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

annotate src/share/vm/oops/instanceKlass.hpp @ 6934:4735d2c84362

7200776: Implement default methods in interfaces Summary: Add generic type analysis and default method selection algorithms Reviewed-by: coleenp, acorn

author	kamg
date	Thu, 11 Oct 2012 12:25:42 -0400
parents	da91efe96a93
children	e522a00b91aa bd7a7ce2e264

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 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"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	29 #include "oops/annotations.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	30 #include "oops/constMethod.hpp"
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	31 #include "oops/fieldInfo.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "oops/instanceOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33 #include "oops/klassVtable.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	34 #include "runtime/handles.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	35 #include "runtime/os.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	36 #include "utilities/accessFlags.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	37 #include "utilities/bitMap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	38
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	39 // An InstanceKlass is the VM level representation of a Java class.
0 a61af66fc99e Initial load duke parents: diff changeset	40 // It contains all information needed for at class at execution runtime.
a61af66fc99e Initial load duke parents: diff changeset	41
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	42 // InstanceKlass layout:
0 a61af66fc99e Initial load duke parents: diff changeset	43 // [C++ vtbl pointer ] Klass
a61af66fc99e Initial load duke parents: diff changeset	44 // [subtype cache ] Klass
a61af66fc99e Initial load duke parents: diff changeset	45 // [instance size ] Klass
a61af66fc99e Initial load duke parents: diff changeset	46 // [java mirror ] Klass
a61af66fc99e Initial load duke parents: diff changeset	47 // [super ] Klass
a61af66fc99e Initial load duke parents: diff changeset	48 // [access_flags ] Klass
a61af66fc99e Initial load duke parents: diff changeset	49 // [name ] Klass
a61af66fc99e Initial load duke parents: diff changeset	50 // [first subklass ] Klass
a61af66fc99e Initial load duke parents: diff changeset	51 // [next sibling ] Klass
a61af66fc99e Initial load duke parents: diff changeset	52 // [array klasses ]
a61af66fc99e Initial load duke parents: diff changeset	53 // [methods ]
a61af66fc99e Initial load duke parents: diff changeset	54 // [local interfaces ]
a61af66fc99e Initial load duke parents: diff changeset	55 // [transitive interfaces ]
a61af66fc99e Initial load duke parents: diff changeset	56 // [fields ]
a61af66fc99e Initial load duke parents: diff changeset	57 // [constants ]
a61af66fc99e Initial load duke parents: diff changeset	58 // [class loader ]
a61af66fc99e Initial load duke parents: diff changeset	59 // [protection domain ]
a61af66fc99e Initial load duke parents: diff changeset	60 // [signers ]
a61af66fc99e Initial load duke parents: diff changeset	61 // [source file name ]
a61af66fc99e Initial load duke parents: diff changeset	62 // [inner classes ]
a61af66fc99e Initial load duke parents: diff changeset	63 // [static field size ]
a61af66fc99e Initial load duke parents: diff changeset	64 // [nonstatic field size ]
a61af66fc99e Initial load duke parents: diff changeset	65 // [static oop fields size ]
a61af66fc99e Initial load duke parents: diff changeset	66 // [nonstatic oop maps size ]
a61af66fc99e Initial load duke parents: diff changeset	67 // [has finalize method ]
a61af66fc99e Initial load duke parents: diff changeset	68 // [deoptimization mark bit ]
a61af66fc99e Initial load duke parents: diff changeset	69 // [initialization state ]
a61af66fc99e Initial load duke parents: diff changeset	70 // [initializing thread ]
a61af66fc99e Initial load duke parents: diff changeset	71 // [Java vtable length ]
a61af66fc99e Initial load duke parents: diff changeset	72 // [oop map cache (stack maps) ]
a61af66fc99e Initial load duke parents: diff changeset	73 // [EMBEDDED Java vtable ] size in words = vtable_len
a61af66fc99e Initial load duke parents: diff changeset	74 // [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	75 // 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	76 // 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	77 // [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	78 // [EMBEDDED host klass ] only exist for an anonymous class (JSR 292 enabled)
0 a61af66fc99e Initial load duke parents: diff changeset	79
a61af66fc99e Initial load duke parents: diff changeset	80
a61af66fc99e Initial load duke parents: diff changeset	81 // forward declaration for class -- see below for definition
a61af66fc99e Initial load duke parents: diff changeset	82 class SuperTypeClosure;
a61af66fc99e Initial load duke parents: diff changeset	83 class JNIid;
a61af66fc99e Initial load duke parents: diff changeset	84 class jniIdMapBase;
a61af66fc99e Initial load duke parents: diff changeset	85 class BreakpointInfo;
a61af66fc99e Initial load duke parents: diff changeset	86 class fieldDescriptor;
a61af66fc99e Initial load duke parents: diff changeset	87 class DepChange;
a61af66fc99e Initial load duke parents: diff changeset	88 class nmethodBucket;
a61af66fc99e Initial load duke parents: diff changeset	89 class PreviousVersionNode;
a61af66fc99e Initial load duke parents: diff changeset	90 class JvmtiCachedClassFieldMap;
a61af66fc99e Initial load duke parents: diff changeset	91
a61af66fc99e Initial load duke parents: diff changeset	92 // This is used in iterators below.
a61af66fc99e Initial load duke parents: diff changeset	93 class FieldClosure: public StackObj {
a61af66fc99e Initial load duke parents: diff changeset	94 public:
a61af66fc99e Initial load duke parents: diff changeset	95 virtual void do_field(fieldDescriptor* fd) = 0;
a61af66fc99e Initial load duke parents: diff changeset	96 };
a61af66fc99e Initial load duke parents: diff changeset	97
a61af66fc99e Initial load duke parents: diff changeset	98 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	99 // Print fields.
a61af66fc99e Initial load duke parents: diff changeset	100 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields.
a61af66fc99e Initial load duke parents: diff changeset	101 class FieldPrinter: public FieldClosure {
a61af66fc99e Initial load duke parents: diff changeset	102 oop _obj;
a61af66fc99e Initial load duke parents: diff changeset	103 outputStream* _st;
a61af66fc99e Initial load duke parents: diff changeset	104 public:
a61af66fc99e Initial load duke parents: diff changeset	105 FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {}
a61af66fc99e Initial load duke parents: diff changeset	106 void do_field(fieldDescriptor* fd);
a61af66fc99e Initial load duke parents: diff changeset	107 };
a61af66fc99e Initial load duke parents: diff changeset	108 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	109
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	110 // ValueObjs embedded in klass. Describes where oops are located in instances of
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	111 // this klass.
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	112 class OopMapBlock VALUE_OBJ_CLASS_SPEC {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	113 public:
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	114 // 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	115 int offset() const { return _offset; }
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	116 void set_offset(int offset) { _offset = offset; }
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	117
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	118 // Number of oops in this block.
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	119 uint count() const { return _count; }
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	120 void set_count(uint count) { _count = count; }
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	121
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	122 // sizeof(OopMapBlock) in HeapWords.
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	123 static const int size_in_words() {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	124 return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >>
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	125 LogHeapWordSize;
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	126 }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	127
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	128 private:
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	129 int _offset;
9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	130 uint _count;
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	131 };
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	132
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	133 class InstanceKlass: public Klass {
0 a61af66fc99e Initial load duke parents: diff changeset	134 friend class VMStructs;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	135 friend class ClassFileParser;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	136
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	137 protected:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	138 // Constructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	139 InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	140 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	141 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	142 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	143 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	144 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	145 bool is_anonymous);
0 a61af66fc99e Initial load duke parents: diff changeset	146 public:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	147 static Klass* allocate_instance_klass(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	148 int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	149 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	150 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	151 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	152 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	153 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	154 Symbol* name,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	155 Klass* super_klass,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	156 KlassHandle host_klass,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	157 TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	158
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	159 InstanceKlass() { assert(DumpSharedSpaces \|\| UseSharedSpaces, "only for CDS"); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	160
0 a61af66fc99e Initial load duke parents: diff changeset	161 // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description
a61af66fc99e Initial load duke parents: diff changeset	162 // of the class loading & initialization procedure, and the use of the states.
a61af66fc99e Initial load duke parents: diff changeset	163 enum ClassState {
a61af66fc99e Initial load duke parents: diff changeset	164 allocated, // allocated (but not yet linked)
a61af66fc99e Initial load duke parents: diff changeset	165 loaded, // loaded and inserted in class hierarchy (but not linked yet)
a61af66fc99e Initial load duke parents: diff changeset	166 linked, // successfully linked/verified (but not initialized yet)
a61af66fc99e Initial load duke parents: diff changeset	167 being_initialized, // currently running class initializer
a61af66fc99e Initial load duke parents: diff changeset	168 fully_initialized, // initialized (successfull final state)
a61af66fc99e Initial load duke parents: diff changeset	169 initialization_error // error happened during initialization
a61af66fc99e Initial load duke parents: diff changeset	170 };
a61af66fc99e Initial load duke parents: diff changeset	171
a61af66fc99e Initial load duke parents: diff changeset	172 protected:
a61af66fc99e Initial load duke parents: diff changeset	173 // Protection domain.
