initial load duke parents: diff changeset	1111 void oop_print_on (oop obj, outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	1112
a61af66fc99e Initial load duke parents: diff changeset	1113 void print_dependent_nmethods(bool verbose = false);
a61af66fc99e Initial load duke parents: diff changeset	1114 bool is_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	1115 #endif
a61af66fc99e Initial load duke parents: diff changeset	1116
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1117 const char* internal_name() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1118
0 a61af66fc99e Initial load duke parents: diff changeset	1119 // Verification
17674 85318d1fe8fe 8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on coleenp parents: 17464 diff changeset	1120 void verify_on(outputStream* st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1121
0 a61af66fc99e Initial load duke parents: diff changeset	1122 void oop_verify_on(oop obj, outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	1123 };
a61af66fc99e Initial load duke parents: diff changeset	1124
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1125 inline Method* InstanceKlass::method_at_vtable(int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	1126 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1127 assert(index >= 0, "valid vtable index");
a61af66fc99e Initial load duke parents: diff changeset	1128 if (DebugVtables) {
a61af66fc99e Initial load duke parents: diff changeset	1129 verify_vtable_index(index);
a61af66fc99e Initial load duke parents: diff changeset	1130 }
a61af66fc99e Initial load duke parents: diff changeset	1131 #endif
a61af66fc99e Initial load duke parents: diff changeset	1132 vtableEntry* ve = (vtableEntry*)start_of_vtable();
a61af66fc99e Initial load duke parents: diff changeset	1133 return ve[index].method();
a61af66fc99e Initial load duke parents: diff changeset	1134 }
a61af66fc99e Initial load duke parents: diff changeset	1135
a61af66fc99e Initial load duke parents: diff changeset	1136 // for adding methods
a61af66fc99e Initial load duke parents: diff changeset	1137 // UNSET_IDNUM return means no more ids available
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1138 inline u2 InstanceKlass::next_method_idnum() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1139 if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1140 return ConstMethod::UNSET_IDNUM; // no more ids available
0 a61af66fc99e Initial load duke parents: diff changeset	1141 } else {
a61af66fc99e Initial load duke parents: diff changeset	1142 return _idnum_allocated_count++;
a61af66fc99e Initial load duke parents: diff changeset	1143 }
a61af66fc99e Initial load duke parents: diff changeset	1144 }
a61af66fc99e Initial load duke parents: diff changeset	1145
a61af66fc99e Initial load duke parents: diff changeset	1146
a61af66fc99e Initial load duke parents: diff changeset	1147 /* JNIid class for jfieldIDs only */
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1148 class JNIid: public CHeapObj<mtClass> {
0 a61af66fc99e Initial load duke parents: diff changeset	1149 friend class VMStructs;
a61af66fc99e Initial load duke parents: diff changeset	1150 private:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1151 Klass* _holder;
0 a61af66fc99e Initial load duke parents: diff changeset	1152 JNIid* _next;
a61af66fc99e Initial load duke parents: diff changeset	1153 int _offset;
a61af66fc99e Initial load duke parents: diff changeset	1154 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1155 bool _is_static_field_id;
a61af66fc99e Initial load duke parents: diff changeset	1156 #endif
a61af66fc99e Initial load duke parents: diff changeset	1157
a61af66fc99e Initial load duke parents: diff changeset	1158 public:
a61af66fc99e Initial load duke parents: diff changeset	1159 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1160 Klass* holder() const { return _holder; }
0 a61af66fc99e Initial load duke parents: diff changeset	1161 int offset() const { return _offset; }
a61af66fc99e Initial load duke parents: diff changeset	1162 JNIid* next() { return _next; }
a61af66fc99e Initial load duke parents: diff changeset	1163 // Constructor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1164 JNIid(Klass* holder, int offset, JNIid* next);
0 a61af66fc99e Initial load duke parents: diff changeset	1165 // Identifier lookup
a61af66fc99e Initial load duke parents: diff changeset	1166 JNIid* find(int offset);
a61af66fc99e Initial load duke parents: diff changeset	1167
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1168 bool find_local_field(fieldDescriptor* fd) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1169 return InstanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1170 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1171
0 a61af66fc99e Initial load duke parents: diff changeset	1172 static void deallocate(JNIid* id);
a61af66fc99e Initial load duke parents: diff changeset	1173 // Debugging
a61af66fc99e Initial load duke parents: diff changeset	1174 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1175 bool is_static_field_id() const { return _is_static_field_id; }
a61af66fc99e Initial load duke parents: diff changeset	1176 void set_is_static_field_id() { _is_static_field_id = true; }
a61af66fc99e Initial load duke parents: diff changeset	1177 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1178 void verify(Klass* holder);
0 a61af66fc99e Initial load duke parents: diff changeset	1179 };
a61af66fc99e Initial load duke parents: diff changeset	1180
a61af66fc99e Initial load duke parents: diff changeset	1181
a61af66fc99e Initial load duke parents: diff changeset	1182 // If breakpoints are more numerous than just JVMTI breakpoints,
a61af66fc99e Initial load duke parents: diff changeset	1183 // consider compressing this data structure.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1184 // It is currently a simple linked list defined in method.hpp.
