author | alanb |
Thu, 17 Mar 2016 19:04:01 +0000 | |
changeset 36508 | 5f9eee6b383b |
parent 36404 | 165ddc1dd2e9 |
child 36812 | 4f96f15e4a46 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP |
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#define SHARE_VM_OOPS_INSTANCEKLASS_HPP |
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#include "classfile/classLoader.hpp" |
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#include "classfile/classLoaderData.hpp" |
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#include "classfile/packageEntry.hpp" |
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#include "gc/shared/specialized_oop_closures.hpp" |
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#include "classfile/moduleEntry.hpp" |
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#include "logging/logLevel.hpp" |
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#include "memory/referenceType.hpp" |
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#include "oops/annotations.hpp" |
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#include "oops/constMethod.hpp" |
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#include "oops/fieldInfo.hpp" |
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#include "oops/instanceOop.hpp" |
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#include "oops/klassVtable.hpp" |
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#include "runtime/handles.hpp" |
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#include "runtime/os.hpp" |
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#include "trace/traceMacros.hpp" |
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#include "utilities/accessFlags.hpp" |
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#include "utilities/bitMap.inline.hpp" |
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#include "utilities/macros.hpp" |
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// An InstanceKlass is the VM level representation of a Java class. |
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// It contains all information needed for at class at execution runtime. |
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// InstanceKlass embedded field layout (after declared fields): |
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// [EMBEDDED Java vtable ] size in words = vtable_len |
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// [EMBEDDED nonstatic oop-map blocks] size in words = nonstatic_oop_map_size |
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// The embedded nonstatic oop-map blocks are short pairs (offset, length) |
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// indicating where oops are located in instances of this klass. |
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// [EMBEDDED implementor of the interface] only exist for interface |
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// [EMBEDDED host klass ] only exist for an anonymous class (JSR 292 enabled) |
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// forward declaration for class -- see below for definition |
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class BreakpointInfo; |
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class ClassFileParser; |
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class KlassDepChange; |
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class DependencyContext; |
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class fieldDescriptor; |
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class jniIdMapBase; |
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class JNIid; |
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class JvmtiCachedClassFieldMap; |
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class MemberNameTable; |
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class SuperTypeClosure; |
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// This is used in iterators below. |
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class FieldClosure: public StackObj { |
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public: |
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virtual void do_field(fieldDescriptor* fd) = 0; |
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}; |
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#ifndef PRODUCT |
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// Print fields. |
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// If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields. |
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class FieldPrinter: public FieldClosure { |
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oop _obj; |
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outputStream* _st; |
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public: |
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FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {} |
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void do_field(fieldDescriptor* fd); |
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}; |
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#endif // !PRODUCT |
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// ValueObjs embedded in klass. Describes where oops are located in instances of |
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// this klass. |
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class OopMapBlock VALUE_OBJ_CLASS_SPEC { |
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public: |
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// Byte offset of the first oop mapped by this block. |
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int offset() const { return _offset; } |
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void set_offset(int offset) { _offset = offset; } |
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// Number of oops in this block. |
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uint count() const { return _count; } |
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void set_count(uint count) { _count = count; } |
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// sizeof(OopMapBlock) in words. |
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static const int size_in_words() { |
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return align_size_up(int(sizeof(OopMapBlock)), wordSize) >> |
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LogBytesPerWord; |
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} |
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private: |
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int _offset; |
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uint _count; |
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}; |
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struct JvmtiCachedClassFileData; |
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class InstanceKlass: public Klass { |
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friend class VMStructs; |
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friend class JVMCIVMStructs; |
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friend class ClassFileParser; |
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friend class CompileReplay; |
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protected: |
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InstanceKlass(const ClassFileParser& parser, unsigned kind); |
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public: |
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InstanceKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
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// See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description |
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// of the class loading & initialization procedure, and the use of the states. |
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enum ClassState { |
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allocated, // allocated (but not yet linked) |
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loaded, // loaded and inserted in class hierarchy (but not linked yet) |
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linked, // successfully linked/verified (but not initialized yet) |
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being_initialized, // currently running class initializer |
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fully_initialized, // initialized (successfull final state) |
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initialization_error // error happened during initialization |
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}; |
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static int number_of_instance_classes() { return _total_instanceKlass_count; } |
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private: |
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static volatile int _total_instanceKlass_count; |
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static InstanceKlass* allocate_instance_klass(const ClassFileParser& parser, TRAPS); |
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protected: |
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// Annotations for this class |
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Annotations* _annotations; |
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// Package this class is defined in |
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PackageEntry* _package_entry; |
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// Array classes holding elements of this class. |
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Klass* _array_klasses; |
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// Constant pool for this class. |
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ConstantPool* _constants; |
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// The InnerClasses attribute and EnclosingMethod attribute. The |
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// _inner_classes is an array of shorts. If the class has InnerClasses |
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// attribute, then the _inner_classes array begins with 4-tuples of shorts |
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// [inner_class_info_index, outer_class_info_index, |
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// inner_name_index, inner_class_access_flags] for the InnerClasses |
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// attribute. If the EnclosingMethod attribute exists, it occupies the |
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// last two shorts [class_index, method_index] of the array. If only |
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// the InnerClasses attribute exists, the _inner_classes array length is |
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// number_of_inner_classes * 4. If the class has both InnerClasses |
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// and EnclosingMethod attributes the _inner_classes array length is |
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// number_of_inner_classes * 4 + enclosing_method_attribute_size. |
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Array<jushort>* _inner_classes; |
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// the source debug extension for this klass, NULL if not specified. |
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// Specified as UTF-8 string without terminating zero byte in the classfile, |
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// it is stored in the instanceklass as a NULL-terminated UTF-8 string |
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const char* _source_debug_extension; |
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// Array name derived from this class which needs unreferencing |
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// if this class is unloaded. |
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Symbol* _array_name; |
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// Number of heapOopSize words used by non-static fields in this klass |
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// (including inherited fields but after header_size()). |
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int _nonstatic_field_size; |
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int _static_field_size; // number words used by static fields (oop and non-oop) in this klass |
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// Constant pool index to the utf8 entry of the Generic signature, |
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// or 0 if none. |
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u2 _generic_signature_index; |
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// Constant pool index to the utf8 entry for the name of source file |
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// containing this klass, 0 if not specified. |
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u2 _source_file_name_index; |
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u2 _static_oop_field_count;// number of static oop fields in this klass |
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u2 _java_fields_count; // The number of declared Java fields |
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int _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks |
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int _itable_len; // length of Java itable (in words) |
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// _is_marked_dependent can be set concurrently, thus cannot be part of the |
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// _misc_flags. |
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bool _is_marked_dependent; // used for marking during flushing and deoptimization |
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191 |
|
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// The low two bits of _misc_flags contains the kind field. |
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// This can be used to quickly discriminate among the four kinds of |
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// InstanceKlass. |
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|
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static const unsigned _misc_kind_field_size = 2; |
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static const unsigned _misc_kind_field_pos = 0; |
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static const unsigned _misc_kind_field_mask = (1u << _misc_kind_field_size) - 1u; |
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|
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static const unsigned _misc_kind_other = 0; // concrete InstanceKlass |
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static const unsigned _misc_kind_reference = 1; // InstanceRefKlass |
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static const unsigned _misc_kind_class_loader = 2; // InstanceClassLoaderKlass |
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static const unsigned _misc_kind_mirror = 3; // InstanceMirrorKlass |
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204 |
|
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// Start after _misc_kind field. |
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enum { |
36508 | 207 |
_misc_rewritten = 1 << 2, // methods rewritten. |
208 |
_misc_has_nonstatic_fields = 1 << 3, // for sizing with UseCompressedOops |
|
209 |
_misc_should_verify_class = 1 << 4, // allow caching of preverification |
|
210 |
_misc_is_anonymous = 1 << 5, // has embedded _host_klass field |
|
211 |
_misc_is_contended = 1 << 6, // marked with contended annotation |
|
212 |
_misc_has_default_methods = 1 << 7, // class/superclass/implemented interfaces has default methods |
|
213 |
_misc_declares_default_methods = 1 << 8, // directly declares default methods (any access) |
|
214 |
_misc_has_been_redefined = 1 << 9, // class has been redefined |
|
215 |
_misc_is_scratch_class = 1 << 10, // class is the redefined scratch class |
|
216 |
_misc_is_shared_boot_class = 1 << 11, // defining class loader is boot class loader |
|
217 |
_misc_is_shared_platform_class = 1 << 12, // defining class loader is platform class loader |
|
218 |
_misc_is_shared_app_class = 1 << 13 // defining class loader is app class loader |
|
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219 |
}; |
36508 | 220 |
u2 loader_type_bits() { |
221 |
return _misc_is_shared_boot_class|_misc_is_shared_platform_class|_misc_is_shared_app_class; |
|
222 |
} |
|
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u2 _misc_flags; |
1 | 224 |
u2 _minor_version; // minor version number of class file |
225 |
u2 _major_version; // major version number of class file |
|
226 |
Thread* _init_thread; // Pointer to current thread doing initialization (to handle recusive initialization) |
|
227 |
OopMapCache* volatile _oop_map_cache; // OopMapCache for all methods in the klass (allocated lazily) |
|
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MemberNameTable* _member_names; // Member names |
1 | 229 |
JNIid* _jni_ids; // First JNI identifier for static fields in this class |