a61af66fc99e Initial load duke parents: diff changeset	174 oop _protection_domain;
a61af66fc99e Initial load duke parents: diff changeset	175 // Class signers.
a61af66fc99e Initial load duke parents: diff changeset	176 objArrayOop _signers;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	177 // Initialization lock. Must be one per class and it has to be a VM internal
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	178 // object so java code cannot lock it (like the mirror)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	179 // It has to be an object not a Mutex because it's held through java calls.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	180 volatile oop _init_lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	181
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	182 // Annotations for this class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	183 Annotations* _annotations;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	184 // Array classes holding elements of this class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	185 Klass* _array_klasses;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	186 // Constant pool for this class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	187 ConstantPool* _constants;
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	188 // 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	189 // _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	190 // 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	191 // [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	192 // 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	193 // 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	194 // 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	195 // 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	196 // 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	197 // 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	198 // 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	199 Array<jushort>* _inner_classes;
0 a61af66fc99e Initial load duke parents: diff changeset	200
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	201 // Name of source file containing this klass, NULL if not specified.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	202 Symbol* _source_file_name;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	203 // 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	204 // 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	205 // 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	206 char* _source_debug_extension;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	207 // Generic signature, or null if none.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	208 Symbol* _generic_signature;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	209 // 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	210 // if this class is unloaded.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	211 Symbol* _array_name;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	212
165 437d03ea40b1 6703888: Compressed Oops: use the 32-bits gap after klass in a object kvn parents: 113 diff changeset	213 // 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	214 // (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	215 int _nonstatic_field_size;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	216 int _static_field_size; // number words used by static fields (oop and non-oop) in this klass
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	217 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	218 u2 _java_fields_count; // The number of declared Java fields
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	219 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	220
4772 8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	221 bool _is_marked_dependent; // used for marking during flushing and deoptimization
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	222 enum {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	223 _misc_rewritten = 1 << 0, // methods rewritten.
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	224 _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	225 _misc_should_verify_class = 1 << 2, // allow caching of preverification
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	226 _misc_is_anonymous = 1 << 3 // has embedded _inner_classes field
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	227 };
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	228 u2 _misc_flags;
0 a61af66fc99e Initial load duke parents: diff changeset	229 u2 _minor_version; // minor version number of class file
a61af66fc99e Initial load duke parents: diff changeset	230 u2 _major_version; // major version number of class file
a61af66fc99e Initial load duke parents: diff changeset	231 Thread* _init_thread; // Pointer to current thread doing initialization (to handle recusive initialization)
a61af66fc99e Initial load duke parents: diff changeset	232 int _vtable_len; // length of Java vtable (in words)
a61af66fc99e Initial load duke parents: diff changeset	233 int _itable_len; // length of Java itable (in words)
a61af66fc99e Initial load duke parents: diff changeset	234 OopMapCache* volatile _oop_map_cache; // OopMapCache for all methods in the klass (allocated lazily)
a61af66fc99e Initial load duke parents: diff changeset	235 JNIid* _jni_ids; // First JNI identifier for static fields in this class
a61af66fc99e Initial load duke parents: diff changeset	236 jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none
a61af66fc99e Initial load duke parents: diff changeset	237 int* _methods_cached_itable_indices; // itable_index cache for JNI invoke corresponding to methods idnum, or NULL
a61af66fc99e Initial load duke parents: diff changeset	238 nmethodBucket* _dependencies; // list of dependent nmethods
a61af66fc99e Initial load duke parents: diff changeset	239 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	240 BreakpointInfo* _breakpoints; // bpt lists, managed by Method*
0 a61af66fc99e Initial load duke parents: diff changeset	241 // 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	242 // InstanceKlass. See PreviousVersionWalker below.
0 a61af66fc99e Initial load duke parents: diff changeset	243 GrowableArray<PreviousVersionNode > _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	244 // JVMTI fields can be moved to their own structure - see 6315920
a61af66fc99e Initial load duke parents: diff changeset	245 unsigned char * _cached_class_file_bytes; // JVMTI: cached class file, before retransformable agent modified it in CFLH
a61af66fc99e Initial load duke parents: diff changeset	246 jint _cached_class_file_len; // JVMTI: length of above
a61af66fc99e Initial load duke parents: diff changeset	247 JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	248
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	249 // true if class, superclass, or implemented interfaces have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	250 bool _has_default_methods;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	251
0 a61af66fc99e Initial load duke parents: diff changeset	252 volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	253 // Method array.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	254 Array<Method> _methods;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	255 // 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	256 Array<Klass> _local_interfaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	257 // Interface (Klass*s) this class implements transitively.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	258 Array<Klass> _transitive_interfaces;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	259 // 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	260 Array<int>* _method_ordering;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	261 // 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	262 // [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	263 // 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	264 // 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	265 // 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	266 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	267 // 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	268 // 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	269 // ...
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	270 // 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	271 // [generic signature index]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	272 // [generic signature index]
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	273 // ...
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	274 Array<u2>* _fields;
0 a61af66fc99e Initial load duke parents: diff changeset	275
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	276 // Class states are defined as ClassState (see above).
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	277 // Place the _init_state here to utilize the unused 2-byte after
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	278 // _idnum_allocated_count.
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	279 u1 _init_state; // state of class
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	280
4899 a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	281 u1 _reference_type; // reference type
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	282
0 a61af66fc99e Initial load duke parents: diff changeset	283 // embedded Java vtable follows here
a61af66fc99e Initial load duke parents: diff changeset	284 // embedded Java itables follows here
a61af66fc99e Initial load duke parents: diff changeset	285 // embedded static fields follows here
a61af66fc99e Initial load duke parents: diff changeset	286 // 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	287 // 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	288 // 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	289 // 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	290 // three cases:
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	291 // NULL: no implementor.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	292 // A Klass* that's not itself: one implementor.
