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

annotate src/share/vm/oops/constantPool.cpp @ 7949:5daaddd917a1

8006040: NPG: on_stack processing wastes space in ConstantPool Summary: Added on_stack bit to flags. Also MetadataMarkOnStack is used for more than JVMTI so had to be moved. Reviewed-by: dholmes, stefank

author	coleenp
date	Wed, 23 Jan 2013 10:34:29 -0500
parents	b14da2e6f2dc
children	edd76a5856f7 16fb9f942703

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
7624 b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition coleenp parents: 7185 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1142 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1142 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1142 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	25 #include "precompiled.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	26 #include "classfile/classLoaderData.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	27 #include "classfile/javaClasses.hpp"
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	28 #include "classfile/metadataOnStackMark.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	29 #include "classfile/symbolTable.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	30 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	31 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	32 #include "interpreter/linkResolver.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	33 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	34 #include "memory/oopFactory.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	35 #include "oops/constantPool.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	36 #include "oops/instanceKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	37 #include "oops/objArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	38 #include "runtime/fieldType.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	39 #include "runtime/init.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	40 #include "runtime/javaCalls.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	41 #include "runtime/signature.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	42 #include "runtime/vframe.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	43
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	44 ConstantPool* ConstantPool::allocate(ClassLoaderData* loader_data, int length, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	45 // Tags are RW but comment below applies to tags also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	46 Array<u1>* tags = MetadataFactory::new_writeable_array<u1>(loader_data, length, 0, CHECK_NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	47
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	48 int size = ConstantPool::size(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	49
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	50 // CDS considerations:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	51 // Allocate read-write but may be able to move to read-only at dumping time
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	52 // if all the klasses are resolved. The only other field that is writable is
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	53 // the resolved_references array, which is recreated at startup time.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	54 // But that could be moved to InstanceKlass (although a pain to access from
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	55 // assembly code). Maybe it could be moved to the cpCache which is RW.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	56 return new (loader_data, size, false, THREAD) ConstantPool(tags);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	57 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	58
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	59 ConstantPool::ConstantPool(Array<u1>* tags) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	60 set_length(tags->length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	61 set_tags(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	62 set_cache(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	63 set_reference_map(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	64 set_resolved_references(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	65 set_operands(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	66 set_pool_holder(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	67 set_flags(0);
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	68
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	69 // only set to non-zero if constant pool is merged by RedefineClasses
7624 b14da2e6f2dc 7174978: NPG: Fix bactrace builder for class redefinition coleenp parents: 7185 diff changeset	70 set_version(0);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	71 set_lock(new Monitor(Monitor::nonleaf + 2, "A constant pool lock"));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	72
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	73 // initialize tag array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	74 int length = tags->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	75 for (int index = 0; index < length; index++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	76 tags->at_put(index, JVM_CONSTANT_Invalid);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	77 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	78 set_tags(tags);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	79 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	80
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	81 void ConstantPool::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	82 MetadataFactory::free_metadata(loader_data, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	83 set_cache(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	84 MetadataFactory::free_array<jushort>(loader_data, operands());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	85 set_operands(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	86
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	87 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	88
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	89 // free tag array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	90 MetadataFactory::free_array<u1>(loader_data, tags());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	91 set_tags(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	92 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	93
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	94 void ConstantPool::release_C_heap_structures() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	95 // walk constant pool and decrement symbol reference counts
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	96 unreference_symbols();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	97
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	98 delete _lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	99 set_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	100 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	101
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	102 objArrayOop ConstantPool::resolved_references() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	103 return (objArrayOop)JNIHandles::resolve(_resolved_references);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	104 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	105
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	106 // Create resolved_references array and mapping array for original cp indexes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	107 // The ldc bytecode was rewritten to have the resolved reference array index so need a way
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	108 // to map it back for resolving and some unlikely miscellaneous uses.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	109 // The objects created by invokedynamic are appended to this list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	110 void ConstantPool::initialize_resolved_references(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	111 intStack reference_map,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	112 int constant_pool_map_length,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	113 TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	114 // Initialized the resolved object cache.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	115 int map_length = reference_map.length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	116 if (map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	117 // Only need mapping back to constant pool entries. The map isn't used for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	118 // invokedynamic resolved_reference entries. The constant pool cache index
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	119 // has the mapping back to both the constant pool and to the resolved
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	120 // reference index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	121 if (constant_pool_map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	122 Array<u2>* om = MetadataFactory::new_array<u2>(loader_data, map_length, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	123
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	124 for (int i = 0; i < constant_pool_map_length; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	125 int x = reference_map.at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	126 assert(x == (int)(jushort) x, "klass index is too big");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	127 om->at_put(i, (jushort)x);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	128 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	129 set_reference_map(om);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	130 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	131
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	132 // Create Java array for holding resolved strings, methodHandles,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	133 // methodTypes, invokedynamic and invokehandle appendix objects, etc.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	134 objArrayOop stom = oopFactory::new_objArray(SystemDictionary::Object_klass(), map_length, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	135 Handle refs_handle (THREAD, (oop)stom); // must handleize.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	136 set_resolved_references(loader_data->add_handle(refs_handle));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	137 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	138 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	139
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	140 // CDS support. Create a new resolved_references array.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	141 void ConstantPool::restore_unshareable_info(TRAPS) {
6733 fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	142
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	143 // restore the C++ vtable from the shared archive
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	144 restore_vtable();
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	145
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	146 if (SystemDictionary::Object_klass_loaded()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	147 // Recreate the object array and add to ClassLoaderData.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	148 int map_length = resolved_reference_length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	149 if (map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	150 objArrayOop stom = oopFactory::new_objArray(SystemDictionary::Object_klass(), map_length, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	151 Handle refs_handle (THREAD, (oop)stom); // must handleize.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	152
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	153 ClassLoaderData* loader_data = pool_holder()->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	154 set_resolved_references(loader_data->add_handle(refs_handle));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	155 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	156
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	157 // Also need to recreate the mutex. Make sure this matches the constructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	158 set_lock(new Monitor(Monitor::nonleaf + 2, "A constant pool lock"));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	159 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	160 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	161
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	162 void ConstantPool::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	163 // Resolved references are not in the shared archive.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	164 // Save the length for restoration. It is not necessarily the same length
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	165 // as reference_map.length() if invokedynamic is saved.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	166 set_resolved_reference_length(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	167 resolved_references() != NULL ? resolved_references()->length() : 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	168 set_resolved_references(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	169 set_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	170 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	171
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	172 int ConstantPool::cp_to_object_index(int cp_index) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	173 // this is harder don't do this so much.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	174 for (int i = 0; i< reference_map()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	175 if (reference_map()->at(i) == cp_index) return i;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	176 // Zero entry is divider between constant pool indices for strings,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	177 // method handles and method types. After that the index is a constant
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	178 // pool cache index for invokedynamic. Stop when zero (which can never
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	179 // be a constant pool index)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	180 if (reference_map()->at(i) == 0) break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	181 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	182 // We might not find the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	183 return _no_index_sentinel;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	184 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	185
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	186 Klass* ConstantPool::klass_at_impl(constantPoolHandle this_oop, int which, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 // A resolved constantPool entry will contain a Klass, otherwise a Symbol.
0 a61af66fc99e Initial load duke parents: diff changeset	188 // It is not safe to rely on the tag bit's here, since we don't have a lock, and the entry and
a61af66fc99e Initial load duke parents: diff changeset	189 // tag is not updated atomicly.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	190
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	191 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	192 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 assert(entry.get_klass()->is_klass(), "must be");
0 a61af66fc99e Initial load duke parents: diff changeset	194 // Already resolved - return entry.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	195 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	196 }
a61af66fc99e Initial load duke parents: diff changeset	197
a61af66fc99e Initial load duke parents: diff changeset	198 // Acquire lock on constant oop while doing update. After we get the lock, we check if another object
a61af66fc99e Initial load duke parents: diff changeset	199 // already has updated the object
a61af66fc99e Initial load duke parents: diff changeset	200 assert(THREAD->is_Java_thread(), "must be a Java thread");
a61af66fc99e Initial load duke parents: diff changeset	201 bool do_resolve = false;
a61af66fc99e Initial load duke parents: diff changeset	202 bool in_error = false;
a61af66fc99e Initial load duke parents: diff changeset	203
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	204 // Create a handle for the mirror. This will preserve the resolved class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	205 // until the loader_data is registered.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	206 Handle mirror_handle;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	207
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	208 Symbol* name = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	209 Handle loader;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	210 { MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	211
a61af66fc99e Initial load duke parents: diff changeset	212 if (this_oop->tag_at(which).is_unresolved_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	213 if (this_oop->tag_at(which).is_unresolved_klass_in_error()) {
a61af66fc99e Initial load duke parents: diff changeset	214 in_error = true;
a61af66fc99e Initial load duke parents: diff changeset	215 } else {
a61af66fc99e Initial load duke parents: diff changeset	216 do_resolve = true;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	217 name = this_oop->unresolved_klass_at(which);
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	218 loader = Handle(THREAD, this_oop->pool_holder()->class_loader());
0 a61af66fc99e Initial load duke parents: diff changeset	219 }
a61af66fc99e Initial load duke parents: diff changeset	220 }
a61af66fc99e Initial load duke parents: diff changeset	221 } // unlocking constantPool
a61af66fc99e Initial load duke parents: diff changeset	222
a61af66fc99e Initial load duke parents: diff changeset	223
a61af66fc99e Initial load duke parents: diff changeset	224 // The original attempt to resolve this constant pool entry failed so find the
a61af66fc99e Initial load duke parents: diff changeset	225 // original error and throw it again (JVMS 5.4.3).
a61af66fc99e Initial load duke parents: diff changeset	226 if (in_error) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	227 Symbol* error = SystemDictionary::find_resolution_error(this_oop, which);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	228 guarantee(error != (Symbol*)NULL, "tag mismatch with resolution error table");
0 a61af66fc99e Initial load duke parents: diff changeset	229 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	230 // exception text will be the class name
a61af66fc99e Initial load duke parents: diff changeset	231 const char* className = this_oop->unresolved_klass_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	232 THROW_MSG_0(error, className);
a61af66fc99e Initial load duke parents: diff changeset	233 }
a61af66fc99e Initial load duke parents: diff changeset	234
a61af66fc99e Initial load duke parents: diff changeset	235 if (do_resolve) {
a61af66fc99e Initial load duke parents: diff changeset	236 // this_oop must be unlocked during resolve_or_fail
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	237 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	238 Handle h_prot (THREAD, protection_domain);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	239 Klass* k_oop = SystemDictionary::resolve_or_fail(name, loader, h_prot, true, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	240 KlassHandle k;
a61af66fc99e Initial load duke parents: diff changeset	241 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	242 k = KlassHandle(THREAD, k_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	243 // preserve the resolved klass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 mirror_handle = Handle(THREAD, k_oop->java_mirror());
0 a61af66fc99e Initial load duke parents: diff changeset	245 // Do access check for klasses
a61af66fc99e Initial load duke parents: diff changeset	246 verify_constant_pool_resolve(this_oop, k, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	247 }
a61af66fc99e Initial load duke parents: diff changeset	248
a61af66fc99e Initial load duke parents: diff changeset	249 // Failed to resolve class. We must record the errors so that subsequent attempts
a61af66fc99e Initial load duke parents: diff changeset	250 // to resolve this constant pool entry fail with the same error (JVMS 5.4.3).
a61af66fc99e Initial load duke parents: diff changeset	251 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	252 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	253 Symbol* error = PENDING_EXCEPTION->klass()->name();
0 a61af66fc99e Initial load duke parents: diff changeset	254
a61af66fc99e Initial load duke parents: diff changeset	255 bool throw_orig_error = false;
a61af66fc99e Initial load duke parents: diff changeset	256 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	257 MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	258
a61af66fc99e Initial load duke parents: diff changeset	259 // some other thread has beaten us and has resolved the class.
a61af66fc99e Initial load duke parents: diff changeset	260 if (this_oop->tag_at(which).is_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	261 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	262 entry = this_oop->resolved_klass_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	263 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	264 }
a61af66fc99e Initial load duke parents: diff changeset	265
a61af66fc99e Initial load duke parents: diff changeset	266 if (!PENDING_EXCEPTION->
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1059 diff changeset	267 is_a(SystemDictionary::LinkageError_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	268 // Just throw the exception and don't prevent these classes from
a61af66fc99e Initial load duke parents: diff changeset	269 // being loaded due to virtual machine errors like StackOverflow
a61af66fc99e Initial load duke parents: diff changeset	270 // and OutOfMemoryError, etc, or if the thread was hit by stop()
a61af66fc99e Initial load duke parents: diff changeset	271 // Needs clarification to section 5.4.3 of the VM spec (see 6308271)
a61af66fc99e Initial load duke parents: diff changeset	272 }
a61af66fc99e Initial load duke parents: diff changeset	273 else if (!this_oop->tag_at(which).is_unresolved_klass_in_error()) {
a61af66fc99e Initial load duke parents: diff changeset	274 SystemDictionary::add_resolution_error(this_oop, which, error);
a61af66fc99e Initial load duke parents: diff changeset	275 this_oop->tag_at_put(which, JVM_CONSTANT_UnresolvedClassInError);
a61af66fc99e Initial load duke parents: diff changeset	276 } else {
a61af66fc99e Initial load duke parents: diff changeset	277 // some other thread has put the class in error state.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	278 error = SystemDictionary::find_resolution_error(this_oop, which);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	279 assert(error != NULL, "checking");
0 a61af66fc99e Initial load duke parents: diff changeset	280 throw_orig_error = true;
a61af66fc99e Initial load duke parents: diff changeset	281 }
a61af66fc99e Initial load duke parents: diff changeset	282 } // unlocked
a61af66fc99e Initial load duke parents: diff changeset	283
a61af66fc99e Initial load duke parents: diff changeset	284 if (throw_orig_error) {
a61af66fc99e Initial load duke parents: diff changeset	285 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	286 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	287 const char* className = this_oop->unresolved_klass_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	288 THROW_MSG_0(error, className);
a61af66fc99e Initial load duke parents: diff changeset	289 }
a61af66fc99e Initial load duke parents: diff changeset	290
a61af66fc99e Initial load duke parents: diff changeset	291 return 0;
a61af66fc99e Initial load duke parents: diff changeset	292 }
a61af66fc99e Initial load duke parents: diff changeset	293
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	294 if (TraceClassResolution && !k()->oop_is_array()) {
0 a61af66fc99e Initial load duke parents: diff changeset	295 // skip resolving the constant pool so that this code get's
a61af66fc99e Initial load duke parents: diff changeset	296 // called the next time some bytecodes refer to this class.