230 |
jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none |
|
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intptr_t _dep_context; // packed DependencyContext structure |
1 | 232 |
nmethod* _osr_nmethods_head; // Head of list of on-stack replacement nmethods for this class |
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BreakpointInfo* _breakpoints; // bpt lists, managed by Method* |
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// Linked instanceKlasses of previous versions |
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InstanceKlass* _previous_versions; |
1 | 236 |
// JVMTI fields can be moved to their own structure - see 6315920 |
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// JVMTI: cached class file, before retransformable agent modified it in CFLH |
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JvmtiCachedClassFileData* _cached_class_file; |
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239 |
|
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240 |
volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change |
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241 |
|
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// Class states are defined as ClassState (see above). |
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// Place the _init_state here to utilize the unused 2-byte after |
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244 |
// _idnum_allocated_count. |
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u1 _init_state; // state of class |
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u1 _reference_type; // reference type |
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247 |
|
1 | 248 |
JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration |
14385 | 249 |
|
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NOT_PRODUCT(int _verify_count;) // to avoid redundant verifies |
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251 |
|
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// Method array. |
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253 |
Array<Method*>* _methods; |
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254 |
// Default Method Array, concrete methods inherited from interfaces |
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Array<Method*>* _default_methods; |
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256 |
// Interface (Klass*s) this class declares locally to implement. |
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Array<Klass*>* _local_interfaces; |
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// Interface (Klass*s) this class implements transitively. |
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Array<Klass*>* _transitive_interfaces; |
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// Int array containing the original order of method in the class file (for JVMTI). |
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261 |
Array<int>* _method_ordering; |
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262 |
// Int array containing the vtable_indices for default_methods |
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263 |
// offset matches _default_methods offset |
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264 |
Array<int>* _default_vtable_indices; |
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|
265 |
|
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266 |
// Instance and static variable information, starts with 6-tuples of shorts |
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267 |
// [access, name index, sig index, initval index, low_offset, high_offset] |
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268 |
// for all fields, followed by the generic signature data at the end of |
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269 |
// the array. Only fields with generic signature attributes have the generic |
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270 |
// signature data set in the array. The fields array looks like following: |
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271 |
// |
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272 |
// f1: [access, name index, sig index, initial value index, low_offset, high_offset] |
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273 |
// f2: [access, name index, sig index, initial value index, low_offset, high_offset] |
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274 |
// ... |
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// fn: [access, name index, sig index, initial value index, low_offset, high_offset] |
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276 |
// [generic signature index] |
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277 |
// [generic signature index] |
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278 |
// ... |
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279 |
Array<u2>* _fields; |
1 | 280 |
|
281 |
// embedded Java vtable follows here |
|
282 |
// embedded Java itables follows here |
|
283 |
// embedded static fields follows here |
|
284 |
// embedded nonstatic oop-map blocks follows here |
|
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285 |
// embedded implementor of this interface follows here |
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|
286 |
// The embedded implementor only exists if the current klass is an |
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|
287 |
// iterface. The possible values of the implementor fall into following |
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288 |
// three cases: |
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289 |
// NULL: no implementor. |
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290 |
// A Klass* that's not itself: one implementor. |
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|
291 |
// Itself: more than one implementors. |
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|
292 |
// embedded host klass follows here |
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293 |
// The embedded host klass only exists in an anonymous class for |
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|
294 |
// dynamic language support (JSR 292 enabled). The host class grants |
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295 |
// its access privileges to this class also. The host class is either |
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296 |
// named, or a previously loaded anonymous class. A non-anonymous class |
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297 |
// or an anonymous class loaded through normal classloading does not |
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298 |
// have this embedded field. |
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|
299 |
// |
1 | 300 |
|
301 |
friend class SystemDictionary; |
|
302 |
||
303 |
public: |
|
36508 | 304 |
u2 loader_type() { |
305 |
return _misc_flags & loader_type_bits(); |
|
306 |
} |
|
307 |
||
308 |
bool is_shared_boot_class() const { |
|
309 |
return (_misc_flags & _misc_is_shared_boot_class) != 0; |
|
310 |
} |
|
311 |
bool is_shared_platform_class() const { |
|
312 |
return (_misc_flags & _misc_is_shared_platform_class) != 0; |
|
313 |
} |
|
314 |
bool is_shared_app_class() const { |
|
315 |
return (_misc_flags & _misc_is_shared_app_class) != 0; |
|
316 |
} |
|
317 |
||
318 |
void set_class_loader_type(jshort loader_type) { |
|
319 |
assert(( _misc_flags & loader_type_bits()) == 0, |
|
320 |
"Should only be called once for each class."); |
|
321 |
switch (loader_type) { |
|
322 |
case ClassLoader::BOOT_LOADER: |
|
323 |
_misc_flags |= _misc_is_shared_boot_class; |
|
324 |
break; |
|
325 |
case ClassLoader::PLATFORM_LOADER: |
|
326 |
_misc_flags |= _misc_is_shared_platform_class; |
|
327 |
break; |
|
328 |
case ClassLoader::APP_LOADER: |
|
329 |
_misc_flags |= _misc_is_shared_app_class; |
|
330 |
break; |
|
331 |
default: |
|
332 |
ShouldNotReachHere(); |
|
333 |
break; |
|
334 |
} |
|
335 |
} |
|
336 |
||
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337 |
bool has_nonstatic_fields() const { |
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338 |
return (_misc_flags & _misc_has_nonstatic_fields) != 0; |
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339 |
} |
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340 |
void set_has_nonstatic_fields(bool b) { |
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341 |
if (b) { |
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342 |
_misc_flags |= _misc_has_nonstatic_fields; |
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343 |
} else { |
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344 |
_misc_flags &= ~_misc_has_nonstatic_fields; |
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345 |
} |
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|
346 |
} |
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347 |
|
1 | 348 |
// field sizes |
349 |
int nonstatic_field_size() const { return _nonstatic_field_size; } |
|
350 |
void set_nonstatic_field_size(int size) { _nonstatic_field_size = size; } |
|
351 |
||
352 |
int static_field_size() const { return _static_field_size; } |
|
353 |
void set_static_field_size(int size) { _static_field_size = size; } |
|
354 |
||
11412
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jiangli
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diff
changeset
|
355 |
int static_oop_field_count() const { return (int)_static_oop_field_count; } |
62fe312f32c5
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changeset
|
356 |
void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; } |
1 | 357 |
|
358 |
// Java itable |
|
359 |
int itable_length() const { return _itable_len; } |
|
360 |
void set_itable_length(int len) { _itable_len = len; } |
|
361 |
||
362 |
// array klasses |
|
13728
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changeset
|
363 |
Klass* array_klasses() const { return _array_klasses; } |
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parents:
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diff
changeset
|
364 |
void set_array_klasses(Klass* k) { _array_klasses = k; } |
1 | 365 |
|
366 |
// methods |
|
13728
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diff
changeset
|
367 |
Array<Method*>* methods() const { return _methods; } |
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changeset
|
368 |
void set_methods(Array<Method*>* a) { _methods = a; } |
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|
369 |
Method* method_with_idnum(int idnum); |
30107
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8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
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changeset
|
370 |
Method* method_with_orig_idnum(int idnum); |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
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changeset
|
371 |
Method* method_with_orig_idnum(int idnum, int version); |
1 | 372 |
|
373 |
// method ordering |
|
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changeset
|
374 |
Array<int>* method_ordering() const { return _method_ordering; } |
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changeset
|
375 |
void set_method_ordering(Array<int>* m) { _method_ordering = m; } |
34666 | 376 |
void copy_method_ordering(const intArray* m, TRAPS); |
1 | 377 |
|
20391
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changeset
|
378 |
// default_methods |
7b146c5ebb18
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parents:
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diff
changeset
|
379 |
Array<Method*>* default_methods() const { return _default_methods; } |
7b146c5ebb18
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changeset
|
380 |
void set_default_methods(Array<Method*>* a) { _default_methods = a; } |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
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diff
changeset
|
381 |
|
7b146c5ebb18
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acorn
parents:
20379
diff
changeset
|
382 |
// default method vtable_indices |
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changeset
|
383 |
Array<int>* default_vtable_indices() const { return _default_vtable_indices; } |
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acorn
parents:
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changeset
|
384 |
void set_default_vtable_indices(Array<int>* v) { _default_vtable_indices = v; } |
7b146c5ebb18
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parents:
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changeset
|
385 |
Array<int>* create_new_default_vtable_indices(int len, TRAPS); |
7b146c5ebb18
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parents:
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diff
changeset
|
386 |
|
1 | 387 |
// interfaces |
13728
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changeset
|
388 |
Array<Klass*>* local_interfaces() const { return _local_interfaces; } |
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changeset
|
389 |
void set_local_interfaces(Array<Klass*>* a) { |
882756847a04
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parents:
13201
diff
changeset
|
390 |
guarantee(_local_interfaces == NULL || a == NULL, "Just checking"); |
882756847a04
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diff
changeset
|
391 |
_local_interfaces = a; } |
15935
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
392 |
|
13728
882756847a04
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coleenp
parents:
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diff
changeset
|
393 |
Array<Klass*>* transitive_interfaces() const { return _transitive_interfaces; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
394 |
void set_transitive_interfaces(Array<Klass*>* a) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
395 |
guarantee(_transitive_interfaces == NULL || a == NULL, "Just checking"); |
15935
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
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diff
changeset
|
396 |
_transitive_interfaces = a; |
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
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diff
changeset
|
397 |
} |
1 | 398 |
|
10546 | 399 |
private: |
400 |
friend class fieldDescriptor; |
|
401 |
FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); } |
|
402 |
||
403 |
public: |
|
404 |
int field_offset (int index) const { return field(index)->offset(); } |
|
405 |
int field_access_flags(int index) const { return field(index)->access_flags(); } |
|
406 |
Symbol* field_name (int index) const { return field(index)->name(constants()); } |
|
407 |
Symbol* field_signature (int index) const { return field(index)->signature(constants()); } |
|
408 |
||
409 |
// Number of Java declared fields |
|
11412
62fe312f32c5
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
jiangli
parents:
11407
diff
changeset
|
410 |
int java_fields_count() const { return (int)_java_fields_count; } |
10546 | 411 |
|
13728
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coleenp
parents:
13201
diff
changeset
|
412 |
Array<u2>* fields() const { return _fields; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
413 |
void set_fields(Array<u2>* f, u2 java_fields_count) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
414 |
guarantee(_fields == NULL || f == NULL, "Just checking"); |
15935
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8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
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diff
changeset
|
415 |
_fields = f; |
10546 | 416 |
_java_fields_count = java_fields_count; |
1 | 417 |
} |
418 |
||
419 |
// inner classes |
|
13728
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coleenp
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13201
diff
changeset
|
420 |
Array<u2>* inner_classes() const { return _inner_classes; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
421 |
void set_inner_classes(Array<u2>* f) { _inner_classes = f; } |
1 | 422 |
|
423 |
enum InnerClassAttributeOffset { |
|
424 |
// From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814 |
|
425 |
inner_class_inner_class_info_offset = 0, |
|
426 |
inner_class_outer_class_info_offset = 1, |
|
427 |
inner_class_inner_name_offset = 2, |
|
428 |
inner_class_access_flags_offset = 3, |
|
429 |
inner_class_next_offset = 4 |
|
430 |
}; |
|
431 |
||
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
432 |
enum EnclosingMethodAttributeOffset { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
433 |
enclosing_method_class_index_offset = 0, |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
434 |
enclosing_method_method_index_offset = 1, |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
435 |
enclosing_method_attribute_size = 2 |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
436 |
}; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
437 |
|
2264
55d0115a54fe
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
1550
diff
changeset
|
438 |
// method override check |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33576
diff
changeset
|
439 |
bool is_override(const methodHandle& super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS); |
2264
55d0115a54fe
4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242.