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	293 // Itsef: 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	294 // 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	295 // 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	296 // 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	297 // 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	298 // 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	299 // 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	300 // 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	301 //
0 a61af66fc99e Initial load duke parents: diff changeset	302
a61af66fc99e Initial load duke parents: diff changeset	303 friend class SystemDictionary;
a61af66fc99e Initial load duke parents: diff changeset	304
a61af66fc99e Initial load duke parents: diff changeset	305 public:
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	306 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	307 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	308 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	309 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	310 if (b) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	311 _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	312 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	313 _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	314 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	315 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	316
0 a61af66fc99e Initial load duke parents: diff changeset	317 // field sizes
a61af66fc99e Initial load duke parents: diff changeset	318 int nonstatic_field_size() const { return _nonstatic_field_size; }
a61af66fc99e Initial load duke parents: diff changeset	319 void set_nonstatic_field_size(int size) { _nonstatic_field_size = size; }
a61af66fc99e Initial load duke parents: diff changeset	320
a61af66fc99e Initial load duke parents: diff changeset	321 int static_field_size() const { return _static_field_size; }
a61af66fc99e Initial load duke parents: diff changeset	322 void set_static_field_size(int size) { _static_field_size = size; }
a61af66fc99e Initial load duke parents: diff changeset	323
4744 cd5d8cafcc84 7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type. jiangli parents: 4739 diff changeset	324 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	325 void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; }
0 a61af66fc99e Initial load duke parents: diff changeset	326
a61af66fc99e Initial load duke parents: diff changeset	327 // Java vtable
a61af66fc99e Initial load duke parents: diff changeset	328 int vtable_length() const { return _vtable_len; }
a61af66fc99e Initial load duke parents: diff changeset	329 void set_vtable_length(int len) { _vtable_len = len; }
a61af66fc99e Initial load duke parents: diff changeset	330
a61af66fc99e Initial load duke parents: diff changeset	331 // Java itable
a61af66fc99e Initial load duke parents: diff changeset	332 int itable_length() const { return _itable_len; }
a61af66fc99e Initial load duke parents: diff changeset	333 void set_itable_length(int len) { _itable_len = len; }
a61af66fc99e Initial load duke parents: diff changeset	334
a61af66fc99e Initial load duke parents: diff changeset	335 // array klasses
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	336 Klass* array_klasses() const { return _array_klasses; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	337 void set_array_klasses(Klass* k) { _array_klasses = k; }
0 a61af66fc99e Initial load duke parents: diff changeset	338
a61af66fc99e Initial load duke parents: diff changeset	339 // methods
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	340 Array<Method> methods() const { return _methods; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	341 void set_methods(Array<Method> a) { _methods = a; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	342 Method* method_with_idnum(int idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	343
a61af66fc99e Initial load duke parents: diff changeset	344 // method ordering
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	345 Array<int>* method_ordering() const { return _method_ordering; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	346 void set_method_ordering(Array<int>* m) { _method_ordering = m; }
0 a61af66fc99e Initial load duke parents: diff changeset	347
a61af66fc99e Initial load duke parents: diff changeset	348 // interfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	349 Array<Klass> local_interfaces() const { return _local_interfaces; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	350 void set_local_interfaces(Array<Klass> a) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	351 guarantee(_local_interfaces == NULL \|\| a == NULL, "Just checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	352 _local_interfaces = a; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	353 Array<Klass> transitive_interfaces() const { return _transitive_interfaces; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	354 void set_transitive_interfaces(Array<Klass> a) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	355 guarantee(_transitive_interfaces == NULL \|\| a == NULL, "Just checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	356 _transitive_interfaces = a; }
0 a61af66fc99e Initial load duke parents: diff changeset	357
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	358 private:
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	359 friend class fieldDescriptor;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	360 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	361
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	362 public:
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	363 int field_offset (int index) const { return field(index)->offset(); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	364 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	365 Symbol* field_name (int index) const { return field(index)->name(constants()); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	366 Symbol* field_signature (int index) const { return field(index)->signature(constants()); }
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	367
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	368 // 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	369 int java_fields_count() const { return (int)_java_fields_count; }
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	370
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	371 Array<u2>* fields() const { return _fields; }
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	372
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	373 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	374 guarantee(_fields == NULL \|\| f == NULL, "Just checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	375 _fields = f;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3748 diff changeset	376 _java_fields_count = java_fields_count;
0 a61af66fc99e Initial load duke parents: diff changeset	377 }
a61af66fc99e Initial load duke parents: diff changeset	378
a61af66fc99e Initial load duke parents: diff changeset	379 // inner classes
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	380 Array<u2>* inner_classes() const { return _inner_classes; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	381 void set_inner_classes(Array<u2>* f) { _inner_classes = f; }
0 a61af66fc99e Initial load duke parents: diff changeset	382
a61af66fc99e Initial load duke parents: diff changeset	383 enum InnerClassAttributeOffset {
a61af66fc99e Initial load duke parents: diff changeset	384 // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814
a61af66fc99e Initial load duke parents: diff changeset	385 inner_class_inner_class_info_offset = 0,
a61af66fc99e Initial load duke parents: diff changeset	386 inner_class_outer_class_info_offset = 1,
a61af66fc99e Initial load duke parents: diff changeset	387 inner_class_inner_name_offset = 2,
a61af66fc99e Initial load duke parents: diff changeset	388 inner_class_access_flags_offset = 3,
a61af66fc99e Initial load duke parents: diff changeset	389 inner_class_next_offset = 4
a61af66fc99e Initial load duke parents: diff changeset	390 };
a61af66fc99e Initial load duke parents: diff changeset	391
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	392 enum EnclosingMethodAttributeOffset {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	393 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	394 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	395 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	396 };
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	397
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 431 diff changeset	398 // method override check
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	399 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	400
0 a61af66fc99e Initial load duke parents: diff changeset	401 // package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	402 bool is_same_class_package(Klass* class2);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	403 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	404 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	405
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	406 // 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	407 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	408 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	409 return compute_enclosing_class_impl(self, inner_is_member, THREAD);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	410 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	411 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	412 bool* inner_is_member, TRAPS);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	413
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	414 // 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	415 bool is_same_package_member(Klass* class2, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	416 instanceKlassHandle self(THREAD, this);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	417 return is_same_package_member_impl(self, class2, THREAD);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	418 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	419 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	420 Klass* class2, TRAPS);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 431 diff changeset	421
0 a61af66fc99e Initial load duke parents: diff changeset	422 // initialization state
a61af66fc99e Initial load duke parents: diff changeset	423 bool is_loaded() const { return _init_state >= loaded; }
a61af66fc99e Initial load duke parents: diff changeset	424 bool is_linked() const { return _init_state >= linked; }
a61af66fc99e Initial load duke parents: diff changeset	425 bool is_initialized() const { return _init_state == fully_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	426 bool is_not_initialized() const { return _init_state < being_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	427 bool is_being_initialized() const { return _init_state == being_initialized; }
a61af66fc99e Initial load duke parents: diff changeset	428 bool is_in_error_state() const { return _init_state == initialization_error; }
a61af66fc99e Initial load duke parents: diff changeset	429 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	430 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	431 bool is_rewritten() const { return (_misc_flags & _misc_rewritten) != 0; }
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 726 diff changeset	432
ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 726 diff changeset	433 // 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	434 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	435 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	436 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	437 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	438 if (value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	439 _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	440 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	441 _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	442 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	443 }
0 a61af66fc99e Initial load duke parents: diff changeset	444
a61af66fc99e Initial load duke parents: diff changeset	445 // marking
4772 8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	446 bool is_marked_dependent() const { return _is_marked_dependent; }
8f8b94305aff 7129240: backout fix for 7102776 until 7128770 is resolved dcubed parents: 4771 diff changeset	447 void set_is_marked_dependent(bool value) { _is_marked_dependent = value; }
0 a61af66fc99e Initial load duke parents: diff changeset	448
a61af66fc99e Initial load duke parents: diff changeset	449 // initialization (virtuals from Klass)
a61af66fc99e Initial load duke parents: diff changeset	450 bool should_be_initialized() const; // means that initialize should be called
a61af66fc99e Initial load duke parents: diff changeset	451 void initialize(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	452 void link_class(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	453 bool link_class_or_fail(TRAPS); // returns false on failure
a61af66fc99e Initial load duke parents: diff changeset	454 void unlink_class();
a61af66fc99e Initial load duke parents: diff changeset	455 void rewrite_class(TRAPS);
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 3255 diff changeset	456 void relocate_and_link_methods(TRAPS);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	457 Method* class_initializer();
0 a61af66fc99e Initial load duke parents: diff changeset	458
a61af66fc99e Initial load duke parents: diff changeset	459 // set the class to initialized if no static initializer is present
a61af66fc99e Initial load duke parents: diff changeset	460 void eager_initialize(Thread *thread);
a61af66fc99e Initial load duke parents: diff changeset	461
a61af66fc99e Initial load duke parents: diff changeset	462 // reference type
4899 a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	463 ReferenceType reference_type() const { return (ReferenceType)_reference_type; }
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	464 void set_reference_type(ReferenceType t) {
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	465 assert(t == (u1)t, "overflow");
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	466 _reference_type = (u1)t;
a79cb7c55012 7132690: InstanceKlass:_reference_type should be u1 type jiangli parents: 4772 diff changeset	467 }
0 a61af66fc99e Initial load duke parents: diff changeset	468
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	469 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	470
0 a61af66fc99e Initial load duke parents: diff changeset	471 // find local field, returns true if found
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	472 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	473 // 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	474 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	475 // 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	476 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	477 // 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	478 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
0 a61af66fc99e Initial load duke parents: diff changeset	479
a61af66fc99e Initial load duke parents: diff changeset	480 // find a non-static or static field given its offset within the class.
a61af66fc99e Initial load duke parents: diff changeset	481 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	482 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
0 a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484
a61af66fc99e Initial load duke parents: diff changeset	485 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
a61af66fc99e Initial load duke parents: diff changeset	486 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
a61af66fc99e Initial load duke parents: diff changeset	487
a61af66fc99e Initial load duke parents: diff changeset	488 // 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	489 Method* find_method(Symbol* name, Symbol* signature) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	490 static Method* find_method(Array<Method> methods, Symbol* name, Symbol* signature);
0 a61af66fc99e Initial load duke parents: diff changeset	491
a61af66fc99e Initial load duke parents: diff changeset	492 // lookup operation (returns NULL if not found)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	493 Method* uncached_lookup_method(Symbol* name, Symbol* signature) const;
0 a61af66fc99e Initial load duke parents: diff changeset	494
a61af66fc99e Initial load duke parents: diff changeset	495 // lookup a method in all the interfaces that this class implements
a61af66fc99e Initial load duke parents: diff changeset	496 // (returns NULL if not found)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	497 Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature) const;
0 a61af66fc99e Initial load duke parents: diff changeset	498
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	499 // 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	500 // 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	501 // 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	502 // -1 is returned.