a61af66fc99e Initial load duke parents: diff changeset	297 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	298 int line_number = -1;
a61af66fc99e Initial load duke parents: diff changeset	299 const char * source_file = NULL;
a61af66fc99e Initial load duke parents: diff changeset	300 if (JavaThread::current()->has_last_Java_frame()) {
a61af66fc99e Initial load duke parents: diff changeset	301 // try to identify the method which called this function.
a61af66fc99e Initial load duke parents: diff changeset	302 vframeStream vfst(JavaThread::current());
a61af66fc99e Initial load duke parents: diff changeset	303 if (!vfst.at_end()) {
a61af66fc99e Initial load duke parents: diff changeset	304 line_number = vfst.method()->line_number_from_bci(vfst.bci());
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	305 Symbol* s = vfst.method()->method_holder()->source_file_name();
0 a61af66fc99e Initial load duke parents: diff changeset	306 if (s != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	307 source_file = s->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	308 }
a61af66fc99e Initial load duke parents: diff changeset	309 }
a61af66fc99e Initial load duke parents: diff changeset	310 }
a61af66fc99e Initial load duke parents: diff changeset	311 if (k() != this_oop->pool_holder()) {
a61af66fc99e Initial load duke parents: diff changeset	312 // only print something if the classes are different
a61af66fc99e Initial load duke parents: diff changeset	313 if (source_file != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	314 tty->print("RESOLVE %s %s %s:%d\n",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	315 this_oop->pool_holder()->external_name(),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	316 InstanceKlass::cast(k())->external_name(), source_file, line_number);
0 a61af66fc99e Initial load duke parents: diff changeset	317 } else {
a61af66fc99e Initial load duke parents: diff changeset	318 tty->print("RESOLVE %s %s\n",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	319 this_oop->pool_holder()->external_name(),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	320 InstanceKlass::cast(k())->external_name());
0 a61af66fc99e Initial load duke parents: diff changeset	321 }
a61af66fc99e Initial load duke parents: diff changeset	322 }
a61af66fc99e Initial load duke parents: diff changeset	323 return k();
a61af66fc99e Initial load duke parents: diff changeset	324 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	325 MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	326 // Only updated constant pool - if it is resolved.
a61af66fc99e Initial load duke parents: diff changeset	327 do_resolve = this_oop->tag_at(which).is_unresolved_klass();
a61af66fc99e Initial load duke parents: diff changeset	328 if (do_resolve) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	329 ClassLoaderData* this_key = this_oop->pool_holder()->class_loader_data();
7185 90273fc0a981 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap coleenp parents: 6940 diff changeset	330 this_key->record_dependency(k(), CHECK_NULL); // Can throw OOM
0 a61af66fc99e Initial load duke parents: diff changeset	331 this_oop->klass_at_put(which, k());
a61af66fc99e Initial load duke parents: diff changeset	332 }
a61af66fc99e Initial load duke parents: diff changeset	333 }
a61af66fc99e Initial load duke parents: diff changeset	334 }
a61af66fc99e Initial load duke parents: diff changeset	335
a61af66fc99e Initial load duke parents: diff changeset	336 entry = this_oop->resolved_klass_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	337 assert(entry.is_resolved() && entry.get_klass()->is_klass(), "must be resolved at this point");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	338 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	339 }
a61af66fc99e Initial load duke parents: diff changeset	340
a61af66fc99e Initial load duke parents: diff changeset	341
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	342 // Does not update ConstantPool* - to avoid any exception throwing. Used
0 a61af66fc99e Initial load duke parents: diff changeset	343 // by compiler and exception handling. Also used to avoid classloads for
a61af66fc99e Initial load duke parents: diff changeset	344 // instanceof operations. Returns NULL if the class has not been loaded or
a61af66fc99e Initial load duke parents: diff changeset	345 // if the verification of constant pool failed
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	346 Klass* ConstantPool::klass_at_if_loaded(constantPoolHandle this_oop, int which) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	347 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	348 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	349 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	350 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	351 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352 assert(entry.is_unresolved(), "must be either symbol or klass");
0 a61af66fc99e Initial load duke parents: diff changeset	353 Thread *thread = Thread::current();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	354 Symbol* name = entry.get_symbol();
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	355 oop loader = this_oop->pool_holder()->class_loader();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	356 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	357 Handle h_prot (thread, protection_domain);
a61af66fc99e Initial load duke parents: diff changeset	358 Handle h_loader (thread, loader);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	359 Klass* k = SystemDictionary::find(name, h_loader, h_prot, thread);
0 a61af66fc99e Initial load duke parents: diff changeset	360
a61af66fc99e Initial load duke parents: diff changeset	361 if (k != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	362 // Make sure that resolving is legal
a61af66fc99e Initial load duke parents: diff changeset	363 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	364 KlassHandle klass(THREAD, k);
a61af66fc99e Initial load duke parents: diff changeset	365 // return NULL if verification fails
a61af66fc99e Initial load duke parents: diff changeset	366 verify_constant_pool_resolve(this_oop, klass, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	367 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	368 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	369 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	370 }
a61af66fc99e Initial load duke parents: diff changeset	371 return klass();
a61af66fc99e Initial load duke parents: diff changeset	372 } else {
a61af66fc99e Initial load duke parents: diff changeset	373 return k;
a61af66fc99e Initial load duke parents: diff changeset	374 }
a61af66fc99e Initial load duke parents: diff changeset	375 }
a61af66fc99e Initial load duke parents: diff changeset	376 }
a61af66fc99e Initial load duke parents: diff changeset	377
a61af66fc99e Initial load duke parents: diff changeset	378
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379 Klass* ConstantPool::klass_ref_at_if_loaded(constantPoolHandle this_oop, int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	380 return klass_at_if_loaded(this_oop, this_oop->klass_ref_index_at(which));
a61af66fc99e Initial load duke parents: diff changeset	381 }
a61af66fc99e Initial load duke parents: diff changeset	382
a61af66fc99e Initial load duke parents: diff changeset	383
a61af66fc99e Initial load duke parents: diff changeset	384 // This is an interface for the compiler that allows accessing non-resolved entries
a61af66fc99e Initial load duke parents: diff changeset	385 // in the constant pool - but still performs the validations tests. Must be used
a61af66fc99e Initial load duke parents: diff changeset	386 // in a pre-parse of the compiler - to determine what it can do and not do.
a61af66fc99e Initial load duke parents: diff changeset	387 // Note: We cannot update the ConstantPool from the vm_thread.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 Klass* ConstantPool::klass_ref_at_if_loaded_check(constantPoolHandle this_oop, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	389 int which = this_oop->klass_ref_index_at(index);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	390 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	391 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	394 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	395 assert(entry.is_unresolved(), "must be either symbol or klass");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	396 Symbol* name = entry.get_symbol();
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	397 oop loader = this_oop->pool_holder()->class_loader();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	398 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	399 Handle h_loader(THREAD, loader);
a61af66fc99e Initial load duke parents: diff changeset	400 Handle h_prot (THREAD, protection_domain);
a61af66fc99e Initial load duke parents: diff changeset	401 KlassHandle k(THREAD, SystemDictionary::find(name, h_loader, h_prot, THREAD));
a61af66fc99e Initial load duke parents: diff changeset	402
a61af66fc99e Initial load duke parents: diff changeset	403 // Do access check for klasses
a61af66fc99e Initial load duke parents: diff changeset	404 if( k.not_null() ) verify_constant_pool_resolve(this_oop, k, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	405 return k();
a61af66fc99e Initial load duke parents: diff changeset	406 }
a61af66fc99e Initial load duke parents: diff changeset	407 }
a61af66fc99e Initial load duke parents: diff changeset	408
a61af66fc99e Initial load duke parents: diff changeset	409
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	410 Method* ConstantPool::method_at_if_loaded(constantPoolHandle cpool,
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	411 int which) {
4862 f457154eee8b 7140882: Don't return booleans from methods returning pointers brutisso parents: 3960 diff changeset	412 if (cpool->cache() == NULL) return NULL; // nothing to load yet
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	413 int cache_index = decode_cpcache_index(which, true);
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	414 if (!(cache_index >= 0 && cache_index < cpool->cache()->length())) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	415 // FIXME: should be an assert
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	416 if (PrintMiscellaneous && (Verbose\|\|WizardMode)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	417 tty->print_cr("bad operand %d in:", which); cpool->print();
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	418 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	419 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	420 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	421 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	422 return e->method_if_resolved(cpool);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	423 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	424
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	425
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	426 bool ConstantPool::has_appendix_at_if_loaded(constantPoolHandle cpool, int which) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	427 if (cpool->cache() == NULL) return false; // nothing to load yet
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	428 int cache_index = decode_cpcache_index(which, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	429 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	430 return e->has_appendix();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	431 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	432
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	433 oop ConstantPool::appendix_at_if_loaded(constantPoolHandle cpool, int which) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	434 if (cpool->cache() == NULL) return NULL; // nothing to load yet
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	435 int cache_index = decode_cpcache_index(which, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	436 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	437 return e->appendix_if_resolved(cpool);
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	438 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	439
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	440
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	441 bool ConstantPool::has_method_type_at_if_loaded(constantPoolHandle cpool, int which) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	442 if (cpool->cache() == NULL) return false; // nothing to load yet
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	443 int cache_index = decode_cpcache_index(which, true);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	444 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	445 return e->has_method_type();
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	446 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	447
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	448 oop ConstantPool::method_type_at_if_loaded(constantPoolHandle cpool, int which) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	449 if (cpool->cache() == NULL) return NULL; // nothing to load yet
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	450 int cache_index = decode_cpcache_index(which, true);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	451 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	452 return e->method_type_if_resolved(cpool);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	453 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	454
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	455
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	456 Symbol* ConstantPool::impl_name_ref_at(int which, bool uncached) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	457 int name_index = name_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
0 a61af66fc99e Initial load duke parents: diff changeset	458 return symbol_at(name_index);
a61af66fc99e Initial load duke parents: diff changeset	459 }
a61af66fc99e Initial load duke parents: diff changeset	460
a61af66fc99e Initial load duke parents: diff changeset	461
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	462 Symbol* ConstantPool::impl_signature_ref_at(int which, bool uncached) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	463 int signature_index = signature_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
0 a61af66fc99e Initial load duke parents: diff changeset	464 return symbol_at(signature_index);
a61af66fc99e Initial load duke parents: diff changeset	465 }
a61af66fc99e Initial load duke parents: diff changeset	466
a61af66fc99e Initial load duke parents: diff changeset	467
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	468 int ConstantPool::impl_name_and_type_ref_index_at(int which, bool uncached) {
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	469 int i = which;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	470 if (!uncached && cache() != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	471 if (ConstantPool::is_invokedynamic_index(which)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	472 // Invokedynamic index is index into resolved_references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	473 int pool_index = invokedynamic_cp_cache_entry_at(which)->constant_pool_index();
2460 ed69575596ac 6981791: remove experimental code for JSR 292 jrose parents: 2376 diff changeset	474 pool_index = invoke_dynamic_name_and_type_ref_index_at(pool_index);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	475 assert(tag_at(pool_index).is_name_and_type(), "");
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	476 return pool_index;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	477 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	478 // change byte-ordering and go via cache
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	479 i = remap_instruction_operand_from_cache(which);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	480 } else {
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	481 if (tag_at(which).is_invoke_dynamic()) {
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	482 int pool_index = invoke_dynamic_name_and_type_ref_index_at(which);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	483 assert(tag_at(pool_index).is_name_and_type(), "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	484 return pool_index;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	485 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	486 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	487 assert(tag_at(i).is_field_or_method(), "Corrupted constant pool");
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	488 assert(!tag_at(i).is_invoke_dynamic(), "Must be handled above");
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	489 jint ref_index = *int_at_addr(i);
0 a61af66fc99e Initial load duke parents: diff changeset	490 return extract_high_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	491 }
a61af66fc99e Initial load duke parents: diff changeset	492
a61af66fc99e Initial load duke parents: diff changeset	493
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	494 int ConstantPool::impl_klass_ref_index_at(int which, bool uncached) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	495 guarantee(!ConstantPool::is_invokedynamic_index(which),
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	496 "an invokedynamic instruction does not have a klass");
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	497 int i = which;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	498 if (!uncached && cache() != NULL) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	499 // change byte-ordering and go via cache
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	500 i = remap_instruction_operand_from_cache(which);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	501 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	502 assert(tag_at(i).is_field_or_method(), "Corrupted constant pool");
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	503 jint ref_index = *int_at_addr(i);
0 a61af66fc99e Initial load duke parents: diff changeset	504 return extract_low_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	505 }
a61af66fc99e Initial load duke parents: diff changeset	506
a61af66fc99e Initial load duke parents: diff changeset	507
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	508
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	509 int ConstantPool::remap_instruction_operand_from_cache(int operand) {
1565 ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	510 int cpc_index = operand;
ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	511 DEBUG_ONLY(cpc_index -= CPCACHE_INDEX_TAG);
ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	512 assert((int)(u2)cpc_index == cpc_index, "clean u2");
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	513 int member_index = cache()->entry_at(cpc_index)->constant_pool_index();
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	514 return member_index;
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	515 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	516
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	517
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	518 void ConstantPool::verify_constant_pool_resolve(constantPoolHandle this_oop, KlassHandle k, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	519 if (k->oop_is_instance() \|\| k->oop_is_objArray()) {
a61af66fc99e Initial load duke parents: diff changeset	520 instanceKlassHandle holder (THREAD, this_oop->pool_holder());
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6733 diff changeset	521 Klass* elem_oop = k->oop_is_instance() ? k() : ObjArrayKlass::cast(k())->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	522 KlassHandle element (THREAD, elem_oop);
a61af66fc99e Initial load duke parents: diff changeset	523
a61af66fc99e Initial load duke parents: diff changeset	524 // The element type could be a typeArray - we only need the access check if it is
a61af66fc99e Initial load duke parents: diff changeset	525 // an reference to another class
a61af66fc99e Initial load duke parents: diff changeset	526 if (element->oop_is_instance()) {
a61af66fc99e Initial load duke parents: diff changeset	527 LinkResolver::check_klass_accessability(holder, element, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	528 }
a61af66fc99e Initial load duke parents: diff changeset	529 }
a61af66fc99e Initial load duke parents: diff changeset	530 }
a61af66fc99e Initial load duke parents: diff changeset	531
a61af66fc99e Initial load duke parents: diff changeset	532
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	533 int ConstantPool::name_ref_index_at(int which_nt) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	534 jint ref_index = name_and_type_at(which_nt);
0 a61af66fc99e Initial load duke parents: diff changeset	535 return extract_low_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	536 }
a61af66fc99e Initial load duke parents: diff changeset	537
a61af66fc99e Initial load duke parents: diff changeset	538
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	539 int ConstantPool::signature_ref_index_at(int which_nt) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	540 jint ref_index = name_and_type_at(which_nt);
0 a61af66fc99e Initial load duke parents: diff changeset	541 return extract_high_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	542 }
a61af66fc99e Initial load duke parents: diff changeset	543
a61af66fc99e Initial load duke parents: diff changeset	544
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	545 Klass* ConstantPool::klass_ref_at(int which, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	546 return klass_at(klass_ref_index_at(which), CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	547 }
a61af66fc99e Initial load duke parents: diff changeset	548
a61af66fc99e Initial load duke parents: diff changeset	549
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	550 Symbol* ConstantPool::klass_name_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	551 assert(tag_at(which).is_unresolved_klass() \|\| tag_at(which).is_klass(),
a61af66fc99e Initial load duke parents: diff changeset	552 "Corrupted constant pool");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	553 // A resolved constantPool entry will contain a Klass, otherwise a Symbol.