acorn
parents:
1550
diff
changeset
|
440 |
|
1 | 441 |
// package |
36508 | 442 |
PackageEntry* package() const { return _package_entry; } |
443 |
ModuleEntry* module() const; |
|
444 |
bool in_unnamed_package() const { return (_package_entry == NULL); } |
|
445 |
void set_package(PackageEntry* p) { _package_entry = p; } |
|
446 |
void set_package(ClassLoaderData* loader_data, TRAPS); |
|
34666 | 447 |
bool is_same_class_package(const Klass* class2) const; |
448 |
bool is_same_class_package(oop classloader2, const Symbol* classname2) const; |
|
449 |
static bool is_same_class_package(oop class_loader1, |
|
450 |
const Symbol* class_name1, |
|
451 |
oop class_loader2, |
|
452 |
const Symbol* class_name2); |
|
1 | 453 |
|
30222
bfe6be3c4ef8
8057919: Class.getSimpleName() should work for non-JLS compliant class names
vlivanov
parents:
29698
diff
changeset
|
454 |
// find an enclosing class |
34666 | 455 |
InstanceKlass* compute_enclosing_class(bool* inner_is_member, TRAPS) const { |
456 |
return compute_enclosing_class_impl(this, inner_is_member, THREAD); |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
457 |
} |
34666 | 458 |
static InstanceKlass* compute_enclosing_class_impl(const InstanceKlass* self, |
459 |
bool* inner_is_member, |
|
460 |
TRAPS); |
|
30222
bfe6be3c4ef8
8057919: Class.getSimpleName() should work for non-JLS compliant class names
vlivanov
parents:
29698
diff
changeset
|
461 |
|
bfe6be3c4ef8
8057919: Class.getSimpleName() should work for non-JLS compliant class names
vlivanov
parents:
29698
diff
changeset
|
462 |
// Find InnerClasses attribute for k and return outer_class_info_index & inner_name_index. |
bfe6be3c4ef8
8057919: Class.getSimpleName() should work for non-JLS compliant class names
vlivanov
parents:
29698
diff
changeset
|
463 |
static bool find_inner_classes_attr(instanceKlassHandle k, |
bfe6be3c4ef8
8057919: Class.getSimpleName() should work for non-JLS compliant class names
vlivanov
parents:
29698
diff
changeset
|
464 |
int* ooff, int* noff, TRAPS); |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
465 |
|
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
466 |
// tell if two classes have the same enclosing class (at package level) |
34666 | 467 |
bool is_same_package_member(const Klass* class2, TRAPS) const { |
468 |
return is_same_package_member_impl(this, class2, THREAD); |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
469 |
} |
34666 | 470 |
static bool is_same_package_member_impl(const InstanceKlass* self, |
471 |
const Klass* class2, |
|
472 |
TRAPS); |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
473 |
|
1 | 474 |
// initialization state |
475 |
bool is_loaded() const { return _init_state >= loaded; } |
|
476 |
bool is_linked() const { return _init_state >= linked; } |
|
477 |
bool is_initialized() const { return _init_state == fully_initialized; } |
|
478 |
bool is_not_initialized() const { return _init_state < being_initialized; } |
|
479 |
bool is_being_initialized() const { return _init_state == being_initialized; } |
|
480 |
bool is_in_error_state() const { return _init_state == initialization_error; } |
|
481 |
bool is_reentrant_initialization(Thread *thread) { return thread == _init_thread; } |
|
11407
5399831730cd
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
11405
diff
changeset
|
482 |
ClassState init_state() { return (ClassState)_init_state; } |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
483 |
bool is_rewritten() const { return (_misc_flags & _misc_rewritten) != 0; } |
3820
0a8fbbe180db
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
2570
diff
changeset
|
484 |
|
0a8fbbe180db
6830542: Performance: JVM_DefineClass already verified.
acorn
parents:
2570
diff
changeset
|
485 |
// defineClass specified verification |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
486 |
bool should_verify_class() const { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
487 |
return (_misc_flags & _misc_should_verify_class) != 0; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
488 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
489 |
void set_should_verify_class(bool value) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
490 |
if (value) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
491 |
_misc_flags |= _misc_should_verify_class; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
492 |
} else { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
493 |
_misc_flags &= ~_misc_should_verify_class; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
494 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
495 |
} |
1 | 496 |
|
497 |
// marking |
|
11440
dea12ec80745
7129240: backout fix for 7102776 until 7128770 is resolved
dcubed
parents:
11439
diff
changeset
|
498 |
bool is_marked_dependent() const { return _is_marked_dependent; } |
dea12ec80745
7129240: backout fix for 7102776 until 7128770 is resolved
dcubed
parents:
11439
diff
changeset
|
499 |
void set_is_marked_dependent(bool value) { _is_marked_dependent = value; } |
1 | 500 |
|
501 |
// initialization (virtuals from Klass) |
|
502 |
bool should_be_initialized() const; // means that initialize should be called |
|
503 |
void initialize(TRAPS); |
|
504 |
void link_class(TRAPS); |
|
505 |
bool link_class_or_fail(TRAPS); // returns false on failure |
|
506 |
void unlink_class(); |
|
507 |
void rewrite_class(TRAPS); |
|
15099
b31d40895bbb
8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs
coleenp
parents:
15097
diff
changeset
|
508 |
void link_methods(TRAPS); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
509 |
Method* class_initializer(); |
1 | 510 |
|
511 |
// set the class to initialized if no static initializer is present |
|
512 |
void eager_initialize(Thread *thread); |
|
513 |
||
514 |
// reference type |
|
11729
77f7d412d0a1
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
11440
diff
changeset
|
515 |
ReferenceType reference_type() const { return (ReferenceType)_reference_type; } |
77f7d412d0a1
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
11440
diff
changeset
|
516 |
void set_reference_type(ReferenceType t) { |
77f7d412d0a1
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
11440
diff
changeset
|
517 |
assert(t == (u1)t, "overflow"); |
77f7d412d0a1
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
11440
diff
changeset
|
518 |
_reference_type = (u1)t; |
77f7d412d0a1
7132690: InstanceKlass:_reference_type should be u1 type
jiangli
parents:
11440
diff
changeset
|
519 |
} |
1 | 520 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
521 |
static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); } |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8725
diff
changeset
|
522 |
|
1 | 523 |
// find local field, returns true if found |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
524 |
bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
1 | 525 |
// find field in direct superinterfaces, returns the interface in which the field is defined |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
526 |
Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
1 | 527 |
// find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
528 |
Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; |
1 | 529 |
// find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
530 |
Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const; |
1 | 531 |
|
532 |
// find a non-static or static field given its offset within the class. |
|
533 |
bool contains_field_offset(int offset) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
222
diff
changeset
|
534 |
return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size()); |
1 | 535 |
} |
536 |
||
537 |
bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; |
|
538 |
bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; |
|
539 |
||
540 |
// find a local method (returns NULL if not found) |
|
34666 | 541 |
Method* find_method(const Symbol* name, const Symbol* signature) const; |
542 |
static Method* find_method(const Array<Method*>* methods, |
|
543 |
const Symbol* name, |
|
544 |
const Symbol* signature); |
|
28514 | 545 |
|
546 |
// find a local method, but skip static methods |
|
34666 | 547 |
Method* find_instance_method(const Symbol* name, const Symbol* signature) const; |
548 |
static Method* find_instance_method(const Array<Method*>* methods, |
|
549 |
const Symbol* name, |
|
550 |
const Symbol* signature); |
|
1 | 551 |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
552 |
// find a local method (returns NULL if not found) |
34666 | 553 |
Method* find_local_method(const Symbol* name, |
554 |
const Symbol* signature, |
|
555 |
OverpassLookupMode overpass_mode, |
|
556 |
StaticLookupMode static_mode, |
|
557 |
PrivateLookupMode private_mode) const; |
|
28514 | 558 |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
559 |
// find a local method from given methods array (returns NULL if not found) |
34666 | 560 |
static Method* find_local_method(const Array<Method*>* methods, |
561 |
const Symbol* name, |
|
562 |
const Symbol* signature, |
|
563 |
OverpassLookupMode overpass_mode, |
|
564 |
StaticLookupMode static_mode, |
|
565 |
PrivateLookupMode private_mode); |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
566 |
|
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
567 |
// find a local method index in methods or default_methods (returns -1 if not found) |
34666 | 568 |
static int find_method_index(const Array<Method*>* methods, |
569 |
const Symbol* name, |
|
570 |
const Symbol* signature, |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
571 |
OverpassLookupMode overpass_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
572 |
StaticLookupMode static_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
573 |
PrivateLookupMode private_mode); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
574 |
|
1 | 575 |
// lookup operation (returns NULL if not found) |
34666 | 576 |
Method* uncached_lookup_method(const Symbol* name, |
577 |
const Symbol* signature, |
|
578 |
OverpassLookupMode overpass_mode) const; |
|
1 | 579 |
|
580 |
// lookup a method in all the interfaces that this class implements |
|
581 |
// (returns NULL if not found) |
|
28731
f7339cba0a6a
8067480: Crash in klassItable::initialize_itable_for_interface when running vm.runtime.defmeth.StaticMethodsTest.