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	503 int find_method_by_name(Symbol* name, int* end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	504 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	505
0 a61af66fc99e Initial load duke parents: diff changeset	506 // constant pool
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	507 ConstantPool* constants() const { return _constants; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	508 void set_constants(ConstantPool* c) { _constants = c; }
0 a61af66fc99e Initial load duke parents: diff changeset	509
a61af66fc99e Initial load duke parents: diff changeset	510 // protection domain
a61af66fc99e Initial load duke parents: diff changeset	511 oop protection_domain() { return _protection_domain; }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	512 void set_protection_domain(oop pd) { klass_oop_store(&_protection_domain, pd); }
0 a61af66fc99e Initial load duke parents: diff changeset	513
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 356 diff changeset	514 // host class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	515 Klass* host_klass() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	516 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	517 if (hk == NULL) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	518 return NULL;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	519 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	520 return *hk;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	521 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	522 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	523 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	524 assert(is_anonymous(), "not anonymous");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	525 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	526 assert(addr != NULL, "no reversed space");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	527 *addr = host;
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	528 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	529 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	530 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	531 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	532 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	533 if (value) {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	534 _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	535 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	536 _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	537 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	538 }
431 a45484ea312d 6653858: dynamic languages need to be able to load anonymous classes jrose parents: 356 diff changeset	539
0 a61af66fc99e Initial load duke parents: diff changeset	540 // signers
a61af66fc99e Initial load duke parents: diff changeset	541 objArrayOop signers() const { return _signers; }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	542 void set_signers(objArrayOop s) { klass_oop_store((oop*)&_signers, s); }
0 a61af66fc99e Initial load duke parents: diff changeset	543
a61af66fc99e Initial load duke parents: diff changeset	544 // source file name
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	545 Symbol* source_file_name() const { return _source_file_name; }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	546 void set_source_file_name(Symbol* n);
0 a61af66fc99e Initial load duke parents: diff changeset	547
a61af66fc99e Initial load duke parents: diff changeset	548 // minor and major version numbers of class file
a61af66fc99e Initial load duke parents: diff changeset	549 u2 minor_version() const { return _minor_version; }
a61af66fc99e Initial load duke parents: diff changeset	550 void set_minor_version(u2 minor_version) { _minor_version = minor_version; }
a61af66fc99e Initial load duke parents: diff changeset	551 u2 major_version() const { return _major_version; }
a61af66fc99e Initial load duke parents: diff changeset	552 void set_major_version(u2 major_version) { _major_version = major_version; }
a61af66fc99e Initial load duke parents: diff changeset	553
a61af66fc99e Initial load duke parents: diff changeset	554 // source debug extension
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	555 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	556 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	557
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	558 // symbol unloading support (refcount already added)
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	559 Symbol* array_name() { return _array_name; }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	560 void set_array_name(Symbol* name) { assert(_array_name == NULL, "name already created"); _array_name = name; }
0 a61af66fc99e Initial load duke parents: diff changeset	561
a61af66fc99e Initial load duke parents: diff changeset	562 // nonstatic oop-map blocks
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	563 static int nonstatic_oop_map_size(unsigned int oop_map_count) {
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	564 return oop_map_count * OopMapBlock::size_in_words();
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	565 }
939 9eebd3ac74cf 6845368: large objects cause a crash or unexpected exception jcoomes parents: 938 diff changeset	566 unsigned int nonstatic_oop_map_count() const {
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	567 return _nonstatic_oop_map_size / OopMapBlock::size_in_words();
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	568 }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	569 int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; }
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	570 void set_nonstatic_oop_map_size(int words) {
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	571 _nonstatic_oop_map_size = words;
b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 726 diff changeset	572 }
0 a61af66fc99e Initial load duke parents: diff changeset	573
a61af66fc99e Initial load duke parents: diff changeset	574 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	575 void add_previous_version(instanceKlassHandle ikh, BitMap *emcp_methods,
a61af66fc99e Initial load duke parents: diff changeset	576 int emcp_method_count);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	577 // 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	578 // 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	579 // tracking a previous version.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	580 bool has_been_redefined() const { return _previous_versions != NULL; }
0 a61af66fc99e Initial load duke parents: diff changeset	581 bool has_previous_version() const;
a61af66fc99e Initial load duke parents: diff changeset	582 void init_previous_versions() {
a61af66fc99e Initial load duke parents: diff changeset	583 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	584 }
a61af66fc99e Initial load duke parents: diff changeset	585 GrowableArray<PreviousVersionNode > previous_versions() const {
a61af66fc99e Initial load duke parents: diff changeset	586 return _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	587 }
a61af66fc99e Initial load duke parents: diff changeset	588
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	589 static void purge_previous_versions(InstanceKlass* ik);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	590
0 a61af66fc99e Initial load duke parents: diff changeset	591 // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation
a61af66fc99e Initial load duke parents: diff changeset	592 void set_cached_class_file(unsigned char *class_file_bytes,
a61af66fc99e Initial load duke parents: diff changeset	593 jint class_file_len) { _cached_class_file_len = class_file_len;
a61af66fc99e Initial load duke parents: diff changeset	594 _cached_class_file_bytes = class_file_bytes; }
a61af66fc99e Initial load duke parents: diff changeset	595 jint get_cached_class_file_len() { return _cached_class_file_len; }
a61af66fc99e Initial load duke parents: diff changeset	596 unsigned char * get_cached_class_file_bytes() { return _cached_class_file_bytes; }
a61af66fc99e Initial load duke parents: diff changeset	597
a61af66fc99e Initial load duke parents: diff changeset	598 // JVMTI: Support for caching of field indices, types, and offsets
a61af66fc99e Initial load duke parents: diff changeset	599 void set_jvmti_cached_class_field_map(JvmtiCachedClassFieldMap* descriptor) {
a61af66fc99e Initial load duke parents: diff changeset	600 _jvmti_cached_class_field_map = descriptor;
a61af66fc99e Initial load duke parents: diff changeset	601 }
a61af66fc99e Initial load duke parents: diff changeset	602 JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const {
a61af66fc99e Initial load duke parents: diff changeset	603 return _jvmti_cached_class_field_map;
a61af66fc99e Initial load duke parents: diff changeset	604 }
a61af66fc99e Initial load duke parents: diff changeset	605
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	606 bool has_default_methods() const { return _has_default_methods; }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	607 void set_has_default_methods(bool b) { _has_default_methods = b; }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	608
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	609 // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available
0 a61af66fc99e Initial load duke parents: diff changeset	610 inline u2 next_method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	611 void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; }
a61af66fc99e Initial load duke parents: diff changeset	612
a61af66fc99e Initial load duke parents: diff changeset	613 // generics support
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	614 Symbol* generic_signature() const { return _generic_signature; }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	615 void set_generic_signature(Symbol* sig) { _generic_signature = sig; }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	616
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	617 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	618 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	619 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	620 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	621 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	622 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	623 }
0 a61af66fc99e Initial load duke parents: diff changeset	624 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	625 u2 method_index);
0 a61af66fc99e Initial load duke parents: diff changeset	626
a61af66fc99e Initial load duke parents: diff changeset	627 // jmethodID support
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	628 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	629 methodHandle method_h);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	630 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	631 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	632 jmethodID* to_dealloc_id_p,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	633 jmethodID** to_dealloc_jmeths_p);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	634 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	635 size_t length_p, jmethodID id_p);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	636 jmethodID jmethod_id_or_null(Method* method);
0 a61af66fc99e Initial load duke parents: diff changeset	637
a61af66fc99e Initial load duke parents: diff changeset	638 // cached itable index support
a61af66fc99e Initial load duke parents: diff changeset	639 void set_cached_itable_index(size_t idnum, int index);
a61af66fc99e Initial load duke parents: diff changeset	640 int cached_itable_index(size_t idnum);
a61af66fc99e Initial load duke parents: diff changeset	641
a61af66fc99e Initial load duke parents: diff changeset	642 // annotations support
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	643 Annotations* annotations() const { return _annotations; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	644 void set_annotations(Annotations* anno) { _annotations = anno; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	645 AnnotationArray* class_annotations() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	646 if (annotations() == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	647 return annotations()->class_annotations();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	648 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	649 Array<AnnotationArray> fields_annotations() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	650 if (annotations() == NULL) return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	651 return annotations()->fields_annotations();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	652 }
0 a61af66fc99e Initial load duke parents: diff changeset	653
a61af66fc99e Initial load duke parents: diff changeset	654 // allocation
a61af66fc99e Initial load duke parents: diff changeset	655 instanceOop allocate_instance(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	656
a61af66fc99e Initial load duke parents: diff changeset	657 // additional member function to return a handle
a61af66fc99e Initial load duke parents: diff changeset	658 instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); }
a61af66fc99e Initial load duke parents: diff changeset	659
a61af66fc99e Initial load duke parents: diff changeset	660 objArrayOop allocate_objArray(int n, int length, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	661 // Helper function
a61af66fc99e Initial load duke parents: diff changeset	662 static instanceOop register_finalizer(instanceOop i, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	663
a61af66fc99e Initial load duke parents: diff changeset	664 // Check whether reflection/jni/jvm code is allowed to instantiate this class;
a61af66fc99e Initial load duke parents: diff changeset	665 // if not, throw either an Error or an Exception.