0 a61af66fc99e Initial load duke parents: diff changeset	554 // It is not safe to rely on the tag bit's here, since we don't have a lock, and the entry and
a61af66fc99e Initial load duke parents: diff changeset	555 // tag is not updated atomicly.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	556 CPSlot entry = slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	557 if (entry.is_resolved()) {
0 a61af66fc99e Initial load duke parents: diff changeset	558 // Already resolved - return entry's name.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	559 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	560 return entry.get_klass()->name();
0 a61af66fc99e Initial load duke parents: diff changeset	561 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	562 assert(entry.is_unresolved(), "must be either symbol or klass");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	563 return entry.get_symbol();
0 a61af66fc99e Initial load duke parents: diff changeset	564 }
a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	567 Symbol* ConstantPool::klass_ref_at_noresolve(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	568 jint ref_index = klass_ref_index_at(which);
a61af66fc99e Initial load duke parents: diff changeset	569 return klass_at_noresolve(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	570 }
a61af66fc99e Initial load duke parents: diff changeset	571
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	572 Symbol* ConstantPool::uncached_klass_ref_at_noresolve(int which) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	573 jint ref_index = uncached_klass_ref_index_at(which);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	574 return klass_at_noresolve(ref_index);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	575 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	576
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	577 char* ConstantPool::string_at_noresolve(int which) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	578 Symbol* s = unresolved_string_at(which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	579 if (s == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	580 return (char*)"<pseudo-string>";
0 a61af66fc99e Initial load duke parents: diff changeset	581 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	582 return unresolved_string_at(which)->as_C_string();
0 a61af66fc99e Initial load duke parents: diff changeset	583 }
a61af66fc99e Initial load duke parents: diff changeset	584 }
a61af66fc99e Initial load duke parents: diff changeset	585
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	586 BasicType ConstantPool::basic_type_for_signature_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	587 return FieldType::basic_type(symbol_at(which));
a61af66fc99e Initial load duke parents: diff changeset	588 }
a61af66fc99e Initial load duke parents: diff changeset	589
a61af66fc99e Initial load duke parents: diff changeset	590
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	591 void ConstantPool::resolve_string_constants_impl(constantPoolHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	592 for (int index = 1; index < this_oop->length(); index++) { // Index 0 is unused
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	593 if (this_oop->tag_at(index).is_string()) {
0 a61af66fc99e Initial load duke parents: diff changeset	594 this_oop->string_at(index, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	595 }
a61af66fc99e Initial load duke parents: diff changeset	596 }
a61af66fc99e Initial load duke parents: diff changeset	597 }
a61af66fc99e Initial load duke parents: diff changeset	598
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	599 // Resolve all the classes in the constant pool. If they are all resolved,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	600 // the constant pool is read-only. Enhancement: allocate cp entries to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	601 // another metaspace, and copy to read-only or read-write space if this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	602 // bit is set.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	603 bool ConstantPool::resolve_class_constants(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	604 constantPoolHandle cp(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	605 for (int index = 1; index < length(); index++) { // Index 0 is unused
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	606 if (tag_at(index).is_unresolved_klass() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	607 klass_at_if_loaded(cp, index) == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	608 return false;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	609 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	610 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	611 // set_preresolution(); or some bit for future use
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	612 return true;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	613 }
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	614
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	615 // If resolution for MethodHandle or MethodType fails, save the exception
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	616 // in the resolution error table, so that the same exception is thrown again.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	617 void ConstantPool::save_and_throw_exception(constantPoolHandle this_oop, int which,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	618 int tag, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	619 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	620 Symbol* error = PENDING_EXCEPTION->klass()->name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	621 MonitorLockerEx ml(this_oop->lock()); // lock cpool to change tag.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	622
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	623 int error_tag = (tag == JVM_CONSTANT_MethodHandle) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	624 JVM_CONSTANT_MethodHandleInError : JVM_CONSTANT_MethodTypeInError;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	625
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	626 if (!PENDING_EXCEPTION->
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	627 is_a(SystemDictionary::LinkageError_klass())) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	628 // Just throw the exception and don't prevent these classes from
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	629 // being loaded due to virtual machine errors like StackOverflow
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	630 // and OutOfMemoryError, etc, or if the thread was hit by stop()
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	631 // Needs clarification to section 5.4.3 of the VM spec (see 6308271)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	632
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	633 } else if (this_oop->tag_at(which).value() != error_tag) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	634 SystemDictionary::add_resolution_error(this_oop, which, error);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	635 this_oop->tag_at_put(which, error_tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	636 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	637 // some other thread has put the class in error state.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	638 error = SystemDictionary::find_resolution_error(this_oop, which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	639 assert(error != NULL, "checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	640 CLEAR_PENDING_EXCEPTION;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	641 THROW_MSG(error, "");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	642 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	643 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	644
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	645
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	646 // Called to resolve constants in the constant pool and return an oop.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	647 // Some constant pool entries cache their resolved oop. This is also
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	648 // called to create oops from constants to use in arguments for invokedynamic
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	649 oop ConstantPool::resolve_constant_at_impl(constantPoolHandle this_oop, int index, int cache_index, TRAPS) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	650 oop result_oop = NULL;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	651 Handle throw_exception;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	652
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	653 if (cache_index == _possible_index_sentinel) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	654 // It is possible that this constant is one which is cached in the objects.
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	655 // We'll do a linear search. This should be OK because this usage is rare.
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	656 assert(index > 0, "valid index");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	657 cache_index = this_oop->cp_to_object_index(index);
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	658 }
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	659 assert(cache_index == _no_index_sentinel \|\| cache_index >= 0, "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	660 assert(index == _no_index_sentinel \|\| index >= 0, "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	661
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	662 if (cache_index >= 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	663 result_oop = this_oop->resolved_references()->obj_at(cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	664 if (result_oop != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	665 return result_oop;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	666 // That was easy...
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	667 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	668 index = this_oop->object_to_cp_index(cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	669 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	670
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	671 jvalue prim_value; // temp used only in a few cases below
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	672
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	673 int tag_value = this_oop->tag_at(index).value();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	674
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	675 switch (tag_value) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	676
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	677 case JVM_CONSTANT_UnresolvedClass:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	678 case JVM_CONSTANT_UnresolvedClassInError:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	679 case JVM_CONSTANT_Class:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	680 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	681 assert(cache_index == _no_index_sentinel, "should not have been set");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	682 Klass* resolved = klass_at_impl(this_oop, index, CHECK_NULL);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	683 // ldc wants the java mirror.
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2332 diff changeset	684 result_oop = resolved->java_mirror();
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	685 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	686 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	687
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	688 case JVM_CONSTANT_String:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	689 assert(cache_index != _no_index_sentinel, "should have been set");
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	690 if (this_oop->is_pseudo_string_at(index)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	691 result_oop = this_oop->pseudo_string_at(index, cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	692 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	693 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	694 result_oop = string_at_impl(this_oop, index, cache_index, CHECK_NULL);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	695 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	696
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	697 case JVM_CONSTANT_Object:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	698 result_oop = this_oop->object_at(index);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	699 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	700
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	701 case JVM_CONSTANT_MethodHandleInError:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	702 case JVM_CONSTANT_MethodTypeInError:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	703 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	704 Symbol* error = SystemDictionary::find_resolution_error(this_oop, index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	705 guarantee(error != (Symbol*)NULL, "tag mismatch with resolution error table");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	706 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	707 THROW_MSG_0(error, "");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	708 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	709 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	710
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	711 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	712 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	713 int ref_kind = this_oop->method_handle_ref_kind_at(index);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	714 int callee_index = this_oop->method_handle_klass_index_at(index);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	715 Symbol* name = this_oop->method_handle_name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	716 Symbol* signature = this_oop->method_handle_signature_ref_at(index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	717 if (PrintMiscellaneous)
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	718 tty->print_cr("resolve JVM_CONSTANT_MethodHandle:%d [%d/%d/%d] %s.%s",
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	719 ref_kind, index, this_oop->method_handle_index_at(index),
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	720 callee_index, name->as_C_string(), signature->as_C_string());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	721 KlassHandle callee;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	722 { Klass* k = klass_at_impl(this_oop, callee_index, CHECK_NULL);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	723 callee = KlassHandle(THREAD, k);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	724 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	725 KlassHandle klass(THREAD, this_oop->pool_holder());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	726 Handle value = SystemDictionary::link_method_handle_constant(klass, ref_kind,
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	727 callee, name, signature,
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	728 THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	729 result_oop = value();
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	730 if (HAS_PENDING_EXCEPTION) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	731 save_and_throw_exception(this_oop, index, tag_value, CHECK_NULL);
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	732 }
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	733 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	734 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	735
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	736 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	737 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	738 Symbol* signature = this_oop->method_type_signature_at(index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	739 if (PrintMiscellaneous)
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	740 tty->print_cr("resolve JVM_CONSTANT_MethodType [%d/%d] %s",
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	741 index, this_oop->method_type_index_at(index),
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	742 signature->as_C_string());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	743 KlassHandle klass(THREAD, this_oop->pool_holder());
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	744 Handle value = SystemDictionary::find_method_handle_type(signature, klass, THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	745 result_oop = value();
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	746 if (HAS_PENDING_EXCEPTION) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	747 save_and_throw_exception(this_oop, index, tag_value, CHECK_NULL);
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	748 }
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	749 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	750 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	751
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	752 case JVM_CONSTANT_Integer:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	753 assert(cache_index == _no_index_sentinel, "should not have been set");
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	754 prim_value.i = this_oop->int_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	755 result_oop = java_lang_boxing_object::create(T_INT, &prim_value, CHECK_NULL);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	756 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	757
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	758 case JVM_CONSTANT_Float:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	759 assert(cache_index == _no_index_sentinel, "should not have been set");
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	760 prim_value.f = this_oop->float_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	761 result_oop = java_lang_boxing_object::create(T_FLOAT, &prim_value, CHECK_NULL);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	762 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	763
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	764 case JVM_CONSTANT_Long:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	765 assert(cache_index == _no_index_sentinel, "should not have been set");
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	766 prim_value.j = this_oop->long_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	767 result_oop = java_lang_boxing_object::create(T_LONG, &prim_value, CHECK_NULL);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	768 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	769
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	770 case JVM_CONSTANT_Double:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	771 assert(cache_index == _no_index_sentinel, "should not have been set");
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	772 prim_value.d = this_oop->double_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	773 result_oop = java_lang_boxing_object::create(T_DOUBLE, &prim_value, CHECK_NULL);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	774 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	775
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	776 default:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	777 DEBUG_ONLY( tty->print_cr("*** %p: tag at CP[%d/%d] = %d",
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	778 this_oop(), index, cache_index, tag_value) );
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	779 assert(false, "unexpected constant tag");
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	780 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	781 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	782
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	783 if (cache_index >= 0) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	784 // Cache the oop here also.
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	785 Handle result_handle(THREAD, result_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	786 MonitorLockerEx ml(this_oop->lock()); // don't know if we really need this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	787 oop result = this_oop->resolved_references()->obj_at(cache_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	788 // Benign race condition: resolved_references may already be filled in while we were trying to lock.
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	789 // The important thing here is that all threads pick up the same result.
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	790 // It doesn't matter which racing thread wins, as long as only one
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	791 // result is used by all threads, and all future queries.