lfoltan
parents:
27674
diff
changeset
|
582 |
Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature, DefaultsLookupMode defaults_mode) const; |
22232
26acfad336c0
8027804: JCK resolveMethod test fails expecting AbstractMethodError
hseigel
parents:
21913
diff
changeset
|
583 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
584 |
// lookup a method in local defaults then in all interfaces |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
585 |
// (returns NULL if not found) |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
586 |
Method* lookup_method_in_ordered_interfaces(Symbol* name, Symbol* signature) const; |
1 | 587 |
|
14385 | 588 |
// Find method indices by name. If a method with the specified name is |
589 |
// found the index to the first method is returned, and 'end' is filled in |
|
590 |
// with the index of first non-name-matching method. If no method is found |
|
591 |
// -1 is returned. |
|
34666 | 592 |
int find_method_by_name(const Symbol* name, int* end) const; |
593 |
static int find_method_by_name(const Array<Method*>* methods, |
|
594 |
const Symbol* name, int* end); |
|
14385 | 595 |
|
1 | 596 |
// constant pool |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
597 |
ConstantPool* constants() const { return _constants; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
598 |
void set_constants(ConstantPool* c) { _constants = c; } |
1 | 599 |
|
600 |
// protection domain |
|
17826
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
601 |
oop protection_domain() const; |
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
602 |
|
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
603 |
// signers |
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
604 |
objArrayOop signers() const; |
1 | 605 |
|
1550
be2fc37a817f
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
1388
diff
changeset
|
606 |
// host class |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
607 |
Klass* host_klass() const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
608 |
Klass** hk = (Klass**)adr_host_klass(); |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
609 |
if (hk == NULL) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
610 |
return NULL; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
611 |
} else { |
22757
b2cbb3680b4f
8033792: AltHashing used jint for imprecise bit shifting
minqi
parents:
22232
diff
changeset
|
612 |
assert(*hk != NULL, "host klass should always be set if the address is not null"); |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
613 |
return *hk; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
614 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
615 |
} |
34666 | 616 |
void set_host_klass(const Klass* host) { |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
617 |
assert(is_anonymous(), "not anonymous"); |
34666 | 618 |
const Klass** addr = (const Klass**)adr_host_klass(); |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
619 |
assert(addr != NULL, "no reversed space"); |
15873
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
620 |
if (addr != NULL) { |
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
621 |
*addr = host; |
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
622 |
} |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
623 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
624 |
bool is_anonymous() const { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
625 |
return (_misc_flags & _misc_is_anonymous) != 0; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
626 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
627 |
void set_is_anonymous(bool value) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
628 |
if (value) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
629 |
_misc_flags |= _misc_is_anonymous; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
630 |
} else { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
631 |
_misc_flags &= ~_misc_is_anonymous; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
632 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
633 |
} |
1550
be2fc37a817f
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
1388
diff
changeset
|
634 |
|
14816 | 635 |
// Oop that keeps the metadata for this class from being unloaded |
636 |
// in places where the metadata is stored in other places, like nmethods |
|
637 |
oop klass_holder() const { |
|
638 |
return is_anonymous() ? java_mirror() : class_loader(); |
|
639 |
} |
|
640 |
||
15193
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
641 |
bool is_contended() const { |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
642 |
return (_misc_flags & _misc_is_contended) != 0; |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
643 |
} |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
644 |
void set_is_contended(bool value) { |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
645 |
if (value) { |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
646 |
_misc_flags |= _misc_is_contended; |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
647 |
} else { |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
648 |
_misc_flags &= ~_misc_is_contended; |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
649 |
} |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
650 |
} |
8e6b5694267f
8003985: Support @Contended Annotation - JEP 142
jwilhelm
parents:
15105
diff
changeset
|
651 |
|
1 | 652 |
// source file name |
19326
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
653 |
Symbol* source_file_name() const { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
654 |
return (_source_file_name_index == 0) ? |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
655 |
(Symbol*)NULL : _constants->symbol_at(_source_file_name_index); |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
656 |
} |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
657 |
u2 source_file_name_index() const { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
658 |
return _source_file_name_index; |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
659 |
} |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
660 |
void set_source_file_name_index(u2 sourcefile_index) { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
661 |
_source_file_name_index = sourcefile_index; |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
662 |
} |
1 | 663 |
|
664 |
// minor and major version numbers of class file |
|
665 |
u2 minor_version() const { return _minor_version; } |
|
666 |
void set_minor_version(u2 minor_version) { _minor_version = minor_version; } |
|
667 |
u2 major_version() const { return _major_version; } |
|
668 |
void set_major_version(u2 major_version) { _major_version = major_version; } |
|
669 |
||
670 |
// source debug extension |
|
34666 | 671 |
const char* source_debug_extension() const { return _source_debug_extension; } |
672 |
void set_source_debug_extension(const char* array, int length); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
673 |
|
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
674 |
// symbol unloading support (refcount already added) |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
675 |
Symbol* array_name() { return _array_name; } |
15928
f9d5c6e4107f
8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents:
15601
diff
changeset
|
676 |
void set_array_name(Symbol* name) { assert(_array_name == NULL || name == NULL, "name already created"); _array_name = name; } |
1 | 677 |
|
678 |
// nonstatic oop-map blocks |
|
3694
942b7bc7f28c
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
3693
diff
changeset
|
679 |
static int nonstatic_oop_map_size(unsigned int oop_map_count) { |
3693 | 680 |
return oop_map_count * OopMapBlock::size_in_words(); |
681 |
} |
|
3694
942b7bc7f28c
6845368: large objects cause a crash or unexpected exception
jcoomes
parents:
3693
diff
changeset
|
682 |
unsigned int nonstatic_oop_map_count() const { |
3693 | 683 |
return _nonstatic_oop_map_size / OopMapBlock::size_in_words(); |
684 |
} |
|
685 |
int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; } |
|
686 |
void set_nonstatic_oop_map_size(int words) { |
|
687 |
_nonstatic_oop_map_size = words; |
|
688 |
} |
|
1 | 689 |
|
690 |
// RedefineClasses() support for previous versions: |
|
26558
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
691 |
void add_previous_version(instanceKlassHandle ikh, int emcp_method_count); |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
692 |
|
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
693 |
InstanceKlass* previous_versions() const { return _previous_versions; } |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
694 |
|
30107
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
695 |
InstanceKlass* get_klass_version(int version) { |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
696 |
for (InstanceKlass* ik = this; ik != NULL; ik = ik->previous_versions()) { |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
697 |
if (ik->constants()->version() == version) { |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
698 |
return ik; |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
699 |
} |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
700 |
} |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
701 |
return NULL; |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
702 |
} |
e3d259b825a1
8067662: "java.lang.NullPointerException: Method name is null" from StackTraceElement.<init>
sspitsyn
parents:
29576
diff
changeset
|
703 |
|
26558
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
704 |
bool has_been_redefined() const { |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
705 |
return (_misc_flags & _misc_has_been_redefined) != 0; |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
706 |
} |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
707 |
void set_has_been_redefined() { |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
708 |
_misc_flags |= _misc_has_been_redefined; |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
709 |
} |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
710 |
|
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
711 |
bool is_scratch_class() const { |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
712 |
return (_misc_flags & _misc_is_scratch_class) != 0; |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
713 |
} |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
714 |
|
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
715 |
void set_is_scratch_class() { |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
716 |
_misc_flags |= _misc_is_scratch_class; |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
717 |
} |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
718 |
|
33151
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
719 |
private: |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
720 |
|
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
721 |
void set_kind(unsigned kind) { |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
722 |
assert(kind <= _misc_kind_field_mask, "Invalid InstanceKlass kind"); |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
723 |
unsigned fmask = _misc_kind_field_mask << _misc_kind_field_pos; |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
724 |
unsigned flags = _misc_flags & ~fmask; |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
725 |
_misc_flags = (flags | (kind << _misc_kind_field_pos)); |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
726 |
} |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
727 |
|
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
728 |
bool is_kind(unsigned desired) const { |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
729 |
unsigned kind = (_misc_flags >> _misc_kind_field_pos) & _misc_kind_field_mask; |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
730 |
return kind == desired; |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
731 |
} |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
732 |
|
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
733 |
public: |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
734 |
|
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
735 |
// Other is anything that is not one of the more specialized kinds of InstanceKlass. |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
736 |
bool is_other_instance_klass() const { return is_kind(_misc_kind_other); } |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
737 |
bool is_reference_instance_klass() const { return is_kind(_misc_kind_reference); } |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
738 |
bool is_mirror_instance_klass() const { return is_kind(_misc_kind_mirror); } |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
739 |
bool is_class_loader_instance_klass() const { return is_kind(_misc_kind_class_loader); } |
686d694f5c6a
8138659: Speed up InstanceKlass subclass discrimination
kbarrett
parents:
32606
diff
changeset
|
740 |
|
1 | 741 |
void init_previous_versions() { |
742 |
_previous_versions = NULL; |
|
743 |
} |
|
744 |
||
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
745 |
private: |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
746 |
static int _previous_version_count; |
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
747 |
public: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
748 |
static void purge_previous_versions(InstanceKlass* ik); |
29576
c223b0a9872e
8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents:
29316
diff
changeset
|
749 |
static bool has_previous_versions() { return _previous_version_count > 0; } |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
750 |
|
1 | 751 |
// JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation |
18940
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
752 |
void set_cached_class_file(JvmtiCachedClassFileData *data) { |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
753 |
_cached_class_file = data; |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
754 |
} |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
755 |
JvmtiCachedClassFileData * get_cached_class_file() { return _cached_class_file; } |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
756 |
jint get_cached_class_file_len(); |
d39d4765e6cb
8020309: Eliminate InstanceKlass::_cached_class_file_len.