0 a61af66fc99e Initial load duke parents: diff changeset	1185
a61af66fc99e Initial load duke parents: diff changeset	1186 class BreakpointInfo;
a61af66fc99e Initial load duke parents: diff changeset	1187
a61af66fc99e Initial load duke parents: diff changeset	1188
a61af66fc99e Initial load duke parents: diff changeset	1189 // A collection point for interesting information about the previous
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1190 // version(s) of an InstanceKlass. A GrowableArray of PreviousVersionNodes
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1191 // is attached to the InstanceKlass as needed. See PreviousVersionWalker below.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1192 class PreviousVersionNode : public CHeapObj<mtClass> {
0 a61af66fc99e Initial load duke parents: diff changeset	1193 private:
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1194 ConstantPool* _prev_constant_pool;
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1195
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1196 // If the previous version of the InstanceKlass doesn't have any
0 a61af66fc99e Initial load duke parents: diff changeset	1197 // EMCP methods, then _prev_EMCP_methods will be NULL. If all the
a61af66fc99e Initial load duke parents: diff changeset	1198 // EMCP methods have been collected, then _prev_EMCP_methods can
a61af66fc99e Initial load duke parents: diff changeset	1199 // have a length of zero.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1200 GrowableArray<Method> _prev_EMCP_methods;
0 a61af66fc99e Initial load duke parents: diff changeset	1201
a61af66fc99e Initial load duke parents: diff changeset	1202 public:
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1203 PreviousVersionNode(ConstantPool* prev_constant_pool,
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1204 GrowableArray<Method> prev_EMCP_methods);
0 a61af66fc99e Initial load duke parents: diff changeset	1205 ~PreviousVersionNode();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1206 ConstantPool* prev_constant_pool() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1207 return _prev_constant_pool;
a61af66fc99e Initial load duke parents: diff changeset	1208 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1209 GrowableArray<Method> prev_EMCP_methods() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1210 return _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	1211 }
a61af66fc99e Initial load duke parents: diff changeset	1212 };
a61af66fc99e Initial load duke parents: diff changeset	1213
a61af66fc99e Initial load duke parents: diff changeset	1214
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1215 // Helper object for walking previous versions.
0 a61af66fc99e Initial load duke parents: diff changeset	1216 class PreviousVersionWalker : public StackObj {
a61af66fc99e Initial load duke parents: diff changeset	1217 private:
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1218 Thread* _thread;
0 a61af66fc99e Initial load duke parents: diff changeset	1219 GrowableArray<PreviousVersionNode > _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	1220 int _current_index;
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1221
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1222 // A pointer to the current node object so we can handle the deletes.
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1223 PreviousVersionNode* _current_p;
0 a61af66fc99e Initial load duke parents: diff changeset	1224
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1225 // The constant pool handle keeps all the methods in this class from being
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1226 // deallocated from the metaspace during class unloading.
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1227 constantPoolHandle _current_constant_pool_handle;
0 a61af66fc99e Initial load duke parents: diff changeset	1228
a61af66fc99e Initial load duke parents: diff changeset	1229 public:
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1230 PreviousVersionWalker(Thread* thread, InstanceKlass *ik);
0 a61af66fc99e Initial load duke parents: diff changeset	1231
a61af66fc99e Initial load duke parents: diff changeset	1232 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	1233 // of the klass. Returns NULL if there are no more previous versions.