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	792 // That result may be either a resolved constant or a failure exception.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	793 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	794 this_oop->resolved_references()->obj_at_put(cache_index, result_handle());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	795 return result_handle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	796 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	797 // Return the winning thread's result. This can be different than
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	798 // result_handle() for MethodHandles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	799 return result;
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	800 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	801 } else {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	802 return result_oop;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	803 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	804 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	805
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	806 oop ConstantPool::uncached_string_at(int which, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	807 Symbol* sym = unresolved_string_at(which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	808 oop str = StringTable::intern(sym, CHECK_(NULL));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	809 assert(java_lang_String::is_instance(str), "must be string");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	810 return str;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	811 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	812
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	813
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	814 oop ConstantPool::resolve_bootstrap_specifier_at_impl(constantPoolHandle this_oop, int index, TRAPS) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	815 assert(this_oop->tag_at(index).is_invoke_dynamic(), "Corrupted constant pool");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	816
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	817 Handle bsm;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	818 int argc;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	819 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	820 // JVM_CONSTANT_InvokeDynamic is an ordered pair of [bootm, name&type], plus optional arguments
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	821 // The bootm, being a JVM_CONSTANT_MethodHandle, has its own cache entry.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	822 // It is accompanied by the optional arguments.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	823 int bsm_index = this_oop->invoke_dynamic_bootstrap_method_ref_index_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	824 oop bsm_oop = this_oop->resolve_possibly_cached_constant_at(bsm_index, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	825 if (!java_lang_invoke_MethodHandle::is_instance(bsm_oop)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	826 THROW_MSG_NULL(vmSymbols::java_lang_LinkageError(), "BSM not an MethodHandle");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	827 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	828
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	829 // Extract the optional static arguments.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	830 argc = this_oop->invoke_dynamic_argument_count_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	831 if (argc == 0) return bsm_oop;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	832
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	833 bsm = Handle(THREAD, bsm_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	834 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	835
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	836 objArrayHandle info;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	837 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	838 objArrayOop info_oop = oopFactory::new_objArray(SystemDictionary::Object_klass(), 1+argc, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	839 info = objArrayHandle(THREAD, info_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	840 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	841
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	842 info->obj_at_put(0, bsm());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	843 for (int i = 0; i < argc; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	844 int arg_index = this_oop->invoke_dynamic_argument_index_at(index, i);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	845 oop arg_oop = this_oop->resolve_possibly_cached_constant_at(arg_index, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	846 info->obj_at_put(1+i, arg_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	847 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	848
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	849 return info();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	850 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	851
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	852 oop ConstantPool::string_at_impl(constantPoolHandle this_oop, int which, int obj_index, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	853 // If the string has already been interned, this entry will be non-null
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	854 oop str = this_oop->resolved_references()->obj_at(obj_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	855 if (str != NULL) return str;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	856
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	857 Symbol* sym = this_oop->unresolved_string_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	858 str = StringTable::intern(sym, CHECK_(NULL));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	859 this_oop->string_at_put(which, obj_index, str);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	860 assert(java_lang_String::is_instance(str), "must be string");
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	861 return str;
0 a61af66fc99e Initial load duke parents: diff changeset	862 }
a61af66fc99e Initial load duke parents: diff changeset	863
a61af66fc99e Initial load duke parents: diff changeset	864
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	865 bool ConstantPool::klass_name_at_matches(instanceKlassHandle k,
0 a61af66fc99e Initial load duke parents: diff changeset	866 int which) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	867 // Names are interned, so we can compare Symbol*s directly
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	868 Symbol* cp_name = klass_name_at(which);
0 a61af66fc99e Initial load duke parents: diff changeset	869 return (cp_name == k->name());
a61af66fc99e Initial load duke parents: diff changeset	870 }
a61af66fc99e Initial load duke parents: diff changeset	871
a61af66fc99e Initial load duke parents: diff changeset	872
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	873 // Iterate over symbols and decrement ones which are Symbol*s.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	874 // This is done during GC so do not need to lock constantPool unless we
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	875 // have per-thread safepoints.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	876 // Only decrement the UTF8 symbols. Unresolved classes and strings point to
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	877 // these symbols but didn't increment the reference count.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	878 void ConstantPool::unreference_symbols() {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	879 for (int index = 1; index < length(); index++) { // Index 0 is unused
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	880 constantTag tag = tag_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	881 if (tag.is_symbol()) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	882 symbol_at(index)->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	883 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	884 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	885 }
0 a61af66fc99e Initial load duke parents: diff changeset	886
a61af66fc99e Initial load duke parents: diff changeset	887
a61af66fc99e Initial load duke parents: diff changeset	888 // Compare this constant pool's entry at index1 to the constant pool
a61af66fc99e Initial load duke parents: diff changeset	889 // cp2's entry at index2.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	890 bool ConstantPool::compare_entry_to(int index1, constantPoolHandle cp2,
0 a61af66fc99e Initial load duke parents: diff changeset	891 int index2, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	892
a61af66fc99e Initial load duke parents: diff changeset	893 jbyte t1 = tag_at(index1).value();
a61af66fc99e Initial load duke parents: diff changeset	894 jbyte t2 = cp2->tag_at(index2).value();
a61af66fc99e Initial load duke parents: diff changeset	895
a61af66fc99e Initial load duke parents: diff changeset	896
a61af66fc99e Initial load duke parents: diff changeset	897 // JVM_CONSTANT_UnresolvedClassInError is equal to JVM_CONSTANT_UnresolvedClass
a61af66fc99e Initial load duke parents: diff changeset	898 // when comparing
a61af66fc99e Initial load duke parents: diff changeset	899 if (t1 == JVM_CONSTANT_UnresolvedClassInError) {
a61af66fc99e Initial load duke parents: diff changeset	900 t1 = JVM_CONSTANT_UnresolvedClass;
a61af66fc99e Initial load duke parents: diff changeset	901 }
a61af66fc99e Initial load duke parents: diff changeset	902 if (t2 == JVM_CONSTANT_UnresolvedClassInError) {
a61af66fc99e Initial load duke parents: diff changeset	903 t2 = JVM_CONSTANT_UnresolvedClass;
a61af66fc99e Initial load duke parents: diff changeset	904 }
a61af66fc99e Initial load duke parents: diff changeset	905
a61af66fc99e Initial load duke parents: diff changeset	906 if (t1 != t2) {
a61af66fc99e Initial load duke parents: diff changeset	907 // Not the same entry type so there is nothing else to check. Note
a61af66fc99e Initial load duke parents: diff changeset	908 // that this style of checking will consider resolved/unresolved
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	909 // class pairs as different.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	910 // From the ConstantPool* API point of view, this is correct
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	911 // behavior. See VM_RedefineClasses::merge_constant_pools() to see how this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	912 // plays out in the context of ConstantPool* merging.
0 a61af66fc99e Initial load duke parents: diff changeset	913 return false;
a61af66fc99e Initial load duke parents: diff changeset	914 }
a61af66fc99e Initial load duke parents: diff changeset	915
a61af66fc99e Initial load duke parents: diff changeset	916 switch (t1) {
a61af66fc99e Initial load duke parents: diff changeset	917 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	918 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	919 Klass* k1 = klass_at(index1, CHECK_false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	920 Klass* k2 = cp2->klass_at(index2, CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	921 if (k1 == k2) {
a61af66fc99e Initial load duke parents: diff changeset	922 return true;
a61af66fc99e Initial load duke parents: diff changeset	923 }
a61af66fc99e Initial load duke parents: diff changeset	924 } break;
a61af66fc99e Initial load duke parents: diff changeset	925
a61af66fc99e Initial load duke parents: diff changeset	926 case JVM_CONSTANT_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	927 {
a61af66fc99e Initial load duke parents: diff changeset	928 int recur1 = klass_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	929 int recur2 = cp2->klass_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	930 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	931 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	932 return true;
a61af66fc99e Initial load duke parents: diff changeset	933 }
a61af66fc99e Initial load duke parents: diff changeset	934 } break;
a61af66fc99e Initial load duke parents: diff changeset	935
a61af66fc99e Initial load duke parents: diff changeset	936 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	937 {
a61af66fc99e Initial load duke parents: diff changeset	938 jdouble d1 = double_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	939 jdouble d2 = cp2->double_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	940 if (d1 == d2) {
a61af66fc99e Initial load duke parents: diff changeset	941 return true;
a61af66fc99e Initial load duke parents: diff changeset	942 }
a61af66fc99e Initial load duke parents: diff changeset	943 } break;
a61af66fc99e Initial load duke parents: diff changeset	944
a61af66fc99e Initial load duke parents: diff changeset	945 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	946 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	947 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	948 {
a61af66fc99e Initial load duke parents: diff changeset	949 int recur1 = uncached_klass_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	950 int recur2 = cp2->uncached_klass_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	951 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	952 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	953 recur1 = uncached_name_and_type_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	954 recur2 = cp2->uncached_name_and_type_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	955 match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	956 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	957 return true;
a61af66fc99e Initial load duke parents: diff changeset	958 }
a61af66fc99e Initial load duke parents: diff changeset	959 }
a61af66fc99e Initial load duke parents: diff changeset	960 } break;
a61af66fc99e Initial load duke parents: diff changeset	961
a61af66fc99e Initial load duke parents: diff changeset	962 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	963 {
a61af66fc99e Initial load duke parents: diff changeset	964 jfloat f1 = float_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	965 jfloat f2 = cp2->float_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	966 if (f1 == f2) {
a61af66fc99e Initial load duke parents: diff changeset	967 return true;
a61af66fc99e Initial load duke parents: diff changeset	968 }
a61af66fc99e Initial load duke parents: diff changeset	969 } break;
a61af66fc99e Initial load duke parents: diff changeset	970
a61af66fc99e Initial load duke parents: diff changeset	971 case JVM_CONSTANT_Integer:
a61af66fc99e Initial load duke parents: diff changeset	972 {
a61af66fc99e Initial load duke parents: diff changeset	973 jint i1 = int_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	974 jint i2 = cp2->int_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	975 if (i1 == i2) {
a61af66fc99e Initial load duke parents: diff changeset	976 return true;
a61af66fc99e Initial load duke parents: diff changeset	977 }
a61af66fc99e Initial load duke parents: diff changeset	978 } break;
a61af66fc99e Initial load duke parents: diff changeset	979
a61af66fc99e Initial load duke parents: diff changeset	980 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	981 {
a61af66fc99e Initial load duke parents: diff changeset	982 jlong l1 = long_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	983 jlong l2 = cp2->long_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	984 if (l1 == l2) {
a61af66fc99e Initial load duke parents: diff changeset	985 return true;
a61af66fc99e Initial load duke parents: diff changeset	986 }
a61af66fc99e Initial load duke parents: diff changeset	987 } break;
a61af66fc99e Initial load duke parents: diff changeset	988
a61af66fc99e Initial load duke parents: diff changeset	989 case JVM_CONSTANT_NameAndType:
a61af66fc99e Initial load duke parents: diff changeset	990 {
a61af66fc99e Initial load duke parents: diff changeset	991 int recur1 = name_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	992 int recur2 = cp2->name_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	993 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	994 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	995 recur1 = signature_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	996 recur2 = cp2->signature_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	997 match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	998 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	999 return true;
a61af66fc99e Initial load duke parents: diff changeset	1000 }
a61af66fc99e Initial load duke parents: diff changeset	1001 }
a61af66fc99e Initial load duke parents: diff changeset	1002 } break;
a61af66fc99e Initial load duke parents: diff changeset	1003
a61af66fc99e Initial load duke parents: diff changeset	1004 case JVM_CONSTANT_StringIndex:
a61af66fc99e Initial load duke parents: diff changeset	1005 {
a61af66fc99e Initial load duke parents: diff changeset	1006 int recur1 = string_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	1007 int recur2 = cp2->string_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	1008 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	1009 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	1010 return true;
a61af66fc99e Initial load duke parents: diff changeset	1011 }
a61af66fc99e Initial load duke parents: diff changeset	1012 } break;
a61af66fc99e Initial load duke parents: diff changeset	1013
a61af66fc99e Initial load duke parents: diff changeset	1014 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1015 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1016 Symbol* k1 = unresolved_klass_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1017 Symbol* k2 = cp2->unresolved_klass_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1018 if (k1 == k2) {
a61af66fc99e Initial load duke parents: diff changeset	1019 return true;
a61af66fc99e Initial load duke parents: diff changeset	1020 }
a61af66fc99e Initial load duke parents: diff changeset	1021 } break;
a61af66fc99e Initial load duke parents: diff changeset	1022
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1023 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1024 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1025 int k1 = method_type_index_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1026 int k2 = cp2->method_type_index_at(index2);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1027 bool match = compare_entry_to(k1, cp2, k2, CHECK_false);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1028 if (match) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1029 return true;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1030 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1031 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1032
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1033 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1034 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1035 int k1 = method_handle_ref_kind_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1036 int k2 = cp2->method_handle_ref_kind_at(index2);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1037 if (k1 == k2) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1038 int i1 = method_handle_index_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1039 int i2 = cp2->method_handle_index_at(index2);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1040 bool match = compare_entry_to(i1, cp2, i2, CHECK_false);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1041 if (match) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1042 return true;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1043 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1044 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1045 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1046
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1047 case JVM_CONSTANT_InvokeDynamic:
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1048 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1049 int k1 = invoke_dynamic_bootstrap_method_ref_index_at(index1);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1050 int k2 = cp2->invoke_dynamic_bootstrap_method_ref_index_at(index2);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1051 bool match = compare_entry_to(k1, cp2, k2, CHECK_false);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1052 if (!match) return false;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1053 k1 = invoke_dynamic_name_and_type_ref_index_at(index1);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1054 k2 = cp2->invoke_dynamic_name_and_type_ref_index_at(index2);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1055 match = compare_entry_to(k1, cp2, k2, CHECK_false);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1056 if (!match) return false;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1057 int argc = invoke_dynamic_argument_count_at(index1);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1058 if (argc == cp2->invoke_dynamic_argument_count_at(index2)) {
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1059 for (int j = 0; j < argc; j++) {
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1060 k1 = invoke_dynamic_argument_index_at(index1, j);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1061 k2 = cp2->invoke_dynamic_argument_index_at(index2, j);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1062 match = compare_entry_to(k1, cp2, k2, CHECK_false);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1063 if (!match) return false;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1064 }
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1065 return true; // got through loop; all elements equal
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1066 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1067 } break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1068
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1069 case JVM_CONSTANT_String:
0 a61af66fc99e Initial load duke parents: diff changeset	1070 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1071 Symbol* s1 = unresolved_string_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1072 Symbol* s2 = cp2->unresolved_string_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1073 if (s1 == s2) {
a61af66fc99e Initial load duke parents: diff changeset	1074 return true;
a61af66fc99e Initial load duke parents: diff changeset	1075 }
a61af66fc99e Initial load duke parents: diff changeset	1076 } break;
a61af66fc99e Initial load duke parents: diff changeset	1077
a61af66fc99e Initial load duke parents: diff changeset	1078 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1079 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1080 Symbol* s1 = symbol_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1081 Symbol* s2 = cp2->symbol_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1082 if (s1 == s2) {
a61af66fc99e Initial load duke parents: diff changeset	1083 return true;
a61af66fc99e Initial load duke parents: diff changeset	1084 }
a61af66fc99e Initial load duke parents: diff changeset	1085 } break;
a61af66fc99e Initial load duke parents: diff changeset	1086
a61af66fc99e Initial load duke parents: diff changeset	1087 // Invalid is used as the tag for the second constant pool entry
a61af66fc99e Initial load duke parents: diff changeset	1088 // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
a61af66fc99e Initial load duke parents: diff changeset	1089 // not be seen by itself.