jiangli
parents:
18687
diff
changeset
|
757 |
unsigned char * get_cached_class_file_bytes(); |
1 | 758 |
|
759 |
// JVMTI: Support for caching of field indices, types, and offsets |
|
760 |
void set_jvmti_cached_class_field_map(JvmtiCachedClassFieldMap* descriptor) { |
|
761 |
_jvmti_cached_class_field_map = descriptor; |
|
762 |
} |
|
763 |
JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const { |
|
764 |
return _jvmti_cached_class_field_map; |
|
765 |
} |
|
766 |
||
15199
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
767 |
bool has_default_methods() const { |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
768 |
return (_misc_flags & _misc_has_default_methods) != 0; |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
769 |
} |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
770 |
void set_has_default_methods(bool b) { |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
771 |
if (b) { |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
772 |
_misc_flags |= _misc_has_default_methods; |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
773 |
} else { |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
774 |
_misc_flags &= ~_misc_has_default_methods; |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
775 |
} |
f6ca17e14c5f
8005895: Inefficient InstanceKlass field packing wasts memory.
jiangli
parents:
15105
diff
changeset
|
776 |
} |
14385 | 777 |
|
27402
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
778 |
bool declares_default_methods() const { |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
779 |
return (_misc_flags & _misc_declares_default_methods) != 0; |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
780 |
} |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
781 |
void set_declares_default_methods(bool b) { |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
782 |
if (b) { |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
783 |
_misc_flags |= _misc_declares_default_methods; |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
784 |
} else { |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
785 |
_misc_flags &= ~_misc_declares_default_methods; |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
786 |
} |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
787 |
} |
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
788 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
789 |
// for adding methods, ConstMethod::UNSET_IDNUM means no more ids available |
1 | 790 |
inline u2 next_method_idnum(); |
791 |
void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; } |
|
792 |
||
793 |
// generics support |
|
19326
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
794 |
Symbol* generic_signature() const { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
795 |
return (_generic_signature_index == 0) ? |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
796 |
(Symbol*)NULL : _constants->symbol_at(_generic_signature_index); |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
797 |
} |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
798 |
u2 generic_signature_index() const { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
799 |
return _generic_signature_index; |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
800 |
} |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
801 |
void set_generic_signature_index(u2 sig_index) { |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
802 |
_generic_signature_index = sig_index; |
14cb6cf26a96
8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes.
jiangli
parents:
18940
diff
changeset
|
803 |
} |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
804 |
|
34666 | 805 |
u2 enclosing_method_data(int offset) const; |
806 |
u2 enclosing_method_class_index() const { |
|
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
807 |
return enclosing_method_data(enclosing_method_class_index_offset); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
808 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
809 |
u2 enclosing_method_method_index() { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
810 |
return enclosing_method_data(enclosing_method_method_index_offset); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
811 |
} |
1 | 812 |
void set_enclosing_method_indices(u2 class_index, |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
813 |
u2 method_index); |
1 | 814 |
|
815 |
// jmethodID support |
|
3824
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
816 |
static jmethodID get_jmethod_id(instanceKlassHandle ik_h, |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33576
diff
changeset
|
817 |
const methodHandle& method_h); |
3824
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
818 |
static jmethodID get_jmethod_id_fetch_or_update(instanceKlassHandle ik_h, |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
819 |
size_t idnum, jmethodID new_id, jmethodID* new_jmeths, |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
820 |
jmethodID* to_dealloc_id_p, |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
821 |
jmethodID** to_dealloc_jmeths_p); |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
822 |
static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum, |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
823 |
size_t *length_p, jmethodID* id_p); |
27478 | 824 |
void ensure_space_for_methodids(int start_offset = 0); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
825 |
jmethodID jmethod_id_or_null(Method* method); |
1 | 826 |
|
827 |
// annotations support |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
828 |
Annotations* annotations() const { return _annotations; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
829 |
void set_annotations(Annotations* anno) { _annotations = anno; } |
15601 | 830 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
831 |
AnnotationArray* class_annotations() const { |
15601 | 832 |
return (_annotations != NULL) ? _annotations->class_annotations() : NULL; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
833 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
834 |
Array<AnnotationArray*>* fields_annotations() const { |
15601 | 835 |
return (_annotations != NULL) ? _annotations->fields_annotations() : NULL; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
836 |
} |
15601 | 837 |
AnnotationArray* class_type_annotations() const { |
838 |
return (_annotations != NULL) ? _annotations->class_type_annotations() : NULL; |
|
15097
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14816
diff
changeset
|
839 |
} |
15601 | 840 |
Array<AnnotationArray*>* fields_type_annotations() const { |
841 |
return (_annotations != NULL) ? _annotations->fields_type_annotations() : NULL; |
|
842 |
} |
|
1 | 843 |
// allocation |
844 |
instanceOop allocate_instance(TRAPS); |
|
845 |
||
846 |
// additional member function to return a handle |
|
847 |
instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); } |
|
848 |
||
849 |
objArrayOop allocate_objArray(int n, int length, TRAPS); |
|
850 |
// Helper function |
|
851 |
static instanceOop register_finalizer(instanceOop i, TRAPS); |
|
852 |
||
853 |
// Check whether reflection/jni/jvm code is allowed to instantiate this class; |
|
854 |
// if not, throw either an Error or an Exception. |
|
855 |
virtual void check_valid_for_instantiation(bool throwError, TRAPS); |
|
856 |
||
857 |
// initialization |
|
858 |
void call_class_initializer(TRAPS); |
|
859 |
void set_initialization_state_and_notify(ClassState state, TRAPS); |
|
860 |
||
861 |
// OopMapCache support |
|
862 |
OopMapCache* oop_map_cache() { return _oop_map_cache; } |
|
863 |
void set_oop_map_cache(OopMapCache *cache) { _oop_map_cache = cache; } |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33576
diff
changeset
|
864 |
void mask_for(const methodHandle& method, int bci, InterpreterOopMap* entry); |
1 | 865 |
|
866 |
// JNI identifier support (for static fields - for jni performance) |
|
867 |
JNIid* jni_ids() { return _jni_ids; } |
|
868 |
void set_jni_ids(JNIid* ids) { _jni_ids = ids; } |
|
869 |
JNIid* jni_id_for(int offset); |
|
870 |
||
871 |
// maintenance of deoptimization dependencies |
|
34195
89011d12ebd3
8139595: MethodHandles::remove_dependent_nmethod is not MT safe
vlivanov
parents:
33611
diff
changeset
|
872 |
inline DependencyContext dependencies(); |
36300
5b47f168b948
7177745: JSR292: Many Callsite relinkages cause target method to always run in interpreter mode
vlivanov
parents:
35917
diff
changeset
|
873 |
int mark_dependent_nmethods(KlassDepChange& changes); |
1 | 874 |
void add_dependent_nmethod(nmethod* nm); |
33576
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33151
diff
changeset
|
875 |
void remove_dependent_nmethod(nmethod* nm, bool delete_immediately); |
1 | 876 |
|
877 |
// On-stack replacement support |
|
878 |
nmethod* osr_nmethods_head() const { return _osr_nmethods_head; }; |
|
879 |
void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; }; |
|
880 |
void add_osr_nmethod(nmethod* n); |
|
881 |
void remove_osr_nmethod(nmethod* n); |
|
27434
b4b185d05bb5
8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
thartmann
parents:
26558
diff
changeset
|
882 |
int mark_osr_nmethods(const Method* m); |
17370
59a0620561fa
8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents:
17078
diff
changeset
|
883 |
nmethod* lookup_osr_nmethod(const Method* m, int bci, int level, bool match_level) const; |
1 | 884 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
885 |
// Breakpoint support (see methods on Method* for details) |
1 | 886 |
BreakpointInfo* breakpoints() const { return _breakpoints; }; |
887 |
void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; }; |
|
888 |
||
889 |
// support for stub routines |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
890 |
static ByteSize init_state_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_state)); } |
36384 | 891 |
TRACE_DEFINE_KLASS_TRACE_ID_OFFSET; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
892 |
static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); } |
1 | 893 |
|
894 |
// subclass/subinterface checks |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
895 |
bool implements_interface(Klass* k) const; |
21768
b7dba4cde1c6
8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents:
21079
diff
changeset
|
896 |
bool is_same_or_direct_interface(Klass* k) const; |
1 | 897 |
|
24828
dd5406c950a1
6904403: assert(f == k->has_finalizer(),"inconsistent has_finalizer") with debug VM
dsamersoff
parents:
23999
diff
changeset
|
898 |
#ifdef ASSERT |
dd5406c950a1
6904403: assert(f == k->has_finalizer(),"inconsistent has_finalizer") with debug VM
dsamersoff
parents:
23999
diff
changeset
|
899 |
// check whether this class or one of its superclasses was redefined |
34666 | 900 |
bool has_redefined_this_or_super() const; |
24828
dd5406c950a1
6904403: assert(f == k->has_finalizer(),"inconsistent has_finalizer") with debug VM
dsamersoff
parents:
23999
diff
changeset
|
901 |
#endif |
dd5406c950a1
6904403: assert(f == k->has_finalizer(),"inconsistent has_finalizer") with debug VM
dsamersoff
parents:
23999
diff
changeset
|
902 |
|
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
903 |
// Access to the implementor of an interface. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
904 |
Klass* implementor() const |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
905 |
{ |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
906 |
Klass** k = adr_implementor(); |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
907 |
if (k == NULL) { |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
908 |
return NULL; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
909 |
} else { |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
910 |
return *k; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
911 |
} |
1 | 912 |
} |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
913 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
914 |
void set_implementor(Klass* k) { |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
915 |
assert(is_interface(), "not interface"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
916 |
Klass** addr = adr_implementor(); |
15873
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
917 |
assert(addr != NULL, "null addr"); |
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
918 |
if (addr != NULL) { |
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
919 |
*addr = k; |
5ce4f526e0ba
8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp
morris
parents:
15601
diff
changeset
|
920 |
} |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
921 |
} |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
922 |
|
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
923 |
int nof_implementors() const { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
924 |
Klass* k = implementor(); |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
925 |
if (k == NULL) { |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
926 |
return 0; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
927 |
} else if (k != this) { |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
928 |
return 1; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
929 |
} else { |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
930 |
return 2; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
931 |
} |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
932 |
} |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
933 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
934 |