a61af66fc99e Initial load duke parents: diff changeset	666 virtual void check_valid_for_instantiation(bool throwError, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	667
a61af66fc99e Initial load duke parents: diff changeset	668 // initialization
a61af66fc99e Initial load duke parents: diff changeset	669 void call_class_initializer(TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	670 void set_initialization_state_and_notify(ClassState state, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	671
a61af66fc99e Initial load duke parents: diff changeset	672 // OopMapCache support
a61af66fc99e Initial load duke parents: diff changeset	673 OopMapCache* oop_map_cache() { return _oop_map_cache; }
a61af66fc99e Initial load duke parents: diff changeset	674 void set_oop_map_cache(OopMapCache *cache) { _oop_map_cache = cache; }
a61af66fc99e Initial load duke parents: diff changeset	675 void mask_for(methodHandle method, int bci, InterpreterOopMap* entry);
a61af66fc99e Initial load duke parents: diff changeset	676
a61af66fc99e Initial load duke parents: diff changeset	677 // JNI identifier support (for static fields - for jni performance)
a61af66fc99e Initial load duke parents: diff changeset	678 JNIid* jni_ids() { return _jni_ids; }
a61af66fc99e Initial load duke parents: diff changeset	679 void set_jni_ids(JNIid* ids) { _jni_ids = ids; }
a61af66fc99e Initial load duke parents: diff changeset	680 JNIid* jni_id_for(int offset);
a61af66fc99e Initial load duke parents: diff changeset	681
a61af66fc99e Initial load duke parents: diff changeset	682 // maintenance of deoptimization dependencies
a61af66fc99e Initial load duke parents: diff changeset	683 int mark_dependent_nmethods(DepChange& changes);
a61af66fc99e Initial load duke parents: diff changeset	684 void add_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	685 void remove_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	686
a61af66fc99e Initial load duke parents: diff changeset	687 // On-stack replacement support
a61af66fc99e Initial load duke parents: diff changeset	688 nmethod* osr_nmethods_head() const { return _osr_nmethods_head; };
a61af66fc99e Initial load duke parents: diff changeset	689 void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; };
a61af66fc99e Initial load duke parents: diff changeset	690 void add_osr_nmethod(nmethod* n);
a61af66fc99e Initial load duke parents: diff changeset	691 void remove_osr_nmethod(nmethod* n);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	692 nmethod* lookup_osr_nmethod(Method* const m, int bci, int level, bool match_level) const;
0 a61af66fc99e Initial load duke parents: diff changeset	693
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	694 // Breakpoint support (see methods on Method* for details)
0 a61af66fc99e Initial load duke parents: diff changeset	695 BreakpointInfo* breakpoints() const { return _breakpoints; };
a61af66fc99e Initial load duke parents: diff changeset	696 void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
a61af66fc99e Initial load duke parents: diff changeset	697
a61af66fc99e Initial load duke parents: diff changeset	698 // support for stub routines
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	699 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	700 TRACE_DEFINE_OFFSET;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	701 static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
0 a61af66fc99e Initial load duke parents: diff changeset	702
a61af66fc99e Initial load duke parents: diff changeset	703 // subclass/subinterface checks
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	704 bool implements_interface(Klass* k) const;
0 a61af66fc99e Initial load duke parents: diff changeset	705
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	706 // Access to the implementor of an interface.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	707 Klass* implementor() const
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	708 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	709 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	710 if (k == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	711 return NULL;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	712 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	713 return *k;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	714 }
0 a61af66fc99e Initial load duke parents: diff changeset	715 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	716
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	717 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	718 assert(is_interface(), "not interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	719 Klass** addr = adr_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	720 *addr = k;
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	721 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	722
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	723 int nof_implementors() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	724 Klass* k = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	725 if (k == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	726 return 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	727 } 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	728 return 1;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	729 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	730 return 2;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	731 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	732 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	733
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	734 void add_implementor(Klass* k); // k is a new class that implements this interface
0 a61af66fc99e Initial load duke parents: diff changeset	735 void init_implementor(); // initialize
a61af66fc99e Initial load duke parents: diff changeset	736
a61af66fc99e Initial load duke parents: diff changeset	737 // link this class into the implementors list of every interface it implements
a61af66fc99e Initial load duke parents: diff changeset	738 void process_interfaces(Thread *thread);
a61af66fc99e Initial load duke parents: diff changeset	739
a61af66fc99e Initial load duke parents: diff changeset	740 // virtual operations from Klass
a61af66fc99e Initial load duke parents: diff changeset	741 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	742 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	743 bool compute_is_subtype_of(Klass* k);
0 a61af66fc99e Initial load duke parents: diff changeset	744 bool can_be_primary_super_slow() const;
a61af66fc99e Initial load duke parents: diff changeset	745 int oop_size(oop obj) const { return size_helper(); }
a61af66fc99e Initial load duke parents: diff changeset	746 bool oop_is_instance_slow() const { return true; }
a61af66fc99e Initial load duke parents: diff changeset	747
a61af66fc99e Initial load duke parents: diff changeset	748 // Iterators
a61af66fc99e Initial load duke parents: diff changeset	749 void do_local_static_fields(FieldClosure* cl);
a61af66fc99e Initial load duke parents: diff changeset	750 void do_nonstatic_fields(FieldClosure* cl); // including inherited fields
a61af66fc99e Initial load duke parents: diff changeset	751 void do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	752
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	753 void methods_do(void f(Method* method));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	754 void array_klasses_do(void f(Klass* k));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	755 void array_klasses_do(void f(Klass* k, TRAPS), TRAPS);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	756 void with_array_klasses_do(void f(Klass* k));
0 a61af66fc99e Initial load duke parents: diff changeset	757 bool super_types_do(SuperTypeClosure* blk);
a61af66fc99e Initial load duke parents: diff changeset	758
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	759 // Casting from Klass*
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	760 static InstanceKlass* cast(Klass* k) {
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	761 assert(k->is_klass(), "must be");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	762 assert(k->oop_is_instance(), "cast to InstanceKlass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	763 return (InstanceKlass*) k;
0 a61af66fc99e Initial load duke parents: diff changeset	764 }
a61af66fc99e Initial load duke parents: diff changeset	765
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	766 InstanceKlass* java_super() const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	767 return (super() == NULL) ? NULL : cast(super());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	768 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6725 diff changeset	769
0 a61af66fc99e Initial load duke parents: diff changeset	770 // Sizing (in words)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	771 static int header_size() { return align_object_offset(sizeof(InstanceKlass)/HeapWordSize); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	772 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	773 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	774 bool is_interface, bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	775 return align_object_size(header_size() +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	776 align_object_offset(vtable_length) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	777 align_object_offset(itable_length) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	778 ((is_interface \|\| is_anonymous) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	779 align_object_offset(nonstatic_oop_map_size) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	780 nonstatic_oop_map_size) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	781 (is_interface ? (int)sizeof(Klass*)/HeapWordSize : 0) +
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	782 (is_anonymous ? (int)sizeof(Klass*)/HeapWordSize : 0));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	783 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	784 int size() const { return size(vtable_length(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	785 itable_length(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	786 nonstatic_oop_map_size(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	787 is_interface(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	788 is_anonymous());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	789 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	790
0 a61af66fc99e Initial load duke parents: diff changeset	791 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	792 static int vtable_length_offset() { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; }
0 a61af66fc99e Initial load duke parents: diff changeset	793
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	794 intptr_t* start_of_vtable() const { return ((intptr_t*)this) + vtable_start_offset(); }
0 a61af66fc99e Initial load duke parents: diff changeset	795 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	796 int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
0 a61af66fc99e Initial load duke parents: diff changeset	797
a61af66fc99e Initial load duke parents: diff changeset	798 intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); }
a61af66fc99e Initial load duke parents: diff changeset	799
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	800 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	801
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 49 diff changeset	802 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	803 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	804 }
0 a61af66fc99e Initial load duke parents: diff changeset	805
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	806 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	807 if (is_interface()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	808 return (Klass**)(start_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	809 nonstatic_oop_map_count());
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	810 } else {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	811 return NULL;
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	812 }
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	813 };
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5967 diff changeset	814
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	815 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	816 if (is_anonymous()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	817 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	818 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	819 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	820 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	821 return (Klass**)(start_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	822 nonstatic_oop_map_count());
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	823 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	824 } else {
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	825 return NULL;
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	826 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	827 }
8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	828
0 a61af66fc99e Initial load duke parents: diff changeset	829 // Allocation profiling support
a61af66fc99e Initial load duke parents: diff changeset	830 juint alloc_size() const { return _alloc_count * size_helper(); }
a61af66fc99e Initial load duke parents: diff changeset	831 void set_alloc_size(juint n) {}
a61af66fc99e Initial load duke parents: diff changeset	832
a61af66fc99e Initial load duke parents: diff changeset	833 // Use this to return the size of an instance in heap words:
a61af66fc99e Initial load duke parents: diff changeset	834 int size_helper() const {
a61af66fc99e Initial load duke parents: diff changeset	835 return layout_helper_to_size_helper(layout_helper());
a61af66fc99e Initial load duke parents: diff changeset	836 }
a61af66fc99e Initial load duke parents: diff changeset	837
a61af66fc99e Initial load duke parents: diff changeset	838 // This bit is initialized in classFileParser.cpp.