a61af66fc99e Initial load duke parents: diff changeset	1090 case JVM_CONSTANT_Invalid: // fall through
a61af66fc99e Initial load duke parents: diff changeset	1091
a61af66fc99e Initial load duke parents: diff changeset	1092 default:
a61af66fc99e Initial load duke parents: diff changeset	1093 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1094 break;
a61af66fc99e Initial load duke parents: diff changeset	1095 }
a61af66fc99e Initial load duke parents: diff changeset	1096
a61af66fc99e Initial load duke parents: diff changeset	1097 return false;
a61af66fc99e Initial load duke parents: diff changeset	1098 } // end compare_entry_to()
a61af66fc99e Initial load duke parents: diff changeset	1099
a61af66fc99e Initial load duke parents: diff changeset	1100
a61af66fc99e Initial load duke parents: diff changeset	1101 // Copy this constant pool's entries at start_i to end_i (inclusive)
a61af66fc99e Initial load duke parents: diff changeset	1102 // to the constant pool to_cp's entries starting at to_i. A total of
a61af66fc99e Initial load duke parents: diff changeset	1103 // (end_i - start_i) + 1 entries are copied.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1104 void ConstantPool::copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i,
0 a61af66fc99e Initial load duke parents: diff changeset	1105 constantPoolHandle to_cp, int to_i, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	1106
a61af66fc99e Initial load duke parents: diff changeset	1107 int dest_i = to_i; // leave original alone for debug purposes
a61af66fc99e Initial load duke parents: diff changeset	1108
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1109 for (int src_i = start_i; src_i <= end_i; /* see loop bottom */ ) {
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1110 copy_entry_to(from_cp, src_i, to_cp, dest_i, CHECK);
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1111
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1112 switch (from_cp->tag_at(src_i).value()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1113 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	1114 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1115 // double and long take two constant pool entries
a61af66fc99e Initial load duke parents: diff changeset	1116 src_i += 2;
a61af66fc99e Initial load duke parents: diff changeset	1117 dest_i += 2;
a61af66fc99e Initial load duke parents: diff changeset	1118 break;
a61af66fc99e Initial load duke parents: diff changeset	1119
a61af66fc99e Initial load duke parents: diff changeset	1120 default:
a61af66fc99e Initial load duke parents: diff changeset	1121 // all others take one constant pool entry
a61af66fc99e Initial load duke parents: diff changeset	1122 src_i++;
a61af66fc99e Initial load duke parents: diff changeset	1123 dest_i++;
a61af66fc99e Initial load duke parents: diff changeset	1124 break;
a61af66fc99e Initial load duke parents: diff changeset	1125 }
a61af66fc99e Initial load duke parents: diff changeset	1126 }
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1127
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1128 int from_oplen = operand_array_length(from_cp->operands());
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1129 int old_oplen = operand_array_length(to_cp->operands());
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1130 if (from_oplen != 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1131 ClassLoaderData* loader_data = to_cp->pool_holder()->class_loader_data();
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1132 // append my operands to the target's operands array
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1133 if (old_oplen == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1134 // Can't just reuse from_cp's operand list because of deallocation issues
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1135 int len = from_cp->operands()->length();
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1136 Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, len, CHECK);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1137 Copy::conjoint_memory_atomic(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1138 from_cp->operands()->adr_at(0), new_ops->adr_at(0), len * sizeof(u2));
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1139 to_cp->set_operands(new_ops);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1140 } else {
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1141 int old_len = to_cp->operands()->length();
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1142 int from_len = from_cp->operands()->length();
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1143 int old_off = old_oplen * sizeof(u2);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1144 int from_off = from_oplen * sizeof(u2);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1145 // Use the metaspace for the destination constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1146 Array<u2>* new_operands = MetadataFactory::new_array<u2>(loader_data, old_len + from_len, CHECK);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1147 int fillp = 0, len = 0;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1148 // first part of dest
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1149 Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1150 new_operands->adr_at(fillp),
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1151 (len = old_off) * sizeof(u2));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1152 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1153 // first part of src
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1154 Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(0),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1155 new_operands->adr_at(fillp),
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1156 (len = from_off) * sizeof(u2));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1157 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1158 // second part of dest
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1159 Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(old_off),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1160 new_operands->adr_at(fillp),
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1161 (len = old_len - old_off) * sizeof(u2));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1162 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1163 // second part of src
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1164 Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(from_off),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1165 new_operands->adr_at(fillp),
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1166 (len = from_len - from_off) * sizeof(u2));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1167 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1168 assert(fillp == new_operands->length(), "");
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1169
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1170 // Adjust indexes in the first part of the copied operands array.
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1171 for (int j = 0; j < from_oplen; j++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1172 int offset = operand_offset_at(new_operands, old_oplen + j);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1173 assert(offset == operand_offset_at(from_cp->operands(), j), "correct copy");
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1174 offset += old_len; // every new tuple is preceded by old_len extra u2's
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1175 operand_offset_at_put(new_operands, old_oplen + j, offset);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1176 }
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1177
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1178 // replace target operands array with combined array
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1179 to_cp->set_operands(new_operands);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1180 }
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1181 }
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1182
0 a61af66fc99e Initial load duke parents: diff changeset	1183 } // end copy_cp_to()
a61af66fc99e Initial load duke parents: diff changeset	1184
a61af66fc99e Initial load duke parents: diff changeset	1185
a61af66fc99e Initial load duke parents: diff changeset	1186 // Copy this constant pool's entry at from_i to the constant pool
a61af66fc99e Initial load duke parents: diff changeset	1187 // to_cp's entry at to_i.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1188 void ConstantPool::copy_entry_to(constantPoolHandle from_cp, int from_i,
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1189 constantPoolHandle to_cp, int to_i,
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1190 TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1191
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1192 int tag = from_cp->tag_at(from_i).value();
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1193 switch (tag) {
0 a61af66fc99e Initial load duke parents: diff changeset	1194 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1195 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1196 Klass* k = from_cp->klass_at(from_i, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	1197 to_cp->klass_at_put(to_i, k);
a61af66fc99e Initial load duke parents: diff changeset	1198 } break;
a61af66fc99e Initial load duke parents: diff changeset	1199
a61af66fc99e Initial load duke parents: diff changeset	1200 case JVM_CONSTANT_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	1201 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1202 jint ki = from_cp->klass_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1203 to_cp->klass_index_at_put(to_i, ki);
a61af66fc99e Initial load duke parents: diff changeset	1204 } break;
a61af66fc99e Initial load duke parents: diff changeset	1205
a61af66fc99e Initial load duke parents: diff changeset	1206 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	1207 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1208 jdouble d = from_cp->double_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1209 to_cp->double_at_put(to_i, d);
a61af66fc99e Initial load duke parents: diff changeset	1210 // double takes two constant pool entries so init second entry's tag
a61af66fc99e Initial load duke parents: diff changeset	1211 to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
a61af66fc99e Initial load duke parents: diff changeset	1212 } break;
a61af66fc99e Initial load duke parents: diff changeset	1213
a61af66fc99e Initial load duke parents: diff changeset	1214 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1215 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1216 int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1217 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1218 to_cp->field_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1219 } break;
a61af66fc99e Initial load duke parents: diff changeset	1220
a61af66fc99e Initial load duke parents: diff changeset	1221 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	1222 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1223 jfloat f = from_cp->float_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1224 to_cp->float_at_put(to_i, f);
a61af66fc99e Initial load duke parents: diff changeset	1225 } break;
a61af66fc99e Initial load duke parents: diff changeset	1226
a61af66fc99e Initial load duke parents: diff changeset	1227 case JVM_CONSTANT_Integer:
a61af66fc99e Initial load duke parents: diff changeset	1228 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1229 jint i = from_cp->int_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1230 to_cp->int_at_put(to_i, i);
a61af66fc99e Initial load duke parents: diff changeset	1231 } break;
a61af66fc99e Initial load duke parents: diff changeset	1232
a61af66fc99e Initial load duke parents: diff changeset	1233 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	1234 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1235 int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1236 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1237 to_cp->interface_method_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1238 } break;
a61af66fc99e Initial load duke parents: diff changeset	1239
a61af66fc99e Initial load duke parents: diff changeset	1240 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1241 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1242 jlong l = from_cp->long_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1243 to_cp->long_at_put(to_i, l);
a61af66fc99e Initial load duke parents: diff changeset	1244 // long takes two constant pool entries so init second entry's tag
a61af66fc99e Initial load duke parents: diff changeset	1245 to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
a61af66fc99e Initial load duke parents: diff changeset	1246 } break;
a61af66fc99e Initial load duke parents: diff changeset	1247
a61af66fc99e Initial load duke parents: diff changeset	1248 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	1249 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1250 int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1251 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1252 to_cp->method_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1253 } break;
a61af66fc99e Initial load duke parents: diff changeset	1254
a61af66fc99e Initial load duke parents: diff changeset	1255 case JVM_CONSTANT_NameAndType:
a61af66fc99e Initial load duke parents: diff changeset	1256 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1257 int name_ref_index = from_cp->name_ref_index_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1258 int signature_ref_index = from_cp->signature_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1259 to_cp->name_and_type_at_put(to_i, name_ref_index, signature_ref_index);
a61af66fc99e Initial load duke parents: diff changeset	1260 } break;
a61af66fc99e Initial load duke parents: diff changeset	1261
a61af66fc99e Initial load duke parents: diff changeset	1262 case JVM_CONSTANT_StringIndex:
a61af66fc99e Initial load duke parents: diff changeset	1263 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1264 jint si = from_cp->string_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1265 to_cp->string_index_at_put(to_i, si);
a61af66fc99e Initial load duke parents: diff changeset	1266 } break;
a61af66fc99e Initial load duke parents: diff changeset	1267
a61af66fc99e Initial load duke parents: diff changeset	1268 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1269 {
2332 fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1270 // Can be resolved after checking tag, so check the slot first.
fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1271 CPSlot entry = from_cp->slot_at(from_i);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1272 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1273 assert(entry.get_klass()->is_klass(), "must be");
2332 fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1274 // Already resolved
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1275 to_cp->klass_at_put(to_i, entry.get_klass());
2332 fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1276 } else {
fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1277 to_cp->unresolved_klass_at_put(to_i, entry.get_symbol());
fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1278 }
0 a61af66fc99e Initial load duke parents: diff changeset	1279 } break;
a61af66fc99e Initial load duke parents: diff changeset	1280
a61af66fc99e Initial load duke parents: diff changeset	1281 case JVM_CONSTANT_UnresolvedClassInError:
a61af66fc99e Initial load duke parents: diff changeset	1282 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1283 Symbol* k = from_cp->unresolved_klass_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1284 to_cp->unresolved_klass_at_put(to_i, k);
a61af66fc99e Initial load duke parents: diff changeset	1285 to_cp->tag_at_put(to_i, JVM_CONSTANT_UnresolvedClassInError);
a61af66fc99e Initial load duke parents: diff changeset	1286 } break;
a61af66fc99e Initial load duke parents: diff changeset	1287
a61af66fc99e Initial load duke parents: diff changeset	1288
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1289 case JVM_CONSTANT_String:
0 a61af66fc99e Initial load duke parents: diff changeset	1290 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1291 Symbol* s = from_cp->unresolved_string_at(from_i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1292 to_cp->unresolved_string_at_put(to_i, s);
0 a61af66fc99e Initial load duke parents: diff changeset	1293 } break;
a61af66fc99e Initial load duke parents: diff changeset	1294
a61af66fc99e Initial load duke parents: diff changeset	1295 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1296 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1297 Symbol* s = from_cp->symbol_at(from_i);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1298 // Need to increase refcount, the old one will be thrown away and deferenced
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1299 s->increment_refcount();
0 a61af66fc99e Initial load duke parents: diff changeset	1300 to_cp->symbol_at_put(to_i, s);
a61af66fc99e Initial load duke parents: diff changeset	1301 } break;
a61af66fc99e Initial load duke parents: diff changeset	1302
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1303 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1304 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1305 jint k = from_cp->method_type_index_at(from_i);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1306 to_cp->method_type_index_at_put(to_i, k);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1307 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1308
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1309 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1310 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1311 int k1 = from_cp->method_handle_ref_kind_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1312 int k2 = from_cp->method_handle_index_at(from_i);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1313 to_cp->method_handle_index_at_put(to_i, k1, k2);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1314 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1315
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1316 case JVM_CONSTANT_InvokeDynamic:
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1317 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1318 int k1 = from_cp->invoke_dynamic_bootstrap_specifier_index(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1319 int k2 = from_cp->invoke_dynamic_name_and_type_ref_index_at(from_i);
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1320 k1 += operand_array_length(to_cp->operands()); // to_cp might already have operands
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1321 to_cp->invoke_dynamic_at_put(to_i, k1, k2);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1322 } break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1323
0 a61af66fc99e Initial load duke parents: diff changeset	1324 // Invalid is used as the tag for the second constant pool entry
a61af66fc99e Initial load duke parents: diff changeset	1325 // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
a61af66fc99e Initial load duke parents: diff changeset	1326 // not be seen by itself.