void add_implementor(Klass* k); // k is a new class that implements this interface |
1 | 935 |
void init_implementor(); // initialize |
936 |
||
937 |
// link this class into the implementors list of every interface it implements |
|
938 |
void process_interfaces(Thread *thread); |
|
939 |
||
940 |
// virtual operations from Klass |
|
941 |
bool is_leaf_class() const { return _subklass == NULL; } |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
942 |
GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
943 |
bool compute_is_subtype_of(Klass* k); |
1 | 944 |
bool can_be_primary_super_slow() const; |
945 |
int oop_size(oop obj) const { return size_helper(); } |
|
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
946 |
// slow because it's a virtual call and used for verifying the layout_helper. |
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
947 |
// Using the layout_helper bits, we can call is_instance_klass without a virtual call. |
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
948 |
DEBUG_ONLY(bool is_instance_klass_slow() const { return true; }) |
1 | 949 |
|
950 |
// Iterators |
|
951 |
void do_local_static_fields(FieldClosure* cl); |
|
952 |
void do_nonstatic_fields(FieldClosure* cl); // including inherited fields |
|
23872
536c66fc43d3
8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents:
23515
diff
changeset
|
953 |
void do_local_static_fields(void f(fieldDescriptor*, Handle, TRAPS), Handle, TRAPS); |
1 | 954 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
955 |
void methods_do(void f(Method* method)); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
956 |
void array_klasses_do(void f(Klass* k)); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
957 |
void array_klasses_do(void f(Klass* k, TRAPS), TRAPS); |
1 | 958 |
bool super_types_do(SuperTypeClosure* blk); |
959 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
960 |
static InstanceKlass* cast(Klass* k) { |
34666 | 961 |
return const_cast<InstanceKlass*>(cast(const_cast<const Klass*>(k))); |
962 |
} |
|
963 |
||
964 |
static const InstanceKlass* cast(const Klass* k) { |
|
33602 | 965 |
assert(k != NULL, "k should not be null"); |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
966 |
assert(k->is_instance_klass(), "cast to InstanceKlass"); |
34666 | 967 |
return static_cast<const InstanceKlass*>(k); |
1 | 968 |
} |
969 |
||
14385 | 970 |
InstanceKlass* java_super() const { |
971 |
return (super() == NULL) ? NULL : cast(super()); |
|
972 |
} |
|
973 |
||
1 | 974 |
// Sizing (in words) |
35898
ddc274f0052f
8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
coleenp
parents:
35877
diff
changeset
|
975 |
static int header_size() { return sizeof(InstanceKlass)/wordSize; } |
15601 | 976 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
977 |
static int size(int vtable_length, int itable_length, |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
978 |
int nonstatic_oop_map_size, |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
979 |
bool is_interface, bool is_anonymous) { |
35898
ddc274f0052f
8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
coleenp
parents:
35877
diff
changeset
|
980 |
return align_metadata_size(header_size() + |
35847
990c61a50f24
8143608: Don't 64-bit align start of InstanceKlass vtable, itable, and nonstatic_oopmap on 32-bit systems
cjplummer
parents:
35135
diff
changeset
|
981 |
vtable_length + |
990c61a50f24
8143608: Don't 64-bit align start of InstanceKlass vtable, itable, and nonstatic_oopmap on 32-bit systems
cjplummer
parents:
35135
diff
changeset
|
982 |
itable_length + |
990c61a50f24
8143608: Don't 64-bit align start of InstanceKlass vtable, itable, and nonstatic_oopmap on 32-bit systems
cjplummer
parents:
35135
diff
changeset
|
983 |
nonstatic_oop_map_size + |
35898
ddc274f0052f
8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
coleenp
parents:
35877
diff
changeset
|
984 |
(is_interface ? (int)sizeof(Klass*)/wordSize : 0) + |
ddc274f0052f
8145628: hotspot metadata classes shouldn't use HeapWordSize or heap related macros like align_object_size
coleenp
parents:
35877
diff
changeset
|
985 |
(is_anonymous ? (int)sizeof(Klass*)/wordSize : 0)); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
986 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
987 |
int size() const { return size(vtable_length(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
988 |
itable_length(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
989 |
nonstatic_oop_map_size(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
990 |
is_interface(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
991 |
is_anonymous()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
992 |
} |
15437 | 993 |
#if INCLUDE_SERVICES |
994 |
virtual void collect_statistics(KlassSizeStats *sz) const; |
|
995 |
#endif |
|
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
996 |
|
35900 | 997 |
intptr_t* start_of_itable() const { return (intptr_t*)start_of_vtable() + vtable_length(); } |
998 |
intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); } |
|
999 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1000 |
int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; } |
1 | 1001 |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
1002 |
address static_field_addr(int offset); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
222
diff
changeset
|
1003 |
|
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
222
diff
changeset
|
1004 |
OopMapBlock* start_of_nonstatic_oop_maps() const { |
35847
990c61a50f24
8143608: Don't 64-bit align start of InstanceKlass vtable, itable, and nonstatic_oopmap on 32-bit systems
cjplummer
parents:
35135
diff
changeset
|
1005 |
return (OopMapBlock*)(start_of_itable() + itable_length()); |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
222
diff
changeset
|
1006 |
} |
1 | 1007 |
|
15601 | 1008 |
Klass** end_of_nonstatic_oop_maps() const { |
1009 |
return (Klass**)(start_of_nonstatic_oop_maps() + |
|
1010 |
nonstatic_oop_map_count()); |
|
1011 |
} |
|
1012 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1013 |
Klass** adr_implementor() const { |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1014 |
if (is_interface()) { |
15601 | 1015 |
return (Klass**)end_of_nonstatic_oop_maps(); |
12369
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1016 |
} else { |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1017 |
return NULL; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1018 |
} |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1019 |
}; |
48fd3da4025c
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents:
12231
diff
changeset
|
1020 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1021 |
Klass** adr_host_klass() const { |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1022 |
if (is_anonymous()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1023 |
Klass** adr_impl = adr_implementor(); |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1024 |
if (adr_impl != NULL) { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1025 |
return adr_impl + 1; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1026 |
} else { |
15601 | 1027 |
return end_of_nonstatic_oop_maps(); |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1028 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1029 |
} else { |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1030 |
return NULL; |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1031 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1032 |
} |
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1033 |
|
1 | 1034 |
// Use this to return the size of an instance in heap words: |
1035 |
int size_helper() const { |
|
1036 |
return layout_helper_to_size_helper(layout_helper()); |
|
1037 |
} |
|
1038 |
||
1039 |
// This bit is initialized in classFileParser.cpp. |
|
1040 |
// It is false under any of the following conditions: |
|
1041 |
// - the class is abstract (including any interface) |
|
1042 |
// - the class has a finalizer (if !RegisterFinalizersAtInit) |
|
1043 |
// - the class size is larger than FastAllocateSizeLimit |
|
1044 |
// - the class is java/lang/Class, which cannot be allocated directly |
|
1045 |
bool can_be_fastpath_allocated() const { |
|
1046 |
return !layout_helper_needs_slow_path(layout_helper()); |
|
1047 |
} |
|
1048 |
||
35900 | 1049 |
// Java itable |
1 | 1050 |
klassItable* itable() const; // return new klassItable wrapper |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1051 |
Method* method_at_itable(Klass* holder, int index, TRAPS); |
1 | 1052 |
|
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
1053 |
#if INCLUDE_JVMTI |
29316
5287df8a8972
8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale
sspitsyn
parents:
28738
diff
changeset
|
1054 |
void adjust_default_methods(InstanceKlass* holder, bool* trace_name_printed); |
20391
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
1055 |
#endif // INCLUDE_JVMTI |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
acorn
parents:
20379
diff
changeset
|
1056 |
|
33576
6dbde58b08a6
8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries
stefank
parents:
33151
diff
changeset
|
1057 |
void clean_weak_instanceklass_links(BoolObjectClosure* is_alive); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1058 |
void clean_implementors_list(BoolObjectClosure* is_alive); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1059 |
void clean_method_data(BoolObjectClosure* is_alive); |
1 | 1060 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1061 |
// Explicit metaspace deallocation of fields |
15935
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1062 |
// For RedefineClasses and class file parsing errors, we need to deallocate |
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1063 |
// instanceKlasses and the metadata they point to. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1064 |
void deallocate_contents(ClassLoaderData* loader_data); |
15935
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1065 |
static void deallocate_methods(ClassLoaderData* loader_data, |
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1066 |
Array<Method*>* methods); |
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1067 |
void static deallocate_interfaces(ClassLoaderData* loader_data, |
34666 | 1068 |
const Klass* super_klass, |
15935
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1069 |
Array<Klass*>* local_interfaces, |
50da9e5eb858
8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents:
15930
diff
changeset
|
1070 |
Array<Klass*>* transitive_interfaces); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1071 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1072 |
// The constant pool is on stack if any of the methods are executing or |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1073 |
// referenced by handles. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1074 |
bool on_stack() const { return _constants->on_stack(); } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1075 |
|
17075
b53332c50aba
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
17029
diff
changeset
|
1076 |
// callbacks for actions during class unloading |
b53332c50aba
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
17029
diff
changeset
|
1077 |
static void notify_unload_class(InstanceKlass* ik); |
b53332c50aba
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
17029
diff
changeset
|
1078 |
static void release_C_heap_structures(InstanceKlass* ik); |
1 | 1079 |
|
1080 |
// Naming |
|
4094
1f424b2b2171
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
3824
diff
changeset
|
1081 |
const char* signature_name() const; |
36508 | 1082 |
static const jbyte* package_from_name(const Symbol* name, int& length); |
1 | 1083 |
|
30150
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1084 |
// GC specific object visitors |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1085 |
// |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1086 |
// Mark Sweep |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1087 |
int oop_ms_adjust_pointers(oop obj); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1088 |
#if INCLUDE_ALL_GCS |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1089 |
// Parallel Scavenge |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1090 |
void oop_ps_push_contents( oop obj, PSPromotionManager* pm); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1091 |
// Parallel Compact |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1092 |
void oop_pc_follow_contents(oop obj, ParCompactionManager* cm); |
35877
a2a62511d0f8
8146987: Improve Parallel GC Full GC by caching results of live_words_in_range()
tschatzl
parents:
35871
diff
changeset
|
1093 |
void oop_pc_update_pointers(oop obj, ParCompactionManager* cm); |
30150
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1094 |
#endif |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1095 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1096 |
// Oop fields (and metadata) iterators |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1097 |
// [nv = true] Use non-virtual calls to do_oop_nv. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1098 |
// [nv = false] Use virtual calls to do_oop. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1099 |
// |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1100 |
// The InstanceKlass iterators also visits the Object's klass. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1101 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1102 |
// Forward iteration |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1103 |