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	1234 PreviousVersionNode* next_previous_version();
0 a61af66fc99e Initial load duke parents: diff changeset	1235 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	1236
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1237
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1238 //
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1239 // nmethodBucket is used to record dependent nmethods for
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1240 // deoptimization. nmethod dependencies are actually <klass, method>
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1241 // pairs but we really only care about the klass part for purposes of
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1242 // finding nmethods which might need to be deoptimized. Instead of
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1243 // recording the method, a count of how many times a particular nmethod
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1244 // was recorded is kept. This ensures that any recording errors are
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1245 // noticed since an nmethod should be removed as many times are it's
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1246 // added.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1247 //
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1248 class nmethodBucket: public CHeapObj<mtClass> {
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1249 friend class VMStructs;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1250 private:
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1251 nmethod* _nmethod;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1252 int _count;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1253 nmethodBucket* _next;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1254
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1255 public:
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1256 nmethodBucket(nmethod* nmethod, nmethodBucket* next) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1257 _nmethod = nmethod;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1258 _next = next;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1259 _count = 1;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1260 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1261 int count() { return _count; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1262 int increment() { _count += 1; return _count; }
20278 2c6ef90f030a 8049421: G1 Class Unloading after completing a concurrent mark cycle stefank parents: 17889 diff changeset	1263 int decrement();
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1264 nmethodBucket* next() { return _next; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1265 void set_next(nmethodBucket* b) { _next = b; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1266 nmethod* get_nmethod() { return _nmethod; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1267 };
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1268
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1269 // An iterator that's used to access the inner classes indices in the
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1270 // InstanceKlass::_inner_classes array.
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1271 class InnerClassesIterator : public StackObj {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1272 private:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1273 Array<jushort>* _inner_classes;
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1274 int _length;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1275 int _idx;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1276 public:
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1277
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1278 InnerClassesIterator(instanceKlassHandle k) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1279 _inner_classes = k->inner_classes();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1280 if (k->inner_classes() != NULL) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1281 _length = _inner_classes->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1282 // The inner class array's length should be the multiple of
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1283 // inner_class_next_offset if it only contains the InnerClasses
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1284 // attribute data, or it should be
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1285 // n*inner_class_next_offset+enclosing_method_attribute_size
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1286 // if it also contains the EnclosingMethod data.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1287 assert((_length % InstanceKlass::inner_class_next_offset == 0 \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1288 _length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size),
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1289 "just checking");
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1290 // Remove the enclosing_method portion if exists.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1291 if (_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1292 _length -= InstanceKlass::enclosing_method_attribute_size;
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1293 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1294 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1295 _length = 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1296 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1297 _idx = 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1298 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1299
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1300 int length() const {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1301 return _length;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1302 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1303
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1304 void next() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1305 _idx += InstanceKlass::inner_class_next_offset;
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1306 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1307
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1308 bool done() const {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1309 return (_idx >= _length);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1310 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1311
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1312 u2 inner_class_info_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1313 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1314 _idx + InstanceKlass::inner_class_inner_class_info_offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1315 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1316
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1317 void set_inner_class_info_index(u2 index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1318 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1319 _idx + InstanceKlass::inner_class_inner_class_info_offset, index);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1320 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1321
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1322 u2 outer_class_info_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1323 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1324 _idx + InstanceKlass::inner_class_outer_class_info_offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1325 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1326
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1327 void set_outer_class_info_index(u2 index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1328 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1329 _idx + InstanceKlass::inner_class_outer_class_info_offset, index);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1330 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1331
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1332 u2 inner_name_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1333 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1334 _idx + InstanceKlass::inner_class_inner_name_offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1335 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1336
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1337 void set_inner_name_index(u2 index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1338 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1339 _idx + InstanceKlass::inner_class_inner_name_offset, index);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1340 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1341
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1342 u2 inner_access_flags() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1343 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1344 _idx + InstanceKlass::inner_class_access_flags_offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1345 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1346 };
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1347
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	1348 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.hpp @ 20611:3c87c13918fb