a61af66fc99e Initial load duke parents: diff changeset	1327 case JVM_CONSTANT_Invalid: // fall through
a61af66fc99e Initial load duke parents: diff changeset	1328
a61af66fc99e Initial load duke parents: diff changeset	1329 default:
a61af66fc99e Initial load duke parents: diff changeset	1330 {
a61af66fc99e Initial load duke parents: diff changeset	1331 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1332 } break;
a61af66fc99e Initial load duke parents: diff changeset	1333 }
a61af66fc99e Initial load duke parents: diff changeset	1334 } // end copy_entry_to()
a61af66fc99e Initial load duke parents: diff changeset	1335
a61af66fc99e Initial load duke parents: diff changeset	1336
a61af66fc99e Initial load duke parents: diff changeset	1337 // Search constant pool search_cp for an entry that matches this
a61af66fc99e Initial load duke parents: diff changeset	1338 // constant pool's entry at pattern_i. Returns the index of a
a61af66fc99e Initial load duke parents: diff changeset	1339 // matching entry or zero (0) if there is no matching entry.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1340 int ConstantPool::find_matching_entry(int pattern_i,
0 a61af66fc99e Initial load duke parents: diff changeset	1341 constantPoolHandle search_cp, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	1342
a61af66fc99e Initial load duke parents: diff changeset	1343 // index zero (0) is not used
a61af66fc99e Initial load duke parents: diff changeset	1344 for (int i = 1; i < search_cp->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	1345 bool found = compare_entry_to(pattern_i, search_cp, i, CHECK_0);
a61af66fc99e Initial load duke parents: diff changeset	1346 if (found) {
a61af66fc99e Initial load duke parents: diff changeset	1347 return i;
a61af66fc99e Initial load duke parents: diff changeset	1348 }
a61af66fc99e Initial load duke parents: diff changeset	1349 }
a61af66fc99e Initial load duke parents: diff changeset	1350
a61af66fc99e Initial load duke parents: diff changeset	1351 return 0; // entry not found; return unused index zero (0)
a61af66fc99e Initial load duke parents: diff changeset	1352 } // end find_matching_entry()
a61af66fc99e Initial load duke parents: diff changeset	1353
a61af66fc99e Initial load duke parents: diff changeset	1354
a61af66fc99e Initial load duke parents: diff changeset	1355 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1356
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1357 const char* ConstantPool::printable_name_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	1358
a61af66fc99e Initial load duke parents: diff changeset	1359 constantTag tag = tag_at(which);
a61af66fc99e Initial load duke parents: diff changeset	1360
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1361 if (tag.is_string()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1362 return string_at_noresolve(which);
a61af66fc99e Initial load duke parents: diff changeset	1363 } else if (tag.is_klass() \|\| tag.is_unresolved_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	1364 return klass_name_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	1365 } else if (tag.is_symbol()) {
a61af66fc99e Initial load duke parents: diff changeset	1366 return symbol_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	1367 }
a61af66fc99e Initial load duke parents: diff changeset	1368 return "";
a61af66fc99e Initial load duke parents: diff changeset	1369 }
a61af66fc99e Initial load duke parents: diff changeset	1370
a61af66fc99e Initial load duke parents: diff changeset	1371 #endif // PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1372
a61af66fc99e Initial load duke parents: diff changeset	1373
a61af66fc99e Initial load duke parents: diff changeset	1374 // JVMTI GetConstantPool support
a61af66fc99e Initial load duke parents: diff changeset	1375
a61af66fc99e Initial load duke parents: diff changeset	1376 // For temporary use until code is stable.
a61af66fc99e Initial load duke parents: diff changeset	1377 #define DBG(code)
a61af66fc99e Initial load duke parents: diff changeset	1378
a61af66fc99e Initial load duke parents: diff changeset	1379 static const char* WARN_MSG = "Must not be such entry!";
a61af66fc99e Initial load duke parents: diff changeset	1380
a61af66fc99e Initial load duke parents: diff changeset	1381 static void print_cpool_bytes(jint cnt, u1 *bytes) {
a61af66fc99e Initial load duke parents: diff changeset	1382 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1383 u2 idx1, idx2;
a61af66fc99e Initial load duke parents: diff changeset	1384
a61af66fc99e Initial load duke parents: diff changeset	1385 for (jint idx = 1; idx < cnt; idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1386 jint ent_size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1387 u1 tag = *bytes++;
a61af66fc99e Initial load duke parents: diff changeset	1388 size++; // count tag
a61af66fc99e Initial load duke parents: diff changeset	1389
a61af66fc99e Initial load duke parents: diff changeset	1390 printf("const #%03d, tag: %02d ", idx, tag);
a61af66fc99e Initial load duke parents: diff changeset	1391 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1392 case JVM_CONSTANT_Invalid: {
a61af66fc99e Initial load duke parents: diff changeset	1393 printf("Invalid");
a61af66fc99e Initial load duke parents: diff changeset	1394 break;
a61af66fc99e Initial load duke parents: diff changeset	1395 }
a61af66fc99e Initial load duke parents: diff changeset	1396 case JVM_CONSTANT_Unicode: {
a61af66fc99e Initial load duke parents: diff changeset	1397 printf("Unicode %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1398 break;
a61af66fc99e Initial load duke parents: diff changeset	1399 }
a61af66fc99e Initial load duke parents: diff changeset	1400 case JVM_CONSTANT_Utf8: {
a61af66fc99e Initial load duke parents: diff changeset	1401 u2 len = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1402 char str[128];
a61af66fc99e Initial load duke parents: diff changeset	1403 if (len > 127) {
a61af66fc99e Initial load duke parents: diff changeset	1404 len = 127;
a61af66fc99e Initial load duke parents: diff changeset	1405 }
a61af66fc99e Initial load duke parents: diff changeset	1406 strncpy(str, (char *) (bytes+2), len);
a61af66fc99e Initial load duke parents: diff changeset	1407 str[len] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	1408 printf("Utf8 \"%s\"", str);
a61af66fc99e Initial load duke parents: diff changeset	1409 ent_size = 2 + len;
a61af66fc99e Initial load duke parents: diff changeset	1410 break;
a61af66fc99e Initial load duke parents: diff changeset	1411 }
a61af66fc99e Initial load duke parents: diff changeset	1412 case JVM_CONSTANT_Integer: {
a61af66fc99e Initial load duke parents: diff changeset	1413 u4 val = Bytes::get_Java_u4(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1414 printf("int %d", (int ) &val);
a61af66fc99e Initial load duke parents: diff changeset	1415 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1416 break;
a61af66fc99e Initial load duke parents: diff changeset	1417 }
a61af66fc99e Initial load duke parents: diff changeset	1418 case JVM_CONSTANT_Float: {
a61af66fc99e Initial load duke parents: diff changeset	1419 u4 val = Bytes::get_Java_u4(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1420 printf("float %5.3ff", (float ) &val);
a61af66fc99e Initial load duke parents: diff changeset	1421 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1422 break;
a61af66fc99e Initial load duke parents: diff changeset	1423 }
a61af66fc99e Initial load duke parents: diff changeset	1424 case JVM_CONSTANT_Long: {
a61af66fc99e Initial load duke parents: diff changeset	1425 u8 val = Bytes::get_Java_u8(bytes);
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 3785 diff changeset	1426 printf("long "INT64_FORMAT, (int64_t) (jlong ) &val);
0 a61af66fc99e Initial load duke parents: diff changeset	1427 ent_size = 8;
a61af66fc99e Initial load duke parents: diff changeset	1428 idx++; // Long takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1429 break;
a61af66fc99e Initial load duke parents: diff changeset	1430 }
a61af66fc99e Initial load duke parents: diff changeset	1431 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1432 u8 val = Bytes::get_Java_u8(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1433 printf("double %5.3fd", (jdouble )&val);
a61af66fc99e Initial load duke parents: diff changeset	1434 ent_size = 8;
a61af66fc99e Initial load duke parents: diff changeset	1435 idx++; // Double takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1436 break;
a61af66fc99e Initial load duke parents: diff changeset	1437 }
a61af66fc99e Initial load duke parents: diff changeset	1438 case JVM_CONSTANT_Class: {
a61af66fc99e Initial load duke parents: diff changeset	1439 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1440 printf("class #%03d", idx1);
a61af66fc99e Initial load duke parents: diff changeset	1441 ent_size = 2;
a61af66fc99e Initial load duke parents: diff changeset	1442 break;
a61af66fc99e Initial load duke parents: diff changeset	1443 }
a61af66fc99e Initial load duke parents: diff changeset	1444 case JVM_CONSTANT_String: {
a61af66fc99e Initial load duke parents: diff changeset	1445 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1446 printf("String #%03d", idx1);
a61af66fc99e Initial load duke parents: diff changeset	1447 ent_size = 2;
a61af66fc99e Initial load duke parents: diff changeset	1448 break;
a61af66fc99e Initial load duke parents: diff changeset	1449 }
a61af66fc99e Initial load duke parents: diff changeset	1450 case JVM_CONSTANT_Fieldref: {
a61af66fc99e Initial load duke parents: diff changeset	1451 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1452 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1453 printf("Field #%03d, #%03d", (int) idx1, (int) idx2);
a61af66fc99e Initial load duke parents: diff changeset	1454 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1455 break;
a61af66fc99e Initial load duke parents: diff changeset	1456 }
a61af66fc99e Initial load duke parents: diff changeset	1457 case JVM_CONSTANT_Methodref: {
a61af66fc99e Initial load duke parents: diff changeset	1458 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1459 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1460 printf("Method #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1461 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1462 break;
a61af66fc99e Initial load duke parents: diff changeset	1463 }
a61af66fc99e Initial load duke parents: diff changeset	1464 case JVM_CONSTANT_InterfaceMethodref: {
a61af66fc99e Initial load duke parents: diff changeset	1465 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1466 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1467 printf("InterfMethod #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1468 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1469 break;
a61af66fc99e Initial load duke parents: diff changeset	1470 }
a61af66fc99e Initial load duke parents: diff changeset	1471 case JVM_CONSTANT_NameAndType: {
a61af66fc99e Initial load duke parents: diff changeset	1472 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1473 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1474 printf("NameAndType #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1475 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1476 break;
a61af66fc99e Initial load duke parents: diff changeset	1477 }
a61af66fc99e Initial load duke parents: diff changeset	1478 case JVM_CONSTANT_ClassIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1479 printf("ClassIndex %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1480 break;
a61af66fc99e Initial load duke parents: diff changeset	1481 }
a61af66fc99e Initial load duke parents: diff changeset	1482 case JVM_CONSTANT_UnresolvedClass: {
a61af66fc99e Initial load duke parents: diff changeset	1483 printf("UnresolvedClass: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1484 break;
a61af66fc99e Initial load duke parents: diff changeset	1485 }
a61af66fc99e Initial load duke parents: diff changeset	1486 case JVM_CONSTANT_UnresolvedClassInError: {
a61af66fc99e Initial load duke parents: diff changeset	1487 printf("UnresolvedClassInErr: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1488 break;
a61af66fc99e Initial load duke parents: diff changeset	1489 }
a61af66fc99e Initial load duke parents: diff changeset	1490 case JVM_CONSTANT_StringIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1491 printf("StringIndex: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1492 break;
a61af66fc99e Initial load duke parents: diff changeset	1493 }
a61af66fc99e Initial load duke parents: diff changeset	1494 }
a61af66fc99e Initial load duke parents: diff changeset	1495 printf(";\n");
a61af66fc99e Initial load duke parents: diff changeset	1496 bytes += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1497 size += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1498 }
a61af66fc99e Initial load duke parents: diff changeset	1499 printf("Cpool size: %d\n", size);
a61af66fc99e Initial load duke parents: diff changeset	1500 fflush(0);
a61af66fc99e Initial load duke parents: diff changeset	1501 return;
a61af66fc99e Initial load duke parents: diff changeset	1502 } /* end print_cpool_bytes */
a61af66fc99e Initial load duke parents: diff changeset	1503
a61af66fc99e Initial load duke parents: diff changeset	1504
a61af66fc99e Initial load duke parents: diff changeset	1505 // Returns size of constant pool entry.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1506 jint ConstantPool::cpool_entry_size(jint idx) {
0 a61af66fc99e Initial load duke parents: diff changeset	1507 switch(tag_at(idx).value()) {
a61af66fc99e Initial load duke parents: diff changeset	1508 case JVM_CONSTANT_Invalid:
a61af66fc99e Initial load duke parents: diff changeset	1509 case JVM_CONSTANT_Unicode:
a61af66fc99e Initial load duke parents: diff changeset	1510 return 1;
a61af66fc99e Initial load duke parents: diff changeset	1511
a61af66fc99e Initial load duke parents: diff changeset	1512 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1513 return 3 + symbol_at(idx)->utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	1514
a61af66fc99e Initial load duke parents: diff changeset	1515 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1516 case JVM_CONSTANT_String:
a61af66fc99e Initial load duke parents: diff changeset	1517 case JVM_CONSTANT_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	1518 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1519 case JVM_CONSTANT_UnresolvedClassInError:
a61af66fc99e Initial load duke parents: diff changeset	1520 case JVM_CONSTANT_StringIndex:
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1521 case JVM_CONSTANT_MethodType:
0 a61af66fc99e Initial load duke parents: diff changeset	1522 return 3;
a61af66fc99e Initial load duke parents: diff changeset	1523
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1524 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1525 return 4; //tag, ref_kind, ref_index
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1526
0 a61af66fc99e Initial load duke parents: diff changeset	1527 case JVM_CONSTANT_Integer:
a61af66fc99e Initial load duke parents: diff changeset	1528 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	1529 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1530 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	1531 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	1532 case JVM_CONSTANT_NameAndType:
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1533 return 5;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1534
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1535 case JVM_CONSTANT_InvokeDynamic:
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1536 // u1 tag, u2 bsm, u2 nt
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1537 return 5;
0 a61af66fc99e Initial load duke parents: diff changeset	1538
a61af66fc99e Initial load duke parents: diff changeset	1539 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1540 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	1541 return 9;
a61af66fc99e Initial load duke parents: diff changeset	1542 }
a61af66fc99e Initial load duke parents: diff changeset	1543 assert(false, "cpool_entry_size: Invalid constant pool entry tag");
a61af66fc99e Initial load duke parents: diff changeset	1544 return 1;
a61af66fc99e Initial load duke parents: diff changeset	1545 } /* end cpool_entry_size */
a61af66fc99e Initial load duke parents: diff changeset	1546
a61af66fc99e Initial load duke parents: diff changeset	1547
a61af66fc99e Initial load duke parents: diff changeset	1548 // SymbolHashMap is used to find a constant pool index from a string.
a61af66fc99e Initial load duke parents: diff changeset	1549 // This function fills in SymbolHashMaps, one for utf8s and one for
a61af66fc99e Initial load duke parents: diff changeset	1550 // class names, returns size of the cpool raw bytes.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1551 jint ConstantPool::hash_entries_to(SymbolHashMap *symmap,
0 a61af66fc99e Initial load duke parents: diff changeset	1552 SymbolHashMap *classmap) {
a61af66fc99e Initial load duke parents: diff changeset	1553 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1554
a61af66fc99e Initial load duke parents: diff changeset	1555 for (u2 idx = 1; idx < length(); idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1556 u2 tag = tag_at(idx).value();
a61af66fc99e Initial load duke parents: diff changeset	1557 size += cpool_entry_size(idx);
a61af66fc99e Initial load duke parents: diff changeset	1558
a61af66fc99e Initial load duke parents: diff changeset	1559 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1560 case JVM_CONSTANT_Utf8: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1561 Symbol* sym = symbol_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1562 symmap->add_entry(sym, idx);
a61af66fc99e Initial load duke parents: diff changeset	1563 DBG(printf("adding symbol entry %s = %d\n", sym->as_utf8(), idx));
a61af66fc99e Initial load duke parents: diff changeset	1564 break;
a61af66fc99e Initial load duke parents: diff changeset	1565 }
a61af66fc99e Initial load duke parents: diff changeset	1566 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1567 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1568 case JVM_CONSTANT_UnresolvedClassInError: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1569 Symbol* sym = klass_name_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1570 classmap->add_entry(sym, idx);
a61af66fc99e Initial load duke parents: diff changeset	1571 DBG(printf("adding class entry %s = %d\n", sym->as_utf8(), idx));
a61af66fc99e Initial load duke parents: diff changeset	1572 break;
a61af66fc99e Initial load duke parents: diff changeset	1573 }
a61af66fc99e Initial load duke parents: diff changeset	1574 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1575 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1576 idx++; // Both Long and Double take two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1577 break;
a61af66fc99e Initial load duke parents: diff changeset	1578 }
a61af66fc99e Initial load duke parents: diff changeset	1579 }
a61af66fc99e Initial load duke parents: diff changeset	1580 }
a61af66fc99e Initial load duke parents: diff changeset	1581 return size;
a61af66fc99e Initial load duke parents: diff changeset	1582 } /* end hash_utf8_entries_to */
a61af66fc99e Initial load duke parents: diff changeset	1583
a61af66fc99e Initial load duke parents: diff changeset	1584
a61af66fc99e Initial load duke parents: diff changeset	1585 // Copy cpool bytes.
a61af66fc99e Initial load duke parents: diff changeset	1586 // Returns:
a61af66fc99e Initial load duke parents: diff changeset	1587 // 0, in case of OutOfMemoryError
a61af66fc99e Initial load duke parents: diff changeset	1588 // -1, in case of internal error
a61af66fc99e Initial load duke parents: diff changeset	1589 // > 0, count of the raw cpool bytes that have been copied
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1590 int ConstantPool::copy_cpool_bytes(int cpool_size,
0 a61af66fc99e Initial load duke parents: diff changeset	1591 SymbolHashMap* tbl,
a61af66fc99e Initial load duke parents: diff changeset	1592 unsigned char *bytes) {
a61af66fc99e Initial load duke parents: diff changeset	1593 u2 idx1, idx2;
a61af66fc99e Initial load duke parents: diff changeset	1594 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1595 jint cnt = length();
a61af66fc99e Initial load duke parents: diff changeset	1596 unsigned char *start_bytes = bytes;
a61af66fc99e Initial load duke parents: diff changeset	1597
a61af66fc99e Initial load duke parents: diff changeset	1598 for (jint idx = 1; idx < cnt; idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1599 u1 tag = tag_at(idx).value();
a61af66fc99e Initial load duke parents: diff changeset	1600 jint ent_size = cpool_entry_size(idx);
a61af66fc99e Initial load duke parents: diff changeset	1601
a61af66fc99e Initial load duke parents: diff changeset	1602 assert(size + ent_size <= cpool_size, "Size mismatch");
a61af66fc99e Initial load duke parents: diff changeset	1603
a61af66fc99e Initial load duke parents: diff changeset	1604 *bytes = tag;
a61af66fc99e Initial load duke parents: diff changeset	1605 DBG(printf("#%03hd tag=%03hd, ", idx, tag));
a61af66fc99e Initial load duke parents: diff changeset	1606 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1607 case JVM_CONSTANT_Invalid: {
a61af66fc99e Initial load duke parents: diff changeset	1608 DBG(printf("JVM_CONSTANT_Invalid"));
a61af66fc99e Initial load duke parents: diff changeset	1609 break;
a61af66fc99e Initial load duke parents: diff changeset	1610 }
a61af66fc99e Initial load duke parents: diff changeset	1611 case JVM_CONSTANT_Unicode: {
a61af66fc99e Initial load duke parents: diff changeset	1612 assert(false, "Wrong constant pool tag: JVM_CONSTANT_Unicode");
a61af66fc99e Initial load duke parents: diff changeset	1613 DBG(printf("JVM_CONSTANT_Unicode"));
a61af66fc99e Initial load duke parents: diff changeset	1614 break;
a61af66fc99e Initial load duke parents: diff changeset	1615 }
a61af66fc99e Initial load duke parents: diff changeset	1616 case JVM_CONSTANT_Utf8: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1617 Symbol* sym = symbol_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1618 char* str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	1619 // Warning! It's crashing on x86 with len = sym->utf8_length()
a61af66fc99e Initial load duke parents: diff changeset	1620 int len = (int) strlen(str);
a61af66fc99e Initial load duke parents: diff changeset	1621 Bytes::put_Java_u2((address) (bytes+1), (u2) len);
a61af66fc99e Initial load duke parents: diff changeset	1622 for (int i = 0; i < len; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1623 bytes[3+i] = (u1) str[i];
a61af66fc99e Initial load duke parents: diff changeset	1624 }
a61af66fc99e Initial load duke parents: diff changeset	1625 DBG(printf("JVM_CONSTANT_Utf8: %s ", str));
a61af66fc99e Initial load duke parents: diff changeset	1626 break;
a61af66fc99e Initial load duke parents: diff changeset	1627 }
a61af66fc99e Initial load duke parents: diff changeset	1628 case JVM_CONSTANT_Integer: {
a61af66fc99e Initial load duke parents: diff changeset	1629 jint val = int_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1630 Bytes::put_Java_u4((address) (bytes+1), (u4)&val);
a61af66fc99e Initial load duke parents: diff changeset	1631 break;
a61af66fc99e Initial load duke parents: diff changeset	1632 }
a61af66fc99e Initial load duke parents: diff changeset	1633 case JVM_CONSTANT_Float: {
a61af66fc99e Initial load duke parents: diff changeset	1634 jfloat val = float_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1635 Bytes::put_Java_u4((address) (bytes+1), (u4)&val);
a61af66fc99e Initial load duke parents: diff changeset	1636 break;
a61af66fc99e Initial load duke parents: diff changeset	1637 }
a61af66fc99e Initial load duke parents: diff changeset	1638 case JVM_CONSTANT_Long: {
a61af66fc99e Initial load duke parents: diff changeset	1639 jlong val = long_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1640 Bytes::put_Java_u8((address) (bytes+1), (u8)&val);
a61af66fc99e Initial load duke parents: diff changeset	1641 idx++; // Long takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1642 break;
a61af66fc99e Initial load duke parents: diff changeset	1643 }
a61af66fc99e Initial load duke parents: diff changeset	1644 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1645 jdouble val = double_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1646 Bytes::put_Java_u8((address) (bytes+1), (u8)&val);
a61af66fc99e Initial load duke parents: diff changeset	1647 idx++; // Double takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1648 break;
a61af66fc99e Initial load duke parents: diff changeset	1649 }
a61af66fc99e Initial load duke parents: diff changeset	1650 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1651 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1652 case JVM_CONSTANT_UnresolvedClassInError: {
a61af66fc99e Initial load duke parents: diff changeset	1653 *bytes = JVM_CONSTANT_Class;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1654 Symbol* sym = klass_name_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1655 idx1 = tbl->symbol_to_value(sym);
a61af66fc99e Initial load duke parents: diff changeset	1656 assert(idx1 != 0, "Have not found a hashtable entry");
a61af66fc99e Initial load duke parents: diff changeset	1657 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1658 DBG(printf("JVM_CONSTANT_Class: idx=#%03hd, %s", idx1, sym->as_utf8()));
a61af66fc99e Initial load duke parents: diff changeset	1659 break;
a61af66fc99e Initial load duke parents: diff changeset	1660 }
a61af66fc99e Initial load duke parents: diff changeset	1661 case JVM_CONSTANT_String: {
a61af66fc99e Initial load duke parents: diff changeset	1662 *bytes = JVM_CONSTANT_String;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1663 Symbol* sym = unresolved_string_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1664 idx1 = tbl->symbol_to_value(sym);
a61af66fc99e Initial load duke parents: diff changeset	1665 assert(idx1 != 0, "Have not found a hashtable entry");
a61af66fc99e Initial load duke parents: diff changeset	1666 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1667 DBG(char *str = sym->as_utf8());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1668 DBG(printf("JVM_CONSTANT_String: idx=#%03hd, %s", idx1, str));
0 a61af66fc99e Initial load duke parents: diff changeset	1669 break;
a61af66fc99e Initial load duke parents: diff changeset	1670 }
a61af66fc99e Initial load duke parents: diff changeset	1671 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1672 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	1673 case JVM_CONSTANT_InterfaceMethodref: {
a61af66fc99e Initial load duke parents: diff changeset	1674 idx1 = uncached_klass_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1675 idx2 = uncached_name_and_type_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1676 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1677 Bytes::put_Java_u2((address) (bytes+3), idx2);
a61af66fc99e Initial load duke parents: diff changeset	1678 DBG(printf("JVM_CONSTANT_Methodref: %hd %hd", idx1, idx2));
a61af66fc99e Initial load duke parents: diff changeset	1679 break;
a61af66fc99e Initial load duke parents: diff changeset	1680 }
a61af66fc99e Initial load duke parents: diff changeset	1681 case JVM_CONSTANT_NameAndType: {
a61af66fc99e Initial load duke parents: diff changeset	1682 idx1 = name_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1683 idx2 = signature_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1684 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1685 Bytes::put_Java_u2((address) (bytes+3), idx2);
a61af66fc99e Initial load duke parents: diff changeset	1686 DBG(printf("JVM_CONSTANT_NameAndType: %hd %hd", idx1, idx2));
a61af66fc99e Initial load duke parents: diff changeset	1687 break;
a61af66fc99e Initial load duke parents: diff changeset	1688 }
a61af66fc99e Initial load duke parents: diff changeset	1689 case JVM_CONSTANT_ClassIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1690 *bytes = JVM_CONSTANT_Class;
a61af66fc99e Initial load duke parents: diff changeset	1691 idx1 = klass_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1692 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1693 DBG(printf("JVM_CONSTANT_ClassIndex: %hd", idx1));
a61af66fc99e Initial load duke parents: diff changeset	1694 break;
a61af66fc99e Initial load duke parents: diff changeset	1695 }
a61af66fc99e Initial load duke parents: diff changeset	1696 case JVM_CONSTANT_StringIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1697 *bytes = JVM_CONSTANT_String;
a61af66fc99e Initial load duke parents: diff changeset	1698 idx1 = string_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1699 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1700 DBG(printf("JVM_CONSTANT_StringIndex: %hd", idx1));
a61af66fc99e Initial load duke parents: diff changeset	1701 break;
a61af66fc99e Initial load duke parents: diff changeset	1702 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1703 case JVM_CONSTANT_MethodHandle:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1704 case JVM_CONSTANT_MethodHandleInError: {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1705 *bytes = JVM_CONSTANT_MethodHandle;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1706 int kind = method_handle_ref_kind_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1707 idx1 = method_handle_index_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1708 *(bytes+1) = (unsigned char) kind;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1709 Bytes::put_Java_u2((address) (bytes+2), idx1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1710 DBG(printf("JVM_CONSTANT_MethodHandle: %d %hd", kind, idx1));
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1711 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1712 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1713 case JVM_CONSTANT_MethodType:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1714 case JVM_CONSTANT_MethodTypeInError: {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1715 *bytes = JVM_CONSTANT_MethodType;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1716 idx1 = method_type_index_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1717 Bytes::put_Java_u2((address) (bytes+1), idx1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1718 DBG(printf("JVM_CONSTANT_MethodType: %hd", idx1));
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1719 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1720 }
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1721 case JVM_CONSTANT_InvokeDynamic: {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1722 *bytes = tag;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1723 idx1 = extract_low_short_from_int(*int_at_addr(idx));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1724 idx2 = extract_high_short_from_int(*int_at_addr(idx));
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1725 assert(idx2 == invoke_dynamic_name_and_type_ref_index_at(idx), "correct half of u4");
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1726 Bytes::put_Java_u2((address) (bytes+1), idx1);
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1727 Bytes::put_Java_u2((address) (bytes+3), idx2);
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1728 DBG(printf("JVM_CONSTANT_InvokeDynamic: %hd %hd", idx1, idx2));
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1729 break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1730 }
0 a61af66fc99e Initial load duke parents: diff changeset	1731 }
a61af66fc99e Initial load duke parents: diff changeset	1732 DBG(printf("\n"));
a61af66fc99e Initial load duke parents: diff changeset	1733 bytes += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1734 size += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1735 }
a61af66fc99e Initial load duke parents: diff changeset	1736 assert(size == cpool_size, "Size mismatch");
a61af66fc99e Initial load duke parents: diff changeset	1737
a61af66fc99e Initial load duke parents: diff changeset	1738 // Keep temorarily for debugging until it's stable.
a61af66fc99e Initial load duke parents: diff changeset	1739 DBG(print_cpool_bytes(cnt, start_bytes));
a61af66fc99e Initial load duke parents: diff changeset	1740 return (int)(bytes - start_bytes);
a61af66fc99e Initial load duke parents: diff changeset	1741 } /* end copy_cpool_bytes */
a61af66fc99e Initial load duke parents: diff changeset	1742
a61af66fc99e Initial load duke parents: diff changeset	1743
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1744 void ConstantPool::set_on_stack(const bool value) {
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1745 if (value) {
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1746 _flags \|= _on_stack;
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1747 } else {
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1748 _flags &= ~_on_stack;
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1749 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1750 if (value) MetadataOnStackMark::record(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1751 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1752
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1753 // JSR 292 support for patching constant pool oops after the class is linked and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1754 // the oop array for resolved references are created.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1755 // We can't do this during classfile parsing, which is how the other indexes are
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1756 // patched. The other patches are applied early for some error checking
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1757 // so only defer the pseudo_strings.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1758 void ConstantPool::patch_resolved_references(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1759 GrowableArray<Handle>* cp_patches) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1760 assert(EnableInvokeDynamic, "");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1761 for (int index = 1; index < cp_patches->length(); index++) { // Index 0 is unused
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1762 Handle patch = cp_patches->at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1763 if (patch.not_null()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1764 assert (tag_at(index).is_string(), "should only be string left");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1765 // Patching a string means pre-resolving it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1766 // The spelling in the constant pool is ignored.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1767 // The constant reference may be any object whatever.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1768 // If it is not a real interned string, the constant is referred
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1769 // to as a "pseudo-string", and must be presented to the CP
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1770 // explicitly, because it may require scavenging.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1771 int obj_index = cp_to_object_index(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1772 pseudo_string_at_put(index, obj_index, patch());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1773 DEBUG_ONLY(cp_patches->at_put(index, Handle());)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1774 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1775 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1776 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1777 // Ensure that all the patches have been used.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1778 for (int index = 0; index < cp_patches->length(); index++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1779 assert(cp_patches->at(index).is_null(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1780 err_msg("Unused constant pool patch at %d in class file %s",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1781 index,
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	1782 pool_holder()->external_name()));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1783 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1784 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1785 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1786
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1787 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1788
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1789 // CompileTheWorld support. Preload all classes loaded references in the passed in constantpool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1790 void ConstantPool::preload_and_initialize_all_classes(ConstantPool* obj, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1791 guarantee(obj->is_constantPool(), "object must be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1792 constantPoolHandle cp(THREAD, (ConstantPool*)obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1793 guarantee(cp->pool_holder() != NULL, "must be fully loaded");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1794
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1795 for (int i = 0; i< cp->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1796 if (cp->tag_at(i).is_unresolved_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1797 // This will force loading of the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1798 Klass* klass = cp->klass_at(i, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1799 if (klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1800 // Force initialization of class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1801 InstanceKlass::cast(klass)->initialize(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1802 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1803 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1804 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1805 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1806
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1807 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1808
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1809
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1810 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1811
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1812 void ConstantPool::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1813 EXCEPTION_MARK;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1814 assert(is_constantPool(), "must be constantPool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1815 st->print_cr(internal_name());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1816 if (flags() != 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1817 st->print(" - flags: 0x%x", flags());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1818 if (has_pseudo_string()) st->print(" has_pseudo_string");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1819 if (has_invokedynamic()) st->print(" has_invokedynamic");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1820 if (has_preresolution()) st->print(" has_preresolution");
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1821 if (on_stack()) st->print(" on_stack");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1822 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1823 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1824 if (pool_holder() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1825 st->print_cr(" - holder: " INTPTR_FORMAT, pool_holder());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1826 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1827 st->print_cr(" - cache: " INTPTR_FORMAT, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1828 st->print_cr(" - resolved_references: " INTPTR_FORMAT, resolved_references());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1829 st->print_cr(" - reference_map: " INTPTR_FORMAT, reference_map());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1830
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1831 for (int index = 1; index < length(); index++) { // Index 0 is unused
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1832 ((ConstantPool*)this)->print_entry_on(index, st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1833 switch (tag_at(index).value()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1834 case JVM_CONSTANT_Long :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1835 case JVM_CONSTANT_Double :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1836 index++; // Skip entry following eigth-byte constant
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1837 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1838
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1839 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1840 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1841 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1842
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1843 // Print one constant pool entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1844 void ConstantPool::print_entry_on(const int index, outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1845 EXCEPTION_MARK;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1846 st->print(" - %3d : ", index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1847 tag_at(index).print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1848 st->print(" : ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1849 switch (tag_at(index).value()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1850 case JVM_CONSTANT_Class :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1851 { Klass* k = klass_at(index, CATCH);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1852 k->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1853 st->print(" {0x%lx}", (address)k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1854 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1855 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1856 case JVM_CONSTANT_Fieldref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1857 case JVM_CONSTANT_Methodref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1858 case JVM_CONSTANT_InterfaceMethodref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1859 st->print("klass_index=%d", uncached_klass_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1860 st->print(" name_and_type_index=%d", uncached_name_and_type_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1861 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1862 case JVM_CONSTANT_String :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1863 unresolved_string_at(index)->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1864 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1865 case JVM_CONSTANT_Object : {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1866 oop anObj = object_at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1867 anObj->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1868 st->print(" {0x%lx}", (address)anObj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1869 } break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1870 case JVM_CONSTANT_Integer :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1871 st->print("%d", int_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1872 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1873 case JVM_CONSTANT_Float :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1874 st->print("%f", float_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1875 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1876 case JVM_CONSTANT_Long :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1877 st->print_jlong(long_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1878 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1879 case JVM_CONSTANT_Double :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1880 st->print("%lf", double_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1881 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1882 case JVM_CONSTANT_NameAndType :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1883 st->print("name_index=%d", name_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1884 st->print(" signature_index=%d", signature_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1885 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1886 case JVM_CONSTANT_Utf8 :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1887 symbol_at(index)->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1888 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1889 case JVM_CONSTANT_UnresolvedClass : // fall-through
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1890 case JVM_CONSTANT_UnresolvedClassInError: {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1891 // unresolved_klass_at requires lock or safe world.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1892 CPSlot entry = slot_at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1893 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1894 entry.get_klass()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1895 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1896 entry.get_symbol()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1897 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1898 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1899 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1900 case JVM_CONSTANT_MethodHandle :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1901 case JVM_CONSTANT_MethodHandleInError :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1902 st->print("ref_kind=%d", method_handle_ref_kind_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1903 st->print(" ref_index=%d", method_handle_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1904 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1905 case JVM_CONSTANT_MethodType :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1906 case JVM_CONSTANT_MethodTypeInError :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1907 st->print("signature_index=%d", method_type_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1908 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1909 case JVM_CONSTANT_InvokeDynamic :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1910 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1911 st->print("bootstrap_method_index=%d", invoke_dynamic_bootstrap_method_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1912 st->print(" name_and_type_index=%d", invoke_dynamic_name_and_type_ref_index_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1913 int argc = invoke_dynamic_argument_count_at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1914 if (argc > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1915 for (int arg_i = 0; arg_i < argc; arg_i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1916 int arg = invoke_dynamic_argument_index_at(index, arg_i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1917 st->print((arg_i == 0 ? " arguments={%d" : ", %d"), arg);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1918 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1919 st->print("}");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1920 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1921 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1922 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1923 default:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1924 ShouldNotReachHere();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1925 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1926 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1927 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1928 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1929
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1930 void ConstantPool::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1931 assert(is_constantPool(), "must be constantPool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1932 st->print("constant pool [%d]", length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1933 if (has_pseudo_string()) st->print("/pseudo_string");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1934 if (has_invokedynamic()) st->print("/invokedynamic");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1935 if (has_preresolution()) st->print("/preresolution");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1936 if (operands() != NULL) st->print("/operands[%d]", operands()->length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1937 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1938 st->print(" for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1939 pool_holder()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1940 if (pool_holder() != NULL) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	1941 bool extra = (pool_holder()->constants() != this);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1942 if (extra) st->print(" (extra)");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1943 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1944 if (cache() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1945 st->print(" cache=" PTR_FORMAT, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1946 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1947 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1948
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1949
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1950 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1951
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1952 void ConstantPool::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1953 guarantee(is_constantPool(), "object must be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1954 for (int i = 0; i< length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1955 constantTag tag = tag_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1956 CPSlot entry = slot_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1957 if (tag.is_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1958 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1959 guarantee(entry.get_klass()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1960 guarantee(entry.get_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1961 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1962 } else if (tag.is_unresolved_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1963 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1964 guarantee(entry.get_klass()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1965 guarantee(entry.get_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1966 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1967 } else if (tag.is_symbol()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1968 guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1969 } else if (tag.is_string()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1970 guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1971 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1972 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1973 if (cache() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1974 // Note: cache() can be NULL before a class is completely setup or
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1975 // in temporary constant pools used during constant pool merging
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1976 guarantee(cache()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1977 guarantee(cache()->is_constantPoolCache(), "should be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1978 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1979 if (pool_holder() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1980 // Note: pool_holder() can be NULL in temporary constant pools
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1981 // used during constant pool merging
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1982 guarantee(pool_holder()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1983 guarantee(pool_holder()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1984 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1985 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1986
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1987
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1988 void SymbolHashMap::add_entry(Symbol* sym, u2 value) {
0 a61af66fc99e Initial load duke parents: diff changeset	1989 char *str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	1990 unsigned int hash = compute_hash(str, sym->utf8_length());
a61af66fc99e Initial load duke parents: diff changeset	1991 unsigned int index = hash % table_size();
a61af66fc99e Initial load duke parents: diff changeset	1992
a61af66fc99e Initial load duke parents: diff changeset	1993 // check if already in map
a61af66fc99e Initial load duke parents: diff changeset	1994 // we prefer the first entry since it is more likely to be what was used in
a61af66fc99e Initial load duke parents: diff changeset	1995 // the class file
a61af66fc99e Initial load duke parents: diff changeset	1996 for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
a61af66fc99e Initial load duke parents: diff changeset	1997 assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	1998 if (en->hash() == hash && en->symbol() == sym) {
a61af66fc99e Initial load duke parents: diff changeset	1999 return; // already there
a61af66fc99e Initial load duke parents: diff changeset	2000 }
a61af66fc99e Initial load duke parents: diff changeset	2001 }
a61af66fc99e Initial load duke parents: diff changeset	2002
a61af66fc99e Initial load duke parents: diff changeset	2003 SymbolHashMapEntry* entry = new SymbolHashMapEntry(hash, sym, value);
a61af66fc99e Initial load duke parents: diff changeset	2004 entry->set_next(bucket(index));
a61af66fc99e Initial load duke parents: diff changeset	2005 _buckets[index].set_entry(entry);
a61af66fc99e Initial load duke parents: diff changeset	2006 assert(entry->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2007 }
a61af66fc99e Initial load duke parents: diff changeset	2008
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	2009 SymbolHashMapEntry* SymbolHashMap::find_entry(Symbol* sym) {
0 a61af66fc99e Initial load duke parents: diff changeset	2010 assert(sym != NULL, "SymbolHashMap::find_entry - symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2011 char *str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	2012 int len = sym->utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	2013 unsigned int hash = SymbolHashMap::compute_hash(str, len);
a61af66fc99e Initial load duke parents: diff changeset	2014 unsigned int index = hash % table_size();
a61af66fc99e Initial load duke parents: diff changeset	2015 for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
a61af66fc99e Initial load duke parents: diff changeset	2016 assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2017 if (en->hash() == hash && en->symbol() == sym) {
a61af66fc99e Initial load duke parents: diff changeset	2018 return en;
a61af66fc99e Initial load duke parents: diff changeset	2019 }
a61af66fc99e Initial load duke parents: diff changeset	2020 }
a61af66fc99e Initial load duke parents: diff changeset	2021 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2022 }

Mercurial > hg > truffle

annotate src/share/vm/oops/constantPool.cpp @ 7949:5daaddd917a1