public: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1104 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1105 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1106 |
inline void oop_oop_iterate_oop_maps(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1107 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1108 |
protected: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1109 |
// Iterate over all oop fields and metadata. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1110 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1111 |
inline int oop_oop_iterate(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1112 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1113 |
private: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1114 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1115 |
// Specialized for [T = oop] or [T = narrowOop]. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1116 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1117 |
inline void oop_oop_iterate_oop_maps_specialized(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1118 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1119 |
// Iterate over all oop fields in one oop map. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1120 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1121 |
inline void oop_oop_iterate_oop_map(OopMapBlock* map, oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1122 |
|
1 | 1123 |
|
30150
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1124 |
// Reverse iteration |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1125 |
#if INCLUDE_ALL_GCS |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1126 |
public: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1127 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1128 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1129 |
inline void oop_oop_iterate_oop_maps_reverse(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1130 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1131 |
protected: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1132 |
// Iterate over all oop fields and metadata. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1133 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1134 |
inline int oop_oop_iterate_reverse(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1135 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1136 |
private: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1137 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1138 |
// Specialized for [T = oop] or [T = narrowOop]. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1139 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1140 |
inline void oop_oop_iterate_oop_maps_specialized_reverse(oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1141 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1142 |
// Iterate over all oop fields in one oop map. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1143 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1144 |
inline void oop_oop_iterate_oop_map_reverse(OopMapBlock* map, oop obj, OopClosureType* closure); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1145 |
#endif |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1146 |
|
1 | 1147 |
|
30150
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1148 |
// Bounded range iteration |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1149 |
public: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1150 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1151 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1152 |
inline void oop_oop_iterate_oop_maps_bounded(oop obj, OopClosureType* closure, MemRegion mr); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1153 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1154 |
protected: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1155 |
// Iterate over all oop fields and metadata. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1156 |
template <bool nv, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1157 |
inline int oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1158 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1159 |
private: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1160 |
// Iterate over all oop fields in the oop maps. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1161 |
// Specialized for [T = oop] or [T = narrowOop]. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1162 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1163 |
inline void oop_oop_iterate_oop_maps_specialized_bounded(oop obj, OopClosureType* closure, MemRegion mr); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1164 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1165 |
// Iterate over all oop fields in one oop map. |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1166 |
template <bool nv, typename T, class OopClosureType> |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1167 |
inline void oop_oop_iterate_oop_map_bounded(OopMapBlock* map, oop obj, OopClosureType* closure, MemRegion mr); |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1168 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1169 |
|
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1170 |
public: |
d9c940aa42ef
8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
stefank
parents:
29698
diff
changeset
|
1171 |
|
30880
efe35e08179f
8080746: Refactor oop iteration macros to be more general
sjohanss
parents:
30764
diff
changeset
|
1172 |
ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL) |
efe35e08179f
8080746: Refactor oop iteration macros to be more general
sjohanss
parents:
30764
diff
changeset
|
1173 |
ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL) |
1374
4c24294029a9
6711316: Open source the Garbage-First garbage collector
ysr
parents:
360
diff
changeset
|
1174 |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15202
diff
changeset
|
1175 |
#if INCLUDE_ALL_GCS |
30880
efe35e08179f
8080746: Refactor oop iteration macros to be more general
sjohanss
parents:
30764
diff
changeset
|
1176 |
ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL_BACKWARDS) |
efe35e08179f
8080746: Refactor oop iteration macros to be more general
sjohanss
parents:
30764
diff
changeset
|
1177 |
ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL_BACKWARDS) |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
15202
diff
changeset
|
1178 |
#endif // INCLUDE_ALL_GCS |
1 | 1179 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1180 |
u2 idnum_allocated_count() const { return _idnum_allocated_count; } |
17078
a37993c37937
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
17075
diff
changeset
|
1181 |
|
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1182 |
public: |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1183 |
void set_in_error_state() { |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1184 |
assert(DumpSharedSpaces, "only call this when dumping archive"); |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1185 |
_init_state = initialization_error; |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1186 |
} |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1187 |
bool check_sharing_error_state(); |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1188 |
|
1 | 1189 |
private: |
1190 |
// initialization state |
|
1191 |
#ifdef ASSERT |
|
1192 |
void set_init_state(ClassState state); |
|
1193 |
#else |
|
11407
5399831730cd
7117052: instanceKlass::_init_state can be u1 type
coleenp
parents:
11405
diff
changeset
|
1194 |
void set_init_state(ClassState state) { _init_state = (u1)state; } |
1 | 1195 |
#endif |
12587
8f819769ca1b
7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support.
jiangli
parents:
12377
diff
changeset
|
1196 |
void set_rewritten() { _misc_flags |= _misc_rewritten; } |
1 | 1197 |
void set_init_thread(Thread *thread) { _init_thread = thread; } |
1198 |
||
3824
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
1199 |
// The RedefineClasses() API can cause new method idnums to be needed |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
1200 |
// which will cause the caches to grow. Safety requires different |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
1201 |
// cache management logic if the caches can grow instead of just |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
1202 |
// going from NULL to non-NULL. |
86e9e4b25bdf
6419370: 4/4 new jmethodID code has tiny holes in synchronization
dcubed
parents:
3822
diff
changeset
|
1203 |
bool idnum_can_increment() const { return has_been_redefined(); } |
1 | 1204 |
jmethodID* methods_jmethod_ids_acquire() const |
1205 |
{ return (jmethodID*)OrderAccess::load_ptr_acquire(&_methods_jmethod_ids); } |
|
1206 |
void release_set_methods_jmethod_ids(jmethodID* jmeths) |
|
1207 |
{ OrderAccess::release_store_ptr(&_methods_jmethod_ids, jmeths); } |
|
1208 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1209 |
// Lock during initialization |
17078
a37993c37937
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
17075
diff
changeset
|
1210 |
public: |
17826
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
1211 |
// Lock for (1) initialization; (2) access to the ConstantPool of this class. |
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
1212 |
// Must be one per class and it has to be a VM internal object so java code |
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
1213 |
// cannot lock it (like the mirror). |
9ad5cd464a75
8003421: NPG: Move oops out of InstanceKlass into mirror
coleenp
parents:
17370
diff
changeset
|
1214 |
// It has to be an object not a Mutex because it's held through java calls. |
20379
a4c59d30d67d
8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries
coleenp
parents:
20065
diff
changeset
|
1215 |
oop init_lock() const; |
17078
a37993c37937
8008962: NPG: Memory regression: One extra Monitor per ConstantPool
iklam
parents:
17075
diff
changeset
|
1216 |
private: |
21079
7028d0cb9b49
8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread
iklam
parents:
20391
diff
changeset
|
1217 |
void fence_and_clear_init_lock(); |
1 | 1218 |
|
1219 |
// Static methods that are used to implement member methods where an exposed this pointer |
|
1220 |
// is needed due to possible GCs |
|
23515
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1221 |
static bool link_class_impl (instanceKlassHandle this_k, bool throw_verifyerror, TRAPS); |
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1222 |
static bool verify_code (instanceKlassHandle this_k, bool throw_verifyerror, TRAPS); |
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1223 |
static void initialize_impl (instanceKlassHandle this_k, TRAPS); |
27402
5c4675ddc00c
8043275: Fix interface initialization for default methods.
acorn
parents:
26558
diff
changeset
|
1224 |
static void initialize_super_interfaces (instanceKlassHandle this_k, TRAPS); |
23515
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1225 |
static void eager_initialize_impl (instanceKlassHandle this_k); |
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1226 |
static void set_initialization_state_and_notify_impl (instanceKlassHandle this_k, ClassState state, TRAPS); |
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1227 |
static void call_class_initializer_impl (instanceKlassHandle this_k, TRAPS); |
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1228 |
static Klass* array_klass_impl (instanceKlassHandle this_k, bool or_null, int n, TRAPS); |
23872
536c66fc43d3
8028497: SIGSEGV at ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)
coleenp
parents:
23515
diff
changeset
|
1229 |
static void do_local_static_fields_impl (instanceKlassHandle this_k, void f(fieldDescriptor* fd, Handle, TRAPS), Handle, TRAPS); |
1 | 1230 |
/* jni_id_for_impl for jfieldID only */ |
23515
f4872ef5df09
8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents:
22916
diff
changeset
|
1231 |
static JNIid* jni_id_for_impl (instanceKlassHandle this_k, int offset); |
1 | 1232 |
|
1233 |
// Returns the array class for the n'th dimension |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1234 |
Klass* array_klass_impl(bool or_null, int n, TRAPS); |
1 | 1235 |
|
1236 |
// Returns the array class with this class as element type |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1237 |
Klass* array_klass_impl(bool or_null, TRAPS); |
1 | 1238 |
|
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
23872
diff
changeset
|
1239 |
// find a local method (returns NULL if not found) |
34666 | 1240 |
Method* find_method_impl(const Symbol* name, |
1241 |
const Symbol* signature, |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1242 |
OverpassLookupMode overpass_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1243 |
StaticLookupMode static_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1244 |
PrivateLookupMode private_mode) const; |
34666 | 1245 |
|
1246 |
static Method* find_method_impl(const Array<Method*>* methods, |
|
1247 |
const Symbol* name, |
|
1248 |
const Symbol* signature, |
|
32189
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1249 |
OverpassLookupMode overpass_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1250 |
StaticLookupMode static_mode, |
5264b560ab1b
8087342: Crash in klassItable::initialize_itable_for_interface
acorn
parents:
31046
diff
changeset
|
1251 |
PrivateLookupMode private_mode); |
23999
22eb7be3d99d
8033150: invokestatic: IncompatibleClassChangeError trying to invoke static method from a parent in presence of conflicting defaults.