a61af66fc99e Initial load duke parents: diff changeset	839 // It is false under any of the following conditions:
a61af66fc99e Initial load duke parents: diff changeset	840 // - the class is abstract (including any interface)
a61af66fc99e Initial load duke parents: diff changeset	841 // - the class has a finalizer (if !RegisterFinalizersAtInit)
a61af66fc99e Initial load duke parents: diff changeset	842 // - the class size is larger than FastAllocateSizeLimit
a61af66fc99e Initial load duke parents: diff changeset	843 // - the class is java/lang/Class, which cannot be allocated directly
a61af66fc99e Initial load duke parents: diff changeset	844 bool can_be_fastpath_allocated() const {
a61af66fc99e Initial load duke parents: diff changeset	845 return !layout_helper_needs_slow_path(layout_helper());
a61af66fc99e Initial load duke parents: diff changeset	846 }
a61af66fc99e Initial load duke parents: diff changeset	847
a61af66fc99e Initial load duke parents: diff changeset	848 // Java vtable/itable
a61af66fc99e Initial load duke parents: diff changeset	849 klassVtable* vtable() const; // return new klassVtable wrapper
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	850 inline Method* method_at_vtable(int index);
0 a61af66fc99e Initial load duke parents: diff changeset	851 klassItable* itable() const; // return new klassItable wrapper
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	852 Method* method_at_itable(Klass* holder, int index, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	853
a61af66fc99e Initial load duke parents: diff changeset	854 // Garbage collection
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	855 virtual void oops_do(OopClosure* cl);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	856
0 a61af66fc99e Initial load duke parents: diff changeset	857 void oop_follow_contents(oop obj);
a61af66fc99e Initial load duke parents: diff changeset	858 int oop_adjust_pointers(oop obj);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	859
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	860 void clean_implementors_list(BoolObjectClosure* is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	861 void clean_method_data(BoolObjectClosure* is_alive);
0 a61af66fc99e Initial load duke parents: diff changeset	862
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	863 // Explicit metaspace deallocation of fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	864 // For RedefineClasses, we need to deallocate instanceKlasses
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	865 void deallocate_contents(ClassLoaderData* loader_data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	866
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	867 // 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	868 // referenced by handles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	869 bool on_stack() const { return _constants->on_stack(); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	870
0 a61af66fc99e Initial load duke parents: diff changeset	871 void release_C_heap_structures();
a61af66fc99e Initial load duke parents: diff changeset	872
a61af66fc99e Initial load duke parents: diff changeset	873 // Parallel Scavenge and Parallel Old
a61af66fc99e Initial load duke parents: diff changeset	874 PARALLEL_GC_DECLS
a61af66fc99e Initial load duke parents: diff changeset	875
a61af66fc99e Initial load duke parents: diff changeset	876 // Naming
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 977 diff changeset	877 const char* signature_name() const;
0 a61af66fc99e Initial load duke parents: diff changeset	878
a61af66fc99e Initial load duke parents: diff changeset	879 // Iterators
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	880 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
0 a61af66fc99e Initial load duke parents: diff changeset	881 return oop_oop_iterate_v(obj, blk);
a61af66fc99e Initial load duke parents: diff changeset	882 }
a61af66fc99e Initial load duke parents: diff changeset	883
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	884 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
0 a61af66fc99e Initial load duke parents: diff changeset	885 return oop_oop_iterate_v_m(obj, blk, mr);
a61af66fc99e Initial load duke parents: diff changeset	886 }
a61af66fc99e Initial load duke parents: diff changeset	887
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	888 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	889 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	890 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, \
0 a61af66fc99e Initial load duke parents: diff changeset	891 MemRegion mr);
a61af66fc99e Initial load duke parents: diff changeset	892
a61af66fc99e Initial load duke parents: diff changeset	893 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	894 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	895
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	896 #ifndef SERIALGC
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	897 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	898 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	899
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	900 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	901 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	902 #endif // !SERIALGC
0 a61af66fc99e Initial load duke parents: diff changeset	903
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	904 u2 idnum_allocated_count() const { return _idnum_allocated_count; }
0 a61af66fc99e Initial load duke parents: diff changeset	905 private:
a61af66fc99e Initial load duke parents: diff changeset	906 // initialization state
a61af66fc99e Initial load duke parents: diff changeset	907 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	908 void set_init_state(ClassState state);
a61af66fc99e Initial load duke parents: diff changeset	909 #else
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4737 diff changeset	910 void set_init_state(ClassState state) { _init_state = (u1)state; }
0 a61af66fc99e Initial load duke parents: diff changeset	911 #endif
6038 8bafad97cd26 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support. jiangli parents: 6006 diff changeset	912 void set_rewritten() { _misc_flags \|= _misc_rewritten; }
0 a61af66fc99e Initial load duke parents: diff changeset	913 void set_init_thread(Thread *thread) { _init_thread = thread; }
a61af66fc99e Initial load duke parents: diff changeset	914
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	915 // 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	916 // 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	917 // 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	918 // going from NULL to non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 975 diff changeset	919 bool idnum_can_increment() const { return has_been_redefined(); }
0 a61af66fc99e Initial load duke parents: diff changeset	920 jmethodID* methods_jmethod_ids_acquire() const
a61af66fc99e Initial load duke parents: diff changeset	921 { return (jmethodID*)OrderAccess::load_ptr_acquire(&_methods_jmethod_ids); }
a61af66fc99e Initial load duke parents: diff changeset	922 void release_set_methods_jmethod_ids(jmethodID* jmeths)
a61af66fc99e Initial load duke parents: diff changeset	923 { OrderAccess::release_store_ptr(&_methods_jmethod_ids, jmeths); }
a61af66fc99e Initial load duke parents: diff changeset	924
a61af66fc99e Initial load duke parents: diff changeset	925 int* methods_cached_itable_indices_acquire() const
a61af66fc99e Initial load duke parents: diff changeset	926 { return (int*)OrderAccess::load_ptr_acquire(&_methods_cached_itable_indices); }
a61af66fc99e Initial load duke parents: diff changeset	927 void release_set_methods_cached_itable_indices(int* indices)
a61af66fc99e Initial load duke parents: diff changeset	928 { OrderAccess::release_store_ptr(&_methods_cached_itable_indices, indices); }
a61af66fc99e Initial load duke parents: diff changeset	929
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	930 // Lock during initialization
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	931 volatile oop init_lock() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	932 void set_init_lock(oop value) { klass_oop_store(&_init_lock, value); }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	933 void fence_and_clear_init_lock(); // after fully_initialized
0 a61af66fc99e Initial load duke parents: diff changeset	934
a61af66fc99e Initial load duke parents: diff changeset	935 // Offsets for memory management
a61af66fc99e Initial load duke parents: diff changeset	936 oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;}
a61af66fc99e Initial load duke parents: diff changeset	937 oop* adr_signers() const { return (oop*)&this->_signers;}
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	938 oop* adr_init_lock() const { return (oop*)&this->_init_lock;}
0 a61af66fc99e Initial load duke parents: diff changeset	939
a61af66fc99e Initial load duke parents: diff changeset	940 // Static methods that are used to implement member methods where an exposed this pointer
a61af66fc99e Initial load duke parents: diff changeset	941 // is needed due to possible GCs
a61af66fc99e Initial load duke parents: diff changeset	942 static bool link_class_impl (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	943 static bool verify_code (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	944 static void initialize_impl (instanceKlassHandle this_oop, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	945 static void eager_initialize_impl (instanceKlassHandle this_oop);
a61af66fc99e Initial load duke parents: diff changeset	946 static void set_initialization_state_and_notify_impl (instanceKlassHandle this_oop, ClassState state, TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	947 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	948 static Klass* array_klass_impl (instanceKlassHandle this_oop, bool or_null, int n, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	949 static void do_local_static_fields_impl (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS);
a61af66fc99e Initial load duke parents: diff changeset	950 /* jni_id_for_impl for jfieldID only */
a61af66fc99e Initial load duke parents: diff changeset	951 static JNIid* jni_id_for_impl (instanceKlassHandle this_oop, int offset);
a61af66fc99e Initial load duke parents: diff changeset	952
a61af66fc99e Initial load duke parents: diff changeset	953 // 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	954 Klass* array_klass_impl(bool or_null, int n, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	955
a61af66fc99e Initial load duke parents: diff changeset	956 // 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	957 Klass* array_klass_impl(bool or_null, TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	958
a61af66fc99e Initial load duke parents: diff changeset	959 public:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	960 // CDS support - remove and restore oops from metadata. Oops are not shared.
0 a61af66fc99e Initial load duke parents: diff changeset	961 virtual void remove_unshareable_info();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	962 virtual void restore_unshareable_info(TRAPS);
0 a61af66fc99e Initial load duke parents: diff changeset	963
a61af66fc99e Initial load duke parents: diff changeset	964 // jvm support
a61af66fc99e Initial load duke parents: diff changeset	965 jint compute_modifier_flags(TRAPS) const;
a61af66fc99e Initial load duke parents: diff changeset	966
a61af66fc99e Initial load duke parents: diff changeset	967 public:
a61af66fc99e Initial load duke parents: diff changeset	968 // JVMTI support
a61af66fc99e Initial load duke parents: diff changeset	969 jint jvmti_class_status() const;
a61af66fc99e Initial load duke parents: diff changeset	970
a61af66fc99e Initial load duke parents: diff changeset	971 public:
a61af66fc99e Initial load duke parents: diff changeset	972 // Printing
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	973 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	974 void print_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	975 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	976 void print_value_on(outputStream* st) const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	977
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1126 diff changeset	978 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	979
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1126 diff changeset	980 #ifndef PRODUCT
0 a61af66fc99e Initial load duke parents: diff changeset	981 void oop_print_on (oop obj, outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	982
a61af66fc99e Initial load duke parents: diff changeset	983 void print_dependent_nmethods(bool verbose = false);
a61af66fc99e Initial load duke parents: diff changeset	984 bool is_dependent_nmethod(nmethod* nm);
a61af66fc99e Initial load duke parents: diff changeset	985 #endif
a61af66fc99e Initial load duke parents: diff changeset	986
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	987 const char* internal_name() const;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	988
0 a61af66fc99e Initial load duke parents: diff changeset	989 // Verification
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	990 void verify_on(outputStream* st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	991
0 a61af66fc99e Initial load duke parents: diff changeset	992 void oop_verify_on(oop obj, outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	993 };
a61af66fc99e Initial load duke parents: diff changeset	994
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	995 inline Method* InstanceKlass::method_at_vtable(int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	996 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	997 assert(index >= 0, "valid vtable index");
a61af66fc99e Initial load duke parents: diff changeset	998 if (DebugVtables) {
a61af66fc99e Initial load duke parents: diff changeset	999 verify_vtable_index(index);
a61af66fc99e Initial load duke parents: diff changeset	1000 }
a61af66fc99e Initial load duke parents: diff changeset	1001 #endif
a61af66fc99e Initial load duke parents: diff changeset	1002 vtableEntry* ve = (vtableEntry*)start_of_vtable();
a61af66fc99e Initial load duke parents: diff changeset	1003 return ve[index].method();
a61af66fc99e Initial load duke parents: diff changeset	1004 }
a61af66fc99e Initial load duke parents: diff changeset	1005
a61af66fc99e Initial load duke parents: diff changeset	1006 // for adding methods
a61af66fc99e Initial load duke parents: diff changeset	1007 // 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	1008 inline u2 InstanceKlass::next_method_idnum() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1009 if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1010 return ConstMethod::UNSET_IDNUM; // no more ids available
0 a61af66fc99e Initial load duke parents: diff changeset	1011 } else {
a61af66fc99e Initial load duke parents: diff changeset	1012 return _idnum_allocated_count++;
a61af66fc99e Initial load duke parents: diff changeset	1013 }
a61af66fc99e Initial load duke parents: diff changeset	1014 }
a61af66fc99e Initial load duke parents: diff changeset	1015
a61af66fc99e Initial load duke parents: diff changeset	1016
a61af66fc99e Initial load duke parents: diff changeset	1017 /* JNIid class for jfieldIDs only */
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1018 class JNIid: public CHeapObj<mtClass> {
0 a61af66fc99e Initial load duke parents: diff changeset	1019 friend class VMStructs;
a61af66fc99e Initial load duke parents: diff changeset	1020 private:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1021 Klass* _holder;
0 a61af66fc99e Initial load duke parents: diff changeset	1022 JNIid* _next;
a61af66fc99e Initial load duke parents: diff changeset	1023 int _offset;
a61af66fc99e Initial load duke parents: diff changeset	1024 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1025 bool _is_static_field_id;
a61af66fc99e Initial load duke parents: diff changeset	1026 #endif
a61af66fc99e Initial load duke parents: diff changeset	1027
a61af66fc99e Initial load duke parents: diff changeset	1028 public:
a61af66fc99e Initial load duke parents: diff changeset	1029 // Accessors
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1030 Klass* holder() const { return _holder; }
0 a61af66fc99e Initial load duke parents: diff changeset	1031 int offset() const { return _offset; }
a61af66fc99e Initial load duke parents: diff changeset	1032 JNIid* next() { return _next; }
a61af66fc99e Initial load duke parents: diff changeset	1033 // Constructor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1034 JNIid(Klass* holder, int offset, JNIid* next);
0 a61af66fc99e Initial load duke parents: diff changeset	1035 // Identifier lookup
a61af66fc99e Initial load duke parents: diff changeset	1036 JNIid* find(int offset);
a61af66fc99e Initial load duke parents: diff changeset	1037
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1038 bool find_local_field(fieldDescriptor* fd) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1039 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	1040 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1041
0 a61af66fc99e Initial load duke parents: diff changeset	1042 static void deallocate(JNIid* id);
a61af66fc99e Initial load duke parents: diff changeset	1043 // Debugging
a61af66fc99e Initial load duke parents: diff changeset	1044 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1045 bool is_static_field_id() const { return _is_static_field_id; }
a61af66fc99e Initial load duke parents: diff changeset	1046 void set_is_static_field_id() { _is_static_field_id = true; }
a61af66fc99e Initial load duke parents: diff changeset	1047 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1048 void verify(Klass* holder);
0 a61af66fc99e Initial load duke parents: diff changeset	1049 };
a61af66fc99e Initial load duke parents: diff changeset	1050
a61af66fc99e Initial load duke parents: diff changeset	1051
a61af66fc99e Initial load duke parents: diff changeset	1052 // If breakpoints are more numerous than just JVMTI breakpoints,
a61af66fc99e Initial load duke parents: diff changeset	1053 // consider compressing this data structure.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1054 // It is currently a simple linked list defined in method.hpp.
0 a61af66fc99e Initial load duke parents: diff changeset	1055
a61af66fc99e Initial load duke parents: diff changeset	1056 class BreakpointInfo;
a61af66fc99e Initial load duke parents: diff changeset	1057
a61af66fc99e Initial load duke parents: diff changeset	1058
a61af66fc99e Initial load duke parents: diff changeset	1059 // A collection point for interesting information about the previous
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1060 // version(s) of an InstanceKlass. This class uses weak references to
0 a61af66fc99e Initial load duke parents: diff changeset	1061 // the information so that the information may be collected as needed
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1062 // by the system. If the information is shared, then a regular
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1063 // reference must be used because a weak reference would be seen as
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1064 // collectible. A GrowableArray of PreviousVersionNodes is attached
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1065 // to the InstanceKlass as needed. See PreviousVersionWalker below.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1066 class PreviousVersionNode : public CHeapObj<mtClass> {
0 a61af66fc99e Initial load duke parents: diff changeset	1067 private:
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1068 // A shared ConstantPool is never collected so we'll always have
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1069 // a reference to it so we can update items in the cache. We'll
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1070 // have a weak reference to a non-shared ConstantPool until all
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1071 // of the methods (EMCP or obsolete) have been collected; the
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1072 // non-shared ConstantPool becomes collectible at that point.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1073 ConstantPool* _prev_constant_pool; // regular or weak reference
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1074 bool _prev_cp_is_weak; // true if not a shared ConstantPool
2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	1075
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1076 // If the previous version of the InstanceKlass doesn't have any
0 a61af66fc99e Initial load duke parents: diff changeset	1077 // EMCP methods, then _prev_EMCP_methods will be NULL. If all the
a61af66fc99e Initial load duke parents: diff changeset	1078 // EMCP methods have been collected, then _prev_EMCP_methods can
a61af66fc99e Initial load duke parents: diff changeset	1079 // have a length of zero.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1080 GrowableArray<Method> _prev_EMCP_methods;
0 a61af66fc99e Initial load duke parents: diff changeset	1081
a61af66fc99e Initial load duke parents: diff changeset	1082 public:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1083 PreviousVersionNode(ConstantPool* prev_constant_pool, bool prev_cp_is_weak,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1084 GrowableArray<Method> prev_EMCP_methods);
0 a61af66fc99e Initial load duke parents: diff changeset	1085 ~PreviousVersionNode();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1086 ConstantPool* prev_constant_pool() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1087 return _prev_constant_pool;
a61af66fc99e Initial load duke parents: diff changeset	1088 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1089 GrowableArray<Method> prev_EMCP_methods() const {
0 a61af66fc99e Initial load duke parents: diff changeset	1090 return _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	1091 }
a61af66fc99e Initial load duke parents: diff changeset	1092 };
a61af66fc99e Initial load duke parents: diff changeset	1093
a61af66fc99e Initial load duke parents: diff changeset	1094
a61af66fc99e Initial load duke parents: diff changeset	1095 // A Handle-ized version of PreviousVersionNode.
a61af66fc99e Initial load duke parents: diff changeset	1096 class PreviousVersionInfo : public ResourceObj {
a61af66fc99e Initial load duke parents: diff changeset	1097 private:
a61af66fc99e Initial load duke parents: diff changeset	1098 constantPoolHandle _prev_constant_pool_handle;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1099 // If the previous version of the InstanceKlass doesn't have any
0 a61af66fc99e Initial load duke parents: diff changeset	1100 // EMCP methods, then _prev_EMCP_methods will be NULL. Since the
a61af66fc99e Initial load duke parents: diff changeset	1101 // methods cannot be collected while we hold a handle,
a61af66fc99e Initial load duke parents: diff changeset	1102 // _prev_EMCP_methods should never have a length of zero.
a61af66fc99e Initial load duke parents: diff changeset	1103 GrowableArray<methodHandle>* _prev_EMCP_method_handles;
a61af66fc99e Initial load duke parents: diff changeset	1104
a61af66fc99e Initial load duke parents: diff changeset	1105 public:
a61af66fc99e Initial load duke parents: diff changeset	1106 PreviousVersionInfo(PreviousVersionNode *pv_node);
a61af66fc99e Initial load duke parents: diff changeset	1107 ~PreviousVersionInfo();
a61af66fc99e Initial load duke parents: diff changeset	1108 constantPoolHandle prev_constant_pool_handle() const {
a61af66fc99e Initial load duke parents: diff changeset	1109 return _prev_constant_pool_handle;
a61af66fc99e Initial load duke parents: diff changeset	1110 }
a61af66fc99e Initial load duke parents: diff changeset	1111 GrowableArray<methodHandle>* prev_EMCP_method_handles() const {
a61af66fc99e Initial load duke parents: diff changeset	1112 return _prev_EMCP_method_handles;
a61af66fc99e Initial load duke parents: diff changeset	1113 }
a61af66fc99e Initial load duke parents: diff changeset	1114 };
a61af66fc99e Initial load duke parents: diff changeset	1115
a61af66fc99e Initial load duke parents: diff changeset	1116
a61af66fc99e Initial load duke parents: diff changeset	1117 // Helper object for walking previous versions. This helper cleans up
a61af66fc99e Initial load duke parents: diff changeset	1118 // the Handles that it allocates when the helper object is destroyed.
a61af66fc99e Initial load duke parents: diff changeset	1119 // The PreviousVersionInfo object returned by next_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	1120 // is only valid until a subsequent call to next_previous_version() or
a61af66fc99e Initial load duke parents: diff changeset	1121 // the helper object is destroyed.
a61af66fc99e Initial load duke parents: diff changeset	1122 class PreviousVersionWalker : public StackObj {
a61af66fc99e Initial load duke parents: diff changeset	1123 private:
a61af66fc99e Initial load duke parents: diff changeset	1124 GrowableArray<PreviousVersionNode > _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	1125 int _current_index;
a61af66fc99e Initial load duke parents: diff changeset	1126 // Fields for cleaning up when we are done walking the previous versions:
a61af66fc99e Initial load duke parents: diff changeset	1127 // A HandleMark for the PreviousVersionInfo handles:
a61af66fc99e Initial load duke parents: diff changeset	1128 HandleMark _hm;
a61af66fc99e Initial load duke parents: diff changeset	1129
a61af66fc99e Initial load duke parents: diff changeset	1130 // It would be nice to have a ResourceMark field in this helper also,
a61af66fc99e Initial load duke parents: diff changeset	1131 // but the ResourceMark code says to be careful to delete handles held
a61af66fc99e Initial load duke parents: diff changeset	1132 // in GrowableArrays _before_ deleting the GrowableArray. Since we
a61af66fc99e Initial load duke parents: diff changeset	1133 // can't guarantee the order in which the fields are destroyed, we
a61af66fc99e Initial load duke parents: diff changeset	1134 // have to let the creator of the PreviousVersionWalker object do
a61af66fc99e Initial load duke parents: diff changeset	1135 // the right thing. Also, adding a ResourceMark here causes an
a61af66fc99e Initial load duke parents: diff changeset	1136 // include loop.
a61af66fc99e Initial load duke parents: diff changeset	1137
a61af66fc99e Initial load duke parents: diff changeset	1138 // A pointer to the current info object so we can handle the deletes.
a61af66fc99e Initial load duke parents: diff changeset	1139 PreviousVersionInfo * _current_p;
a61af66fc99e Initial load duke parents: diff changeset	1140
a61af66fc99e Initial load duke parents: diff changeset	1141 public:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1142 PreviousVersionWalker(InstanceKlass *ik);
0 a61af66fc99e Initial load duke parents: diff changeset	1143 ~PreviousVersionWalker();
a61af66fc99e Initial load duke parents: diff changeset	1144
a61af66fc99e Initial load duke parents: diff changeset	1145 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	1146 // of the klass. Returns NULL if there are no more previous versions.
a61af66fc99e Initial load duke parents: diff changeset	1147 PreviousVersionInfo* next_previous_version();
a61af66fc99e Initial load duke parents: diff changeset	1148 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	1149
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1150
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1151 //
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1152 // nmethodBucket is used to record dependent nmethods for
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1153 // deoptimization. nmethod dependencies are actually <klass, method>
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1154 // 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	1155 // finding nmethods which might need to be deoptimized. Instead of
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1156 // 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	1157 // 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	1158 // 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	1159 // added.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1160 //
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6100 diff changeset	1161 class nmethodBucket: public CHeapObj<mtClass> {
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1162 friend class VMStructs;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1163 private:
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1164 nmethod* _nmethod;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1165 int _count;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1166 nmethodBucket* _next;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1167
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1168 public:
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1169 nmethodBucket(nmethod* nmethod, nmethodBucket* next) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1170 _nmethod = nmethod;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1171 _next = next;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1172 _count = 1;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1173 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1174 int count() { return _count; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1175 int increment() { _count += 1; return _count; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1176 int decrement() { _count -= 1; assert(_count >= 0, "don't underflow"); return _count; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1177 nmethodBucket* next() { return _next; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1178 void set_next(nmethodBucket* b) { _next = b; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1179 nmethod* get_nmethod() { return _nmethod; }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1180 };
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3938 diff changeset	1181
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1182 // 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	1183 // 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	1184 class InnerClassesIterator : public StackObj {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1185 private:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1186 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	1187 int _length;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1188 int _idx;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1189 public:
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1190
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1191 InnerClassesIterator(instanceKlassHandle k) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1192 _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	1193 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	1194 _length = _inner_classes->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1195 // 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	1196 // 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	1197 // 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	1198 // 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	1199 // if it also contains the EnclosingMethod data.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1200 assert((_length % InstanceKlass::inner_class_next_offset == 0 \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1201 _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	1202 "just checking");
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1203 // Remove the enclosing_method portion if exists.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1204 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	1205 _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	1206 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1207 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1208 _length = 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1209 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1210 _idx = 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1211 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1212
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1213 int length() const {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1214 return _length;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1215 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1216
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1217 void next() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1218 _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	1219 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1220
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1221 bool done() const {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1222 return (_idx >= _length);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1223 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1224
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1225 u2 inner_class_info_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1226 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1227 _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	1228 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1229
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1230 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	1231 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1232 _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	1233 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1234
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1235 u2 outer_class_info_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1236 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1237 _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	1238 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1239
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1240 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	1241 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1242 _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	1243 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1244
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1245 u2 inner_name_index() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1246 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1247 _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	1248 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1249
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1250 void set_inner_name_index(u2 index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1251 _inner_classes->at_put(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1252 _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	1253 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1254
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1255 u2 inner_access_flags() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1256 return _inner_classes->at(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6203 diff changeset	1257 _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	1258 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1259 };
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4901 diff changeset	1260
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	1261 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.hpp @ 6934:4735d2c84362