lfoltan
parents:
23872
diff
changeset
|
1252 |
|
17075
b53332c50aba
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
17029
diff
changeset
|
1253 |
// Free CHeap allocated fields. |
b53332c50aba
8011803: release_C_heap_structures is never called for anonymous classes.
coleenp
parents:
17029
diff
changeset
|
1254 |
void release_C_heap_structures(); |
26558
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
1255 |
|
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
1256 |
// RedefineClasses support |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
1257 |
void link_previous_versions(InstanceKlass* pv) { _previous_versions = pv; } |
b7df27df6384
8055008: Clean up code that saves the previous versions of redefined classes
coleenp
parents:
26135
diff
changeset
|
1258 |
void mark_newly_obsolete_methods(Array<Method*>* old_methods, int emcp_method_count); |
1 | 1259 |
public: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1260 |
// CDS support - remove and restore oops from metadata. Oops are not shared. |
1 | 1261 |
virtual void remove_unshareable_info(); |
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
25492
diff
changeset
|
1262 |
virtual void restore_unshareable_info(ClassLoaderData* loader_data, Handle protection_domain, TRAPS); |
1 | 1263 |
|
1264 |
// jvm support |
|
1265 |
jint compute_modifier_flags(TRAPS) const; |
|
1266 |
||
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
15935
diff
changeset
|
1267 |
// JSR-292 support |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
15935
diff
changeset
|
1268 |
MemberNameTable* member_names() { return _member_names; } |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
15935
diff
changeset
|
1269 |
void set_member_names(MemberNameTable* member_names) { _member_names = member_names; } |
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27478
diff
changeset
|
1270 |
bool add_member_name(Handle member_name); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
15935
diff
changeset
|
1271 |
|
1 | 1272 |
public: |
1273 |
// JVMTI support |
|
1274 |
jint jvmti_class_status() const; |
|
1275 |
||
1276 |
public: |
|
1277 |
// Printing |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1278 |
#ifndef PRODUCT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1279 |
void print_on(outputStream* st) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1280 |
#endif |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1281 |
void print_value_on(outputStream* st) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1282 |
|
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4496
diff
changeset
|
1283 |
void oop_print_value_on(oop obj, outputStream* st); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1284 |
|
4584
e2a449e8cc6f
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
4496
diff
changeset
|
1285 |
#ifndef PRODUCT |
1 | 1286 |
void oop_print_on (oop obj, outputStream* st); |
1287 |
||
1288 |
void print_dependent_nmethods(bool verbose = false); |
|
1289 |
bool is_dependent_nmethod(nmethod* nm); |
|
1290 |
#endif |
|
1291 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1292 |
const char* internal_name() const; |
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|
1293 |
|
1 | 1294 |
// Verification |
22794
f1c014ad3754
8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
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22757
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changeset
|
1295 |
void verify_on(outputStream* st); |
13728
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|
1296 |
|
1 | 1297 |
void oop_verify_on(oop obj, outputStream* st); |
35917
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35900
diff
changeset
|
1298 |
|
463d67f86eaa
8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents:
35900
diff
changeset
|
1299 |
// Logging |
36508 | 1300 |
void print_loading_log(LogLevel::type type, ClassLoaderData* loader_data, |
1301 |
const char* module_name, const ClassFileStream* cfs) const; |
|
1 | 1302 |
}; |
1303 |
||
1304 |
// for adding methods |
|
1305 |
// UNSET_IDNUM return means no more ids available |
|
13728
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|
1306 |
inline u2 InstanceKlass::next_method_idnum() { |
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6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1307 |
if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1308 |
return ConstMethod::UNSET_IDNUM; // no more ids available |
1 | 1309 |
} else { |
1310 |
return _idnum_allocated_count++; |
|
1311 |
} |
|
1312 |
} |
|
1313 |
||
1314 |
||
1315 |
/* JNIid class for jfieldIDs only */ |
|
13195 | 1316 |
class JNIid: public CHeapObj<mtClass> { |
1 | 1317 |
friend class VMStructs; |
1318 |
private: |
|
13728
882756847a04
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changeset
|
1319 |
Klass* _holder; |
1 | 1320 |
JNIid* _next; |
1321 |
int _offset; |
|
1322 |
#ifdef ASSERT |
|
1323 |
bool _is_static_field_id; |
|
1324 |
#endif |
|
1325 |
||
1326 |
public: |
|
1327 |
// Accessors |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1328 |
Klass* holder() const { return _holder; } |
1 | 1329 |
int offset() const { return _offset; } |
1330 |
JNIid* next() { return _next; } |
|
1331 |
// Constructor |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1332 |
JNIid(Klass* holder, int offset, JNIid* next); |
1 | 1333 |
// Identifier lookup |
1334 |
JNIid* find(int offset); |
|
1335 |
||
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
1336 |
bool find_local_field(fieldDescriptor* fd) { |
13728
882756847a04
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changeset
|
1337 |
return InstanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd); |
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
1338 |
} |
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
1339 |
|
1 | 1340 |
static void deallocate(JNIid* id); |
1341 |
// Debugging |
|
1342 |
#ifdef ASSERT |
|
1343 |
bool is_static_field_id() const { return _is_static_field_id; } |
|
1344 |
void set_is_static_field_id() { _is_static_field_id = true; } |
|
1345 |
#endif |
|
13728
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|
1346 |
void verify(Klass* holder); |
1 | 1347 |
}; |
1348 |
||
12231
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7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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|
1349 |
// An iterator that's used to access the inner classes indices in the |
13728
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|
1350 |
// InstanceKlass::_inner_classes array. |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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changeset
|
1351 |
class InnerClassesIterator : public StackObj { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
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changeset
|
1352 |
private: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1353 |
Array<jushort>* _inner_classes; |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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parents:
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diff
changeset
|
1354 |
int _length; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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parents:
11731
diff
changeset
|
1355 |
int _idx; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
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diff
changeset
|
1356 |
public: |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
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diff
changeset
|
1357 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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diff
changeset
|
1358 |
InnerClassesIterator(instanceKlassHandle k) { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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diff
changeset
|
1359 |
_inner_classes = k->inner_classes(); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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diff
changeset
|
1360 |
if (k->inner_classes() != NULL) { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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diff
changeset
|
1361 |
_length = _inner_classes->length(); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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diff
changeset
|
1362 |
// The inner class array's length should be the multiple of |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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parents:
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diff
changeset
|
1363 |
// inner_class_next_offset if it only contains the InnerClasses |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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parents:
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diff
changeset
|
1364 |
// attribute data, or it should be |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
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parents:
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diff
changeset
|
1365 |
// n*inner_class_next_offset+enclosing_method_attribute_size |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1366 |
// if it also contains the EnclosingMethod data. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13201
diff
changeset
|
1367 |
assert((_length % InstanceKlass::inner_class_next_offset == 0 || |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
13201
diff
changeset
|
1368 |
_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size), |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1369 |
"just checking"); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1370 |
// Remove the enclosing_method portion if exists. |
13728
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6964458: Reimplement class meta-data storage to use native memory
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13201
diff
changeset
|
1371 |
if (_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1372 |
_length -= InstanceKlass::enclosing_method_attribute_size; |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1373 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1374 |
} else { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1375 |
_length = 0; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1376 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1377 |
_idx = 0; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1378 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1379 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1380 |
int length() const { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1381 |
return _length; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1382 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1383 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1384 |
void next() { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1385 |
_idx += InstanceKlass::inner_class_next_offset; |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1386 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1387 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1388 |
bool done() const { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1389 |
return (_idx >= _length); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1390 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1391 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1392 |
u2 inner_class_info_index() const { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1393 |
return _inner_classes->at( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1394 |
_idx + InstanceKlass::inner_class_inner_class_info_offset); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1395 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1396 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1397 |
void set_inner_class_info_index(u2 index) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1398 |
_inner_classes->at_put( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1399 |
_idx + InstanceKlass::inner_class_inner_class_info_offset, index); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1400 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1401 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1402 |
u2 outer_class_info_index() const { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1403 |
return _inner_classes->at( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1404 |
_idx + InstanceKlass::inner_class_outer_class_info_offset); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1405 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1406 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1407 |
void set_outer_class_info_index(u2 index) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1408 |
_inner_classes->at_put( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1409 |
_idx + InstanceKlass::inner_class_outer_class_info_offset, index); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1410 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1411 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1412 |
u2 inner_name_index() const { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1413 |
return _inner_classes->at( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1414 |
_idx + InstanceKlass::inner_class_inner_name_offset); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1415 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1416 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1417 |
void set_inner_name_index(u2 index) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1418 |
_inner_classes->at_put( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1419 |
_idx + InstanceKlass::inner_class_inner_name_offset, index); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1420 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1421 |
|
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
11731
diff
changeset
|
1422 |
u2 inner_access_flags() const { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1423 |
return _inner_classes->at( |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13201
diff
changeset
|
1424 |
_idx + InstanceKlass::inner_class_access_flags_offset); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
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diff
changeset
|
1425 |
} |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
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diff
changeset
|
1426 |
}; |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
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changeset
|
1427 |
|
7397 | 1428 |
#endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP |