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

annotate src/share/vm/oops/constantPool.cpp @ 10151:15a99ca4ee34

8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands Summary: References from operands to CP entries and back must be correct after CP merge Reviewed-by: coleenp, twisti Contributed-by: serguei.spitsyn@oracle.com

author	sspitsyn
date	Thu, 25 Apr 2013 03:58:53 -0700
parents	cc32ccaaf47f
children	c115fac239eb

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"
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	33 #include "memory/heapInspection.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	34 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	35 #include "memory/oopFactory.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	36 #include "oops/constantPool.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	37 #include "oops/instanceKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	38 #include "oops/objArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	39 #include "runtime/fieldType.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	40 #include "runtime/init.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	41 #include "runtime/javaCalls.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	42 #include "runtime/signature.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1913 diff changeset	43 #include "runtime/vframe.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	44
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	45 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	46 // 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	47 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	48
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	49 int size = ConstantPool::size(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	50
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	51 // CDS considerations:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	52 // 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	53 // 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	54 // 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	55 // 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	56 // 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	57 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	58 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	59
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	60 ConstantPool::ConstantPool(Array<u1>* tags) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	61 set_length(tags->length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	62 set_tags(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	63 set_cache(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	64 set_reference_map(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	65 set_resolved_references(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	66 set_operands(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	67 set_pool_holder(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	68 set_flags(0);
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	69
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	70 // 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	71 set_version(0);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	72 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	73
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	74 // initialize tag array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	75 int length = tags->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	76 for (int index = 0; index < length; index++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	77 tags->at_put(index, JVM_CONSTANT_Invalid);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	78 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	79 set_tags(tags);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	82 void ConstantPool::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	83 MetadataFactory::free_metadata(loader_data, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	84 set_cache(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	85 MetadataFactory::free_array<jushort>(loader_data, operands());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	86 set_operands(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	87
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	88 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	89
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	90 // free tag array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	91 MetadataFactory::free_array<u1>(loader_data, tags());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	92 set_tags(NULL);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	95 void ConstantPool::release_C_heap_structures() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	96 // walk constant pool and decrement symbol reference counts
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	97 unreference_symbols();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	98
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	99 delete _lock;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	100 set_lock(NULL);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	103 objArrayOop ConstantPool::resolved_references() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	104 return (objArrayOop)JNIHandles::resolve(_resolved_references);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	107 // 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	108 // 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	109 // 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	110 // 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	111 void ConstantPool::initialize_resolved_references(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	112 intStack reference_map,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	113 int constant_pool_map_length,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	114 TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	115 // Initialized the resolved object cache.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	116 int map_length = reference_map.length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	117 if (map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	118 // 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	119 // 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	120 // 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	121 // reference index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	122 if (constant_pool_map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	123 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	124
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	125 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	126 int x = reference_map.at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	127 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	128 om->at_put(i, (jushort)x);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	129 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	130 set_reference_map(om);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	133 // Create Java array for holding resolved strings, methodHandles,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	134 // methodTypes, invokedynamic and invokehandle appendix objects, etc.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	135 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	136 Handle refs_handle (THREAD, (oop)stom); // must handleize.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	137 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	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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	141 // CDS support. Create a new resolved_references array.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	142 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	143
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	144 // 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	145 restore_vtable();
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	146
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	147 if (SystemDictionary::Object_klass_loaded()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	148 // Recreate the object array and add to ClassLoaderData.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	149 int map_length = resolved_reference_length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	150 if (map_length > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	151 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	152 Handle refs_handle (THREAD, (oop)stom); // must handleize.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	153
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	154 ClassLoaderData* loader_data = pool_holder()->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	155 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	156 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	157
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	158 // 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	159 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	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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	163 void ConstantPool::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	164 // Resolved references are not in the shared archive.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	165 // 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	166 // as reference_map.length() if invokedynamic is saved.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	167 set_resolved_reference_length(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	168 resolved_references() != NULL ? resolved_references()->length() : 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	169 set_resolved_references(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	170 set_lock(NULL);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	173 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	174 // 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	175 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	176 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	177 // 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	178 // 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	179 // 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	180 // be a constant pool index)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	181 if (reference_map()->at(i) == 0) break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	182 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	183 // We might not find the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	184 return _no_index_sentinel;
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 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	188 // A resolved constantPool entry will contain a Klass, otherwise a Symbol.
0 a61af66fc99e Initial load duke parents: diff changeset	189 // 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	190 // tag is not updated atomicly.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	191
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	192 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	194 assert(entry.get_klass()->is_klass(), "must be");
0 a61af66fc99e Initial load duke parents: diff changeset	195 // Already resolved - return entry.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	196 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	197 }
a61af66fc99e Initial load duke parents: diff changeset	198
a61af66fc99e Initial load duke parents: diff changeset	199 // 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	200 // already has updated the object
a61af66fc99e Initial load duke parents: diff changeset	201 assert(THREAD->is_Java_thread(), "must be a Java thread");
a61af66fc99e Initial load duke parents: diff changeset	202 bool do_resolve = false;
a61af66fc99e Initial load duke parents: diff changeset	203 bool in_error = false;
a61af66fc99e Initial load duke parents: diff changeset	204
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	205 // 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	206 // until the loader_data is registered.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	207 Handle mirror_handle;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	208
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	209 Symbol* name = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	210 Handle loader;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	211 { MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	212
a61af66fc99e Initial load duke parents: diff changeset	213 if (this_oop->tag_at(which).is_unresolved_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	214 if (this_oop->tag_at(which).is_unresolved_klass_in_error()) {
a61af66fc99e Initial load duke parents: diff changeset	215 in_error = true;
a61af66fc99e Initial load duke parents: diff changeset	216 } else {
a61af66fc99e Initial load duke parents: diff changeset	217 do_resolve = true;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	218 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	219 loader = Handle(THREAD, this_oop->pool_holder()->class_loader());
0 a61af66fc99e Initial load duke parents: diff changeset	220 }
a61af66fc99e Initial load duke parents: diff changeset	221 }
a61af66fc99e Initial load duke parents: diff changeset	222 } // unlocking constantPool
a61af66fc99e Initial load duke parents: diff changeset	223
a61af66fc99e Initial load duke parents: diff changeset	224
a61af66fc99e Initial load duke parents: diff changeset	225 // The original attempt to resolve this constant pool entry failed so find the
a61af66fc99e Initial load duke parents: diff changeset	226 // original error and throw it again (JVMS 5.4.3).
a61af66fc99e Initial load duke parents: diff changeset	227 if (in_error) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	228 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	229 guarantee(error != (Symbol*)NULL, "tag mismatch with resolution error table");
0 a61af66fc99e Initial load duke parents: diff changeset	230 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	231 // exception text will be the class name
a61af66fc99e Initial load duke parents: diff changeset	232 const char* className = this_oop->unresolved_klass_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	233 THROW_MSG_0(error, className);
a61af66fc99e Initial load duke parents: diff changeset	234 }
a61af66fc99e Initial load duke parents: diff changeset	235
a61af66fc99e Initial load duke parents: diff changeset	236 if (do_resolve) {
a61af66fc99e Initial load duke parents: diff changeset	237 // 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	238 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	239 Handle h_prot (THREAD, protection_domain);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	240 Klass* k_oop = SystemDictionary::resolve_or_fail(name, loader, h_prot, true, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	241 KlassHandle k;
a61af66fc99e Initial load duke parents: diff changeset	242 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	243 k = KlassHandle(THREAD, k_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 // preserve the resolved klass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	245 mirror_handle = Handle(THREAD, k_oop->java_mirror());
0 a61af66fc99e Initial load duke parents: diff changeset	246 // Do access check for klasses
a61af66fc99e Initial load duke parents: diff changeset	247 verify_constant_pool_resolve(this_oop, k, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	248 }
a61af66fc99e Initial load duke parents: diff changeset	249
a61af66fc99e Initial load duke parents: diff changeset	250 // Failed to resolve class. We must record the errors so that subsequent attempts
a61af66fc99e Initial load duke parents: diff changeset	251 // to resolve this constant pool entry fail with the same error (JVMS 5.4.3).
a61af66fc99e Initial load duke parents: diff changeset	252 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	253 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	254 Symbol* error = PENDING_EXCEPTION->klass()->name();
0 a61af66fc99e Initial load duke parents: diff changeset	255
a61af66fc99e Initial load duke parents: diff changeset	256 bool throw_orig_error = false;
a61af66fc99e Initial load duke parents: diff changeset	257 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	258 MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	259
a61af66fc99e Initial load duke parents: diff changeset	260 // some other thread has beaten us and has resolved the class.
a61af66fc99e Initial load duke parents: diff changeset	261 if (this_oop->tag_at(which).is_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	262 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	263 entry = this_oop->resolved_klass_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	264 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	265 }
a61af66fc99e Initial load duke parents: diff changeset	266
a61af66fc99e Initial load duke parents: diff changeset	267 if (!PENDING_EXCEPTION->
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1059 diff changeset	268 is_a(SystemDictionary::LinkageError_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	269 // Just throw the exception and don't prevent these classes from
a61af66fc99e Initial load duke parents: diff changeset	270 // being loaded due to virtual machine errors like StackOverflow
a61af66fc99e Initial load duke parents: diff changeset	271 // and OutOfMemoryError, etc, or if the thread was hit by stop()
a61af66fc99e Initial load duke parents: diff changeset	272 // Needs clarification to section 5.4.3 of the VM spec (see 6308271)
a61af66fc99e Initial load duke parents: diff changeset	273 }
a61af66fc99e Initial load duke parents: diff changeset	274 else if (!this_oop->tag_at(which).is_unresolved_klass_in_error()) {
a61af66fc99e Initial load duke parents: diff changeset	275 SystemDictionary::add_resolution_error(this_oop, which, error);
a61af66fc99e Initial load duke parents: diff changeset	276 this_oop->tag_at_put(which, JVM_CONSTANT_UnresolvedClassInError);
a61af66fc99e Initial load duke parents: diff changeset	277 } else {
a61af66fc99e Initial load duke parents: diff changeset	278 // 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	279 error = SystemDictionary::find_resolution_error(this_oop, which);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	280 assert(error != NULL, "checking");
0 a61af66fc99e Initial load duke parents: diff changeset	281 throw_orig_error = true;
a61af66fc99e Initial load duke parents: diff changeset	282 }
a61af66fc99e Initial load duke parents: diff changeset	283 } // unlocked
a61af66fc99e Initial load duke parents: diff changeset	284
a61af66fc99e Initial load duke parents: diff changeset	285 if (throw_orig_error) {
a61af66fc99e Initial load duke parents: diff changeset	286 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	287 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	288 const char* className = this_oop->unresolved_klass_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	289 THROW_MSG_0(error, className);
a61af66fc99e Initial load duke parents: diff changeset	290 }
a61af66fc99e Initial load duke parents: diff changeset	291
a61af66fc99e Initial load duke parents: diff changeset	292 return 0;
a61af66fc99e Initial load duke parents: diff changeset	293 }
a61af66fc99e Initial load duke parents: diff changeset	294
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	295 if (TraceClassResolution && !k()->oop_is_array()) {
0 a61af66fc99e Initial load duke parents: diff changeset	296 // skip resolving the constant pool so that this code get's
a61af66fc99e Initial load duke parents: diff changeset	297 // called the next time some bytecodes refer to this class.
a61af66fc99e Initial load duke parents: diff changeset	298 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	299 int line_number = -1;
a61af66fc99e Initial load duke parents: diff changeset	300 const char * source_file = NULL;
a61af66fc99e Initial load duke parents: diff changeset	301 if (JavaThread::current()->has_last_Java_frame()) {
a61af66fc99e Initial load duke parents: diff changeset	302 // try to identify the method which called this function.
a61af66fc99e Initial load duke parents: diff changeset	303 vframeStream vfst(JavaThread::current());
a61af66fc99e Initial load duke parents: diff changeset	304 if (!vfst.at_end()) {
a61af66fc99e Initial load duke parents: diff changeset	305 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	306 Symbol* s = vfst.method()->method_holder()->source_file_name();
0 a61af66fc99e Initial load duke parents: diff changeset	307 if (s != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	308 source_file = s->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	309 }
a61af66fc99e Initial load duke parents: diff changeset	310 }
a61af66fc99e Initial load duke parents: diff changeset	311 }
a61af66fc99e Initial load duke parents: diff changeset	312 if (k() != this_oop->pool_holder()) {
a61af66fc99e Initial load duke parents: diff changeset	313 // only print something if the classes are different
a61af66fc99e Initial load duke parents: diff changeset	314 if (source_file != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	315 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	316 this_oop->pool_holder()->external_name(),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	317 InstanceKlass::cast(k())->external_name(), source_file, line_number);
0 a61af66fc99e Initial load duke parents: diff changeset	318 } else {
a61af66fc99e Initial load duke parents: diff changeset	319 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	320 this_oop->pool_holder()->external_name(),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	321 InstanceKlass::cast(k())->external_name());
0 a61af66fc99e Initial load duke parents: diff changeset	322 }
a61af66fc99e Initial load duke parents: diff changeset	323 }
a61af66fc99e Initial load duke parents: diff changeset	324 return k();
a61af66fc99e Initial load duke parents: diff changeset	325 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	326 MonitorLockerEx ml(this_oop->lock());
0 a61af66fc99e Initial load duke parents: diff changeset	327 // Only updated constant pool - if it is resolved.
a61af66fc99e Initial load duke parents: diff changeset	328 do_resolve = this_oop->tag_at(which).is_unresolved_klass();
a61af66fc99e Initial load duke parents: diff changeset	329 if (do_resolve) {
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	330 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	331 this_key->record_dependency(k(), CHECK_NULL); // Can throw OOM
0 a61af66fc99e Initial load duke parents: diff changeset	332 this_oop->klass_at_put(which, k());
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
a61af66fc99e Initial load duke parents: diff changeset	337 entry = this_oop->resolved_klass_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	338 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	339 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	340 }
a61af66fc99e Initial load duke parents: diff changeset	341
a61af66fc99e Initial load duke parents: diff changeset	342
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	343 // Does not update ConstantPool* - to avoid any exception throwing. Used
0 a61af66fc99e Initial load duke parents: diff changeset	344 // by compiler and exception handling. Also used to avoid classloads for
a61af66fc99e Initial load duke parents: diff changeset	345 // instanceof operations. Returns NULL if the class has not been loaded or
a61af66fc99e Initial load duke parents: diff changeset	346 // if the verification of constant pool failed
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	347 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	348 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	349 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	350 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	352 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	353 assert(entry.is_unresolved(), "must be either symbol or klass");
0 a61af66fc99e Initial load duke parents: diff changeset	354 Thread *thread = Thread::current();
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	355 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	356 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	357 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	358 Handle h_prot (thread, protection_domain);
a61af66fc99e Initial load duke parents: diff changeset	359 Handle h_loader (thread, loader);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	360 Klass* k = SystemDictionary::find(name, h_loader, h_prot, thread);
0 a61af66fc99e Initial load duke parents: diff changeset	361
a61af66fc99e Initial load duke parents: diff changeset	362 if (k != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	363 // Make sure that resolving is legal
a61af66fc99e Initial load duke parents: diff changeset	364 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	365 KlassHandle klass(THREAD, k);
a61af66fc99e Initial load duke parents: diff changeset	366 // return NULL if verification fails
a61af66fc99e Initial load duke parents: diff changeset	367 verify_constant_pool_resolve(this_oop, klass, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	368 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	369 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	370 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	371 }
a61af66fc99e Initial load duke parents: diff changeset	372 return klass();
a61af66fc99e Initial load duke parents: diff changeset	373 } else {
a61af66fc99e Initial load duke parents: diff changeset	374 return k;
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
a61af66fc99e Initial load duke parents: diff changeset	379
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	380 Klass* ConstantPool::klass_ref_at_if_loaded(constantPoolHandle this_oop, int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	381 return klass_at_if_loaded(this_oop, this_oop->klass_ref_index_at(which));
a61af66fc99e Initial load duke parents: diff changeset	382 }
a61af66fc99e Initial load duke parents: diff changeset	383
a61af66fc99e Initial load duke parents: diff changeset	384
a61af66fc99e Initial load duke parents: diff changeset	385 // This is an interface for the compiler that allows accessing non-resolved entries
a61af66fc99e Initial load duke parents: diff changeset	386 // in the constant pool - but still performs the validations tests. Must be used
a61af66fc99e Initial load duke parents: diff changeset	387 // in a pre-parse of the compiler - to determine what it can do and not do.
a61af66fc99e Initial load duke parents: diff changeset	388 // 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	389 Klass* ConstantPool::klass_ref_at_if_loaded_check(constantPoolHandle this_oop, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	390 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	391 CPSlot entry = this_oop->slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	394 return entry.get_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	395 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	396 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	397 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	398 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	399 oop protection_domain = this_oop->pool_holder()->protection_domain();
0 a61af66fc99e Initial load duke parents: diff changeset	400 Handle h_loader(THREAD, loader);
a61af66fc99e Initial load duke parents: diff changeset	401 Handle h_prot (THREAD, protection_domain);
a61af66fc99e Initial load duke parents: diff changeset	402 KlassHandle k(THREAD, SystemDictionary::find(name, h_loader, h_prot, THREAD));
a61af66fc99e Initial load duke parents: diff changeset	403
a61af66fc99e Initial load duke parents: diff changeset	404 // Do access check for klasses
a61af66fc99e Initial load duke parents: diff changeset	405 if( k.not_null() ) verify_constant_pool_resolve(this_oop, k, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	406 return k();
a61af66fc99e Initial load duke parents: diff changeset	407 }
a61af66fc99e Initial load duke parents: diff changeset	408 }
a61af66fc99e Initial load duke parents: diff changeset	409
a61af66fc99e Initial load duke parents: diff changeset	410
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	411 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	412 int which) {
4862 f457154eee8b 7140882: Don't return booleans from methods returning pointers brutisso parents: 3960 diff changeset	413 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	414 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	415 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	416 // 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	417 if (PrintMiscellaneous && (Verbose\|\|WizardMode)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	418 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	419 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	420 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	421 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	422 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	423 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	424 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	425
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	426
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	427 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	428 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	429 int cache_index = decode_cpcache_index(which, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 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	431 return e->has_appendix();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	432 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	433
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	434 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	435 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	436 int cache_index = decode_cpcache_index(which, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	437 ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	438 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	439 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	440
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 2460 diff changeset	441
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	442 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	443 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	444 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	445 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	446 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	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
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 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	450 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	451 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	452 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	453 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	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
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6733 diff changeset	456
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	457 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	458 int name_index = name_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
0 a61af66fc99e Initial load duke parents: diff changeset	459 return symbol_at(name_index);
a61af66fc99e Initial load duke parents: diff changeset	460 }
a61af66fc99e Initial load duke parents: diff changeset	461
a61af66fc99e Initial load duke parents: diff changeset	462
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	463 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	464 int signature_index = signature_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
0 a61af66fc99e Initial load duke parents: diff changeset	465 return symbol_at(signature_index);
a61af66fc99e Initial load duke parents: diff changeset	466 }
a61af66fc99e Initial load duke parents: diff changeset	467
a61af66fc99e Initial load duke parents: diff changeset	468
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	469 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	470 int i = which;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	471 if (!uncached && cache() != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	472 if (ConstantPool::is_invokedynamic_index(which)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	473 // Invokedynamic index is index into resolved_references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	474 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	475 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	476 assert(tag_at(pool_index).is_name_and_type(), "");
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	477 return pool_index;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	478 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	479 // change byte-ordering and go via cache
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	480 i = remap_instruction_operand_from_cache(which);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	481 } else {
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	482 if (tag_at(which).is_invoke_dynamic()) {
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	483 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	484 assert(tag_at(pool_index).is_name_and_type(), "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	485 return pool_index;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	486 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	487 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	488 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	489 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	490 jint ref_index = *int_at_addr(i);
0 a61af66fc99e Initial load duke parents: diff changeset	491 return extract_high_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	492 }
a61af66fc99e Initial load duke parents: diff changeset	493
a61af66fc99e Initial load duke parents: diff changeset	494
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	495 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	496 guarantee(!ConstantPool::is_invokedynamic_index(which),
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	497 "an invokedynamic instruction does not have a klass");
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	498 int i = which;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	499 if (!uncached && cache() != NULL) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	500 // change byte-ordering and go via cache
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	501 i = remap_instruction_operand_from_cache(which);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	502 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	503 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	504 jint ref_index = *int_at_addr(i);
0 a61af66fc99e Initial load duke parents: diff changeset	505 return extract_low_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	506 }
a61af66fc99e Initial load duke parents: diff changeset	507
a61af66fc99e Initial load duke parents: diff changeset	508
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	509
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	510 int ConstantPool::remap_instruction_operand_from_cache(int operand) {
1565 ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	511 int cpc_index = operand;
ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	512 DEBUG_ONLY(cpc_index -= CPCACHE_INDEX_TAG);
ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1142 diff changeset	513 assert((int)(u2)cpc_index == cpc_index, "clean u2");
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 773 diff changeset	514 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	515 return member_index;
726 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
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	518
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	519 void ConstantPool::verify_constant_pool_resolve(constantPoolHandle this_oop, KlassHandle k, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	520 if (k->oop_is_instance() \|\| k->oop_is_objArray()) {
a61af66fc99e Initial load duke parents: diff changeset	521 instanceKlassHandle holder (THREAD, this_oop->pool_holder());
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6733 diff changeset	522 Klass* elem_oop = k->oop_is_instance() ? k() : ObjArrayKlass::cast(k())->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	523 KlassHandle element (THREAD, elem_oop);
a61af66fc99e Initial load duke parents: diff changeset	524
a61af66fc99e Initial load duke parents: diff changeset	525 // The element type could be a typeArray - we only need the access check if it is
a61af66fc99e Initial load duke parents: diff changeset	526 // an reference to another class
a61af66fc99e Initial load duke parents: diff changeset	527 if (element->oop_is_instance()) {
a61af66fc99e Initial load duke parents: diff changeset	528 LinkResolver::check_klass_accessability(holder, element, CHECK);
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
a61af66fc99e Initial load duke parents: diff changeset	533
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	534 int ConstantPool::name_ref_index_at(int which_nt) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	535 jint ref_index = name_and_type_at(which_nt);
0 a61af66fc99e Initial load duke parents: diff changeset	536 return extract_low_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538
a61af66fc99e Initial load duke parents: diff changeset	539
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	540 int ConstantPool::signature_ref_index_at(int which_nt) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 579 diff changeset	541 jint ref_index = name_and_type_at(which_nt);
0 a61af66fc99e Initial load duke parents: diff changeset	542 return extract_high_short_from_int(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	543 }
a61af66fc99e Initial load duke parents: diff changeset	544
a61af66fc99e Initial load duke parents: diff changeset	545
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	546 Klass* ConstantPool::klass_ref_at(int which, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	547 return klass_at(klass_ref_index_at(which), CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	548 }
a61af66fc99e Initial load duke parents: diff changeset	549
a61af66fc99e Initial load duke parents: diff changeset	550
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	551 Symbol* ConstantPool::klass_name_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	552 assert(tag_at(which).is_unresolved_klass() \|\| tag_at(which).is_klass(),
a61af66fc99e Initial load duke parents: diff changeset	553 "Corrupted constant pool");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	554 // A resolved constantPool entry will contain a Klass, otherwise a Symbol.
0 a61af66fc99e Initial load duke parents: diff changeset	555 // 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	556 // tag is not updated atomicly.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	557 CPSlot entry = slot_at(which);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	558 if (entry.is_resolved()) {
0 a61af66fc99e Initial load duke parents: diff changeset	559 // Already resolved - return entry's name.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	560 assert(entry.get_klass()->is_klass(), "must be");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	561 return entry.get_klass()->name();
0 a61af66fc99e Initial load duke parents: diff changeset	562 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	563 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	564 return entry.get_symbol();
0 a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566 }
a61af66fc99e Initial load duke parents: diff changeset	567
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	568 Symbol* ConstantPool::klass_ref_at_noresolve(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	569 jint ref_index = klass_ref_index_at(which);
a61af66fc99e Initial load duke parents: diff changeset	570 return klass_at_noresolve(ref_index);
a61af66fc99e Initial load duke parents: diff changeset	571 }
a61af66fc99e Initial load duke parents: diff changeset	572
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	573 Symbol* ConstantPool::uncached_klass_ref_at_noresolve(int which) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	574 jint ref_index = uncached_klass_ref_index_at(which);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	575 return klass_at_noresolve(ref_index);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	576 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	577
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	578 char* ConstantPool::string_at_noresolve(int which) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	579 Symbol* s = unresolved_string_at(which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	580 if (s == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	581 return (char*)"<pseudo-string>";
0 a61af66fc99e Initial load duke parents: diff changeset	582 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	583 return unresolved_string_at(which)->as_C_string();
0 a61af66fc99e Initial load duke parents: diff changeset	584 }
a61af66fc99e Initial load duke parents: diff changeset	585 }
a61af66fc99e Initial load duke parents: diff changeset	586
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	587 BasicType ConstantPool::basic_type_for_signature_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	588 return FieldType::basic_type(symbol_at(which));
a61af66fc99e Initial load duke parents: diff changeset	589 }
a61af66fc99e Initial load duke parents: diff changeset	590
a61af66fc99e Initial load duke parents: diff changeset	591
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	592 void ConstantPool::resolve_string_constants_impl(constantPoolHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	593 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	594 if (this_oop->tag_at(index).is_string()) {
0 a61af66fc99e Initial load duke parents: diff changeset	595 this_oop->string_at(index, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	596 }
a61af66fc99e Initial load duke parents: diff changeset	597 }
a61af66fc99e Initial load duke parents: diff changeset	598 }
a61af66fc99e Initial load duke parents: diff changeset	599
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	600 // 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	601 // 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	602 // 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	603 // bit is set.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	604 bool ConstantPool::resolve_class_constants(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	605 constantPoolHandle cp(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	606 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	607 if (tag_at(index).is_unresolved_klass() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	608 klass_at_if_loaded(cp, index) == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	609 return false;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	610 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	611 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	612 // set_preresolution(); or some bit for future use
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	613 return true;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	614 }
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	615
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	616 // 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	617 // 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	618 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	619 int tag, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	620 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	621 Symbol* error = PENDING_EXCEPTION->klass()->name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	622 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	623
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	624 int error_tag = (tag == JVM_CONSTANT_MethodHandle) ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	625 JVM_CONSTANT_MethodHandleInError : JVM_CONSTANT_MethodTypeInError;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	626
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	627 if (!PENDING_EXCEPTION->
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	628 is_a(SystemDictionary::LinkageError_klass())) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	629 // 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	630 // 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	631 // 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	632 // 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	633
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	634 } 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	635 SystemDictionary::add_resolution_error(this_oop, which, error);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	636 this_oop->tag_at_put(which, error_tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	637 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	638 // 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	639 error = SystemDictionary::find_resolution_error(this_oop, which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	640 assert(error != NULL, "checking");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	641 CLEAR_PENDING_EXCEPTION;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	642 THROW_MSG(error, "");
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	647 // 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	648 // 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	649 // 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	650 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	651 oop result_oop = NULL;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	652 Handle throw_exception;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	653
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	654 if (cache_index == _possible_index_sentinel) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	655 // 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	656 // 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	657 assert(index > 0, "valid index");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	658 cache_index = this_oop->cp_to_object_index(index);
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	659 }
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	660 assert(cache_index == _no_index_sentinel \|\| cache_index >= 0, "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	661 assert(index == _no_index_sentinel \|\| index >= 0, "");
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	662
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	663 if (cache_index >= 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	664 result_oop = this_oop->resolved_references()->obj_at(cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	665 if (result_oop != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	666 return result_oop;
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	667 // That was easy...
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	668 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	669 index = this_oop->object_to_cp_index(cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	670 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	671
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	672 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	673
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	674 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	675
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	676 switch (tag_value) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	677
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	678 case JVM_CONSTANT_UnresolvedClass:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	679 case JVM_CONSTANT_UnresolvedClassInError:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	680 case JVM_CONSTANT_Class:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	681 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	682 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	683 Klass* resolved = klass_at_impl(this_oop, index, CHECK_NULL);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	684 // ldc wants the java mirror.
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2332 diff changeset	685 result_oop = resolved->java_mirror();
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	686 break;
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
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	689 case JVM_CONSTANT_String:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	690 assert(cache_index != _no_index_sentinel, "should have been set");
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	691 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	692 result_oop = this_oop->pseudo_string_at(index, cache_index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	693 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	694 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	695 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	696 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	697
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	698 case JVM_CONSTANT_MethodHandleInError:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	699 case JVM_CONSTANT_MethodTypeInError:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	700 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	701 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	702 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	703 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	704 THROW_MSG_0(error, "");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	705 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	706 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	707
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	708 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	709 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	710 int ref_kind = this_oop->method_handle_ref_kind_at(index);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	711 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	712 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	713 Symbol* signature = this_oop->method_handle_signature_ref_at(index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	714 if (PrintMiscellaneous)
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	715 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	716 ref_kind, index, this_oop->method_handle_index_at(index),
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	717 callee_index, name->as_C_string(), signature->as_C_string());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	718 KlassHandle callee;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	719 { 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	720 callee = KlassHandle(THREAD, k);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	721 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	722 KlassHandle klass(THREAD, this_oop->pool_holder());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	723 Handle value = SystemDictionary::link_method_handle_constant(klass, ref_kind,
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	724 callee, name, signature,
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	725 THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	726 result_oop = value();
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	727 if (HAS_PENDING_EXCEPTION) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	728 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	729 }
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	730 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	731 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	732
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	733 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	734 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	735 Symbol* signature = this_oop->method_type_signature_at(index);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	736 if (PrintMiscellaneous)
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	737 tty->print_cr("resolve JVM_CONSTANT_MethodType [%d/%d] %s",
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	738 index, this_oop->method_type_index_at(index),
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	739 signature->as_C_string());
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	740 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	741 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	742 result_oop = value();
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	743 if (HAS_PENDING_EXCEPTION) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	744 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	745 }
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	746 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	747 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	748
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	749 case JVM_CONSTANT_Integer:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	750 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	751 prim_value.i = this_oop->int_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	752 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	753 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	754
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	755 case JVM_CONSTANT_Float:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	756 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	757 prim_value.f = this_oop->float_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	758 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	759 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	760
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	761 case JVM_CONSTANT_Long:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	762 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	763 prim_value.j = this_oop->long_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	764 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	765 break;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	766
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	767 case JVM_CONSTANT_Double:
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	768 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	769 prim_value.d = this_oop->double_at(index);
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	770 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	771 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	772
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	773 default:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	774 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	775 this_oop(), index, cache_index, tag_value) );
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	776 assert(false, "unexpected constant tag");
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	777 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	778 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	779
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	780 if (cache_index >= 0) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	781 // Cache the oop here also.
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	782 Handle result_handle(THREAD, result_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	783 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	784 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	785 // 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	786 // 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	787 // 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	788 // result is used by all threads, and all future queries.
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	789 // 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	790 if (result == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	791 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	792 return result_handle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	793 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	794 // 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	795 // result_handle() for MethodHandles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	796 return result;
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	797 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	798 } else {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	799 return result_oop;
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 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	802
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	803 oop ConstantPool::uncached_string_at(int which, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	804 Symbol* sym = unresolved_string_at(which);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	805 oop str = StringTable::intern(sym, CHECK_(NULL));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	806 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	807 return str;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	808 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	809
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	810
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	811 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	812 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	813
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	814 Handle bsm;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	815 int argc;
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 // 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	818 // 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	819 // 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	820 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	821 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	822 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	823 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	824 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	825
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	826 // Extract the optional static arguments.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	827 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	828 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	829
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	830 bsm = Handle(THREAD, bsm_oop);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	831 }
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 objArrayHandle info;
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 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	836 info = objArrayHandle(THREAD, info_oop);
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
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	839 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	840 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	841 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	842 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	843 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	844 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	845
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4862 diff changeset	846 return info();
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
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	849 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	850 // 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	851 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	852 if (str != NULL) return str;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	853
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	854 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	855 str = StringTable::intern(sym, CHECK_(NULL));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	856 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	857 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	858 return str;
0 a61af66fc99e Initial load duke parents: diff changeset	859 }
a61af66fc99e Initial load duke parents: diff changeset	860
a61af66fc99e Initial load duke parents: diff changeset	861
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	862 bool ConstantPool::klass_name_at_matches(instanceKlassHandle k,
0 a61af66fc99e Initial load duke parents: diff changeset	863 int which) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	864 // 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	865 Symbol* cp_name = klass_name_at(which);
0 a61af66fc99e Initial load duke parents: diff changeset	866 return (cp_name == k->name());
a61af66fc99e Initial load duke parents: diff changeset	867 }
a61af66fc99e Initial load duke parents: diff changeset	868
a61af66fc99e Initial load duke parents: diff changeset	869
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	870 // 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	871 // 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	872 // have per-thread safepoints.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	873 // 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	874 // 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	875 void ConstantPool::unreference_symbols() {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	876 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	877 constantTag tag = tag_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	878 if (tag.is_symbol()) {
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	879 symbol_at(index)->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	880 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	881 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	882 }
0 a61af66fc99e Initial load duke parents: diff changeset	883
a61af66fc99e Initial load duke parents: diff changeset	884
a61af66fc99e Initial load duke parents: diff changeset	885 // Compare this constant pool's entry at index1 to the constant pool
a61af66fc99e Initial load duke parents: diff changeset	886 // cp2's entry at index2.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	887 bool ConstantPool::compare_entry_to(int index1, constantPoolHandle cp2,
0 a61af66fc99e Initial load duke parents: diff changeset	888 int index2, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	889
a61af66fc99e Initial load duke parents: diff changeset	890 jbyte t1 = tag_at(index1).value();
a61af66fc99e Initial load duke parents: diff changeset	891 jbyte t2 = cp2->tag_at(index2).value();
a61af66fc99e Initial load duke parents: diff changeset	892
a61af66fc99e Initial load duke parents: diff changeset	893
a61af66fc99e Initial load duke parents: diff changeset	894 // JVM_CONSTANT_UnresolvedClassInError is equal to JVM_CONSTANT_UnresolvedClass
a61af66fc99e Initial load duke parents: diff changeset	895 // when comparing
a61af66fc99e Initial load duke parents: diff changeset	896 if (t1 == JVM_CONSTANT_UnresolvedClassInError) {
a61af66fc99e Initial load duke parents: diff changeset	897 t1 = JVM_CONSTANT_UnresolvedClass;
a61af66fc99e Initial load duke parents: diff changeset	898 }
a61af66fc99e Initial load duke parents: diff changeset	899 if (t2 == JVM_CONSTANT_UnresolvedClassInError) {
a61af66fc99e Initial load duke parents: diff changeset	900 t2 = JVM_CONSTANT_UnresolvedClass;
a61af66fc99e Initial load duke parents: diff changeset	901 }
a61af66fc99e Initial load duke parents: diff changeset	902
a61af66fc99e Initial load duke parents: diff changeset	903 if (t1 != t2) {
a61af66fc99e Initial load duke parents: diff changeset	904 // Not the same entry type so there is nothing else to check. Note
a61af66fc99e Initial load duke parents: diff changeset	905 // 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	906 // class pairs as different.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	907 // 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	908 // 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	909 // plays out in the context of ConstantPool* merging.
0 a61af66fc99e Initial load duke parents: diff changeset	910 return false;
a61af66fc99e Initial load duke parents: diff changeset	911 }
a61af66fc99e Initial load duke parents: diff changeset	912
a61af66fc99e Initial load duke parents: diff changeset	913 switch (t1) {
a61af66fc99e Initial load duke parents: diff changeset	914 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	915 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	916 Klass* k1 = klass_at(index1, CHECK_false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	917 Klass* k2 = cp2->klass_at(index2, CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	918 if (k1 == k2) {
a61af66fc99e Initial load duke parents: diff changeset	919 return true;
a61af66fc99e Initial load duke parents: diff changeset	920 }
a61af66fc99e Initial load duke parents: diff changeset	921 } break;
a61af66fc99e Initial load duke parents: diff changeset	922
a61af66fc99e Initial load duke parents: diff changeset	923 case JVM_CONSTANT_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	924 {
a61af66fc99e Initial load duke parents: diff changeset	925 int recur1 = klass_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	926 int recur2 = cp2->klass_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	927 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	928 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	929 return true;
a61af66fc99e Initial load duke parents: diff changeset	930 }
a61af66fc99e Initial load duke parents: diff changeset	931 } break;
a61af66fc99e Initial load duke parents: diff changeset	932
a61af66fc99e Initial load duke parents: diff changeset	933 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	934 {
a61af66fc99e Initial load duke parents: diff changeset	935 jdouble d1 = double_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	936 jdouble d2 = cp2->double_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	937 if (d1 == d2) {
a61af66fc99e Initial load duke parents: diff changeset	938 return true;
a61af66fc99e Initial load duke parents: diff changeset	939 }
a61af66fc99e Initial load duke parents: diff changeset	940 } break;
a61af66fc99e Initial load duke parents: diff changeset	941
a61af66fc99e Initial load duke parents: diff changeset	942 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	943 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	944 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	945 {
a61af66fc99e Initial load duke parents: diff changeset	946 int recur1 = uncached_klass_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	947 int recur2 = cp2->uncached_klass_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	948 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	949 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	950 recur1 = uncached_name_and_type_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	951 recur2 = cp2->uncached_name_and_type_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	952 match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	953 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	954 return true;
a61af66fc99e Initial load duke parents: diff changeset	955 }
a61af66fc99e Initial load duke parents: diff changeset	956 }
a61af66fc99e Initial load duke parents: diff changeset	957 } break;
a61af66fc99e Initial load duke parents: diff changeset	958
a61af66fc99e Initial load duke parents: diff changeset	959 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	960 {
a61af66fc99e Initial load duke parents: diff changeset	961 jfloat f1 = float_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	962 jfloat f2 = cp2->float_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	963 if (f1 == f2) {
a61af66fc99e Initial load duke parents: diff changeset	964 return true;
a61af66fc99e Initial load duke parents: diff changeset	965 }
a61af66fc99e Initial load duke parents: diff changeset	966 } break;
a61af66fc99e Initial load duke parents: diff changeset	967
a61af66fc99e Initial load duke parents: diff changeset	968 case JVM_CONSTANT_Integer:
a61af66fc99e Initial load duke parents: diff changeset	969 {
a61af66fc99e Initial load duke parents: diff changeset	970 jint i1 = int_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	971 jint i2 = cp2->int_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	972 if (i1 == i2) {
a61af66fc99e Initial load duke parents: diff changeset	973 return true;
a61af66fc99e Initial load duke parents: diff changeset	974 }
a61af66fc99e Initial load duke parents: diff changeset	975 } break;
a61af66fc99e Initial load duke parents: diff changeset	976
a61af66fc99e Initial load duke parents: diff changeset	977 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	978 {
a61af66fc99e Initial load duke parents: diff changeset	979 jlong l1 = long_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	980 jlong l2 = cp2->long_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	981 if (l1 == l2) {
a61af66fc99e Initial load duke parents: diff changeset	982 return true;
a61af66fc99e Initial load duke parents: diff changeset	983 }
a61af66fc99e Initial load duke parents: diff changeset	984 } break;
a61af66fc99e Initial load duke parents: diff changeset	985
a61af66fc99e Initial load duke parents: diff changeset	986 case JVM_CONSTANT_NameAndType:
a61af66fc99e Initial load duke parents: diff changeset	987 {
a61af66fc99e Initial load duke parents: diff changeset	988 int recur1 = name_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	989 int recur2 = cp2->name_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	990 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	991 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	992 recur1 = signature_ref_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	993 recur2 = cp2->signature_ref_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	994 match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	995 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	996 return true;
a61af66fc99e Initial load duke parents: diff changeset	997 }
a61af66fc99e Initial load duke parents: diff changeset	998 }
a61af66fc99e Initial load duke parents: diff changeset	999 } break;
a61af66fc99e Initial load duke parents: diff changeset	1000
a61af66fc99e Initial load duke parents: diff changeset	1001 case JVM_CONSTANT_StringIndex:
a61af66fc99e Initial load duke parents: diff changeset	1002 {
a61af66fc99e Initial load duke parents: diff changeset	1003 int recur1 = string_index_at(index1);
a61af66fc99e Initial load duke parents: diff changeset	1004 int recur2 = cp2->string_index_at(index2);
a61af66fc99e Initial load duke parents: diff changeset	1005 bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	1006 if (match) {
a61af66fc99e Initial load duke parents: diff changeset	1007 return true;
a61af66fc99e Initial load duke parents: diff changeset	1008 }
a61af66fc99e Initial load duke parents: diff changeset	1009 } break;
a61af66fc99e Initial load duke parents: diff changeset	1010
a61af66fc99e Initial load duke parents: diff changeset	1011 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1012 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1013 Symbol* k1 = unresolved_klass_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1014 Symbol* k2 = cp2->unresolved_klass_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1015 if (k1 == k2) {
a61af66fc99e Initial load duke parents: diff changeset	1016 return true;
a61af66fc99e Initial load duke parents: diff changeset	1017 }
a61af66fc99e Initial load duke parents: diff changeset	1018 } break;
a61af66fc99e Initial load duke parents: diff changeset	1019
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1020 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1021 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1022 int k1 = method_type_index_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1023 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	1024 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	1025 if (match) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1026 return true;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1027 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1028 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1029
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1030 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1031 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1032 int k1 = method_handle_ref_kind_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1033 int k2 = cp2->method_handle_ref_kind_at(index2);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1034 if (k1 == k2) {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1035 int i1 = method_handle_index_at(index1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1036 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	1037 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	1038 if (match) {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1039 return true;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1040 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1041 }
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1042 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1043
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1044 case JVM_CONSTANT_InvokeDynamic:
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1045 {
10151 15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1046 int k1 = invoke_dynamic_name_and_type_ref_index_at(index1);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1047 int k2 = cp2->invoke_dynamic_name_and_type_ref_index_at(index2);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1048 int i1 = invoke_dynamic_bootstrap_specifier_index(index1);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1049 int i2 = cp2->invoke_dynamic_bootstrap_specifier_index(index2);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1050 bool match = compare_entry_to(k1, cp2, k2, CHECK_false) &&
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1051 compare_operand_to(i1, cp2, i2, CHECK_false);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1052 return match;
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1053 } break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1054
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1055 case JVM_CONSTANT_String:
0 a61af66fc99e Initial load duke parents: diff changeset	1056 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1057 Symbol* s1 = unresolved_string_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1058 Symbol* s2 = cp2->unresolved_string_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1059 if (s1 == s2) {
a61af66fc99e Initial load duke parents: diff changeset	1060 return true;
a61af66fc99e Initial load duke parents: diff changeset	1061 }
a61af66fc99e Initial load duke parents: diff changeset	1062 } break;
a61af66fc99e Initial load duke parents: diff changeset	1063
a61af66fc99e Initial load duke parents: diff changeset	1064 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1065 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1066 Symbol* s1 = symbol_at(index1);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1067 Symbol* s2 = cp2->symbol_at(index2);
0 a61af66fc99e Initial load duke parents: diff changeset	1068 if (s1 == s2) {
a61af66fc99e Initial load duke parents: diff changeset	1069 return true;
a61af66fc99e Initial load duke parents: diff changeset	1070 }
a61af66fc99e Initial load duke parents: diff changeset	1071 } break;
a61af66fc99e Initial load duke parents: diff changeset	1072
a61af66fc99e Initial load duke parents: diff changeset	1073 // Invalid is used as the tag for the second constant pool entry
a61af66fc99e Initial load duke parents: diff changeset	1074 // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
a61af66fc99e Initial load duke parents: diff changeset	1075 // not be seen by itself.
a61af66fc99e Initial load duke parents: diff changeset	1076 case JVM_CONSTANT_Invalid: // fall through
a61af66fc99e Initial load duke parents: diff changeset	1077
a61af66fc99e Initial load duke parents: diff changeset	1078 default:
a61af66fc99e Initial load duke parents: diff changeset	1079 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1080 break;
a61af66fc99e Initial load duke parents: diff changeset	1081 }
a61af66fc99e Initial load duke parents: diff changeset	1082
a61af66fc99e Initial load duke parents: diff changeset	1083 return false;
a61af66fc99e Initial load duke parents: diff changeset	1084 } // end compare_entry_to()
a61af66fc99e Initial load duke parents: diff changeset	1085
a61af66fc99e Initial load duke parents: diff changeset	1086
10151 15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1087 // Resize the operands array with delta_len and delta_size.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1088 // Used in RedefineClasses for CP merge.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1089 void ConstantPool::resize_operands(int delta_len, int delta_size, TRAPS) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1090 int old_len = operand_array_length(operands());
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1091 int new_len = old_len + delta_len;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1092 int min_len = (delta_len > 0) ? old_len : new_len;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1093
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1094 int old_size = operands()->length();
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1095 int new_size = old_size + delta_size;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1096 int min_size = (delta_size > 0) ? old_size : new_size;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1097
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1098 ClassLoaderData* loader_data = pool_holder()->class_loader_data();
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1099 Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, new_size, CHECK);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1100
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1101 // Set index in the resized array for existing elements only
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1102 for (int idx = 0; idx < min_len; idx++) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1103 int offset = operand_offset_at(idx); // offset in original array
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1104 operand_offset_at_put(new_ops, idx, offset + 2*delta_len); // offset in resized array
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1105 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1106 // Copy the bootstrap specifiers only
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1107 Copy::conjoint_memory_atomic(operands()->adr_at(2*old_len),
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1108 new_ops->adr_at(2*new_len),
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1109 (min_size - 2min_len) sizeof(u2));
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1110 // Explicitly deallocate old operands array.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1111 // Note, it is not needed for 7u backport.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1112 if ( operands() != NULL) { // the safety check
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1113 MetadataFactory::free_array<u2>(loader_data, operands());
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1114 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1115 set_operands(new_ops);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1116 } // end resize_operands()
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1117
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1118
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1119 // Extend the operands array with the length and size of the ext_cp operands.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1120 // Used in RedefineClasses for CP merge.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1121 void ConstantPool::extend_operands(constantPoolHandle ext_cp, TRAPS) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1122 int delta_len = operand_array_length(ext_cp->operands());
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1123 if (delta_len == 0) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1124 return; // nothing to do
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1125 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1126 int delta_size = ext_cp->operands()->length();
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1127
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1128 assert(delta_len > 0 && delta_size > 0, "extended operands array must be bigger");
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1129
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1130 if (operand_array_length(operands()) == 0) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1131 ClassLoaderData* loader_data = pool_holder()->class_loader_data();
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1132 Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, delta_size, CHECK);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1133 // The first element index defines the offset of second part
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1134 operand_offset_at_put(new_ops, 0, 2*delta_len); // offset in new array
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1135 set_operands(new_ops);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1136 } else {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1137 resize_operands(delta_len, delta_size, CHECK);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1138 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1139
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1140 } // end extend_operands()
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1141
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1142
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1143 // Shrink the operands array to a smaller array with new_len length.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1144 // Used in RedefineClasses for CP merge.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1145 void ConstantPool::shrink_operands(int new_len, TRAPS) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1146 int old_len = operand_array_length(operands());
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1147 if (new_len == old_len) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1148 return; // nothing to do
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1149 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1150 assert(new_len < old_len, "shrunken operands array must be smaller");
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1151
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1152 int free_base = operand_next_offset_at(new_len - 1);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1153 int delta_len = new_len - old_len;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1154 int delta_size = 2*delta_len + free_base - operands()->length();
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1155
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1156 resize_operands(delta_len, delta_size, CHECK);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1157
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1158 } // end shrink_operands()
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1159
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1160
7952 edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1161 void ConstantPool::copy_operands(constantPoolHandle from_cp,
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1162 constantPoolHandle to_cp,
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1163 TRAPS) {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1164
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1165 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	1166 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	1167 if (from_oplen != 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1168 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	1169 // 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	1170 if (old_oplen == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1171 // 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	1172 int len = from_cp->operands()->length();
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1173 Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, len, CHECK);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1174 Copy::conjoint_memory_atomic(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6840 diff changeset	1175 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	1176 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	1177 } else {
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1178 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	1179 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	1180 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	1181 int from_off = from_oplen * sizeof(u2);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1182 // Use the metaspace for the destination constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1183 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	1184 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	1185 // first part of dest
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1186 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	1187 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	1188 (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	1189 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1190 // first part of src
7964 dc31f560d6e7 8006546: JSR 292: typos in the ConstantPool::copy_cp_impl() sspitsyn parents: 7957 diff changeset	1191 Copy::conjoint_memory_atomic(from_cp->operands()->adr_at(0),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1192 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	1193 (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	1194 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1195 // second part of dest
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1196 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	1197 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	1198 (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	1199 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1200 // second part of src
7964 dc31f560d6e7 8006546: JSR 292: typos in the ConstantPool::copy_cp_impl() sspitsyn parents: 7957 diff changeset	1201 Copy::conjoint_memory_atomic(from_cp->operands()->adr_at(from_off),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1202 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	1203 (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	1204 fillp += len;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1205 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	1206
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1207 // 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	1208 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	1209 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	1210 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	1211 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	1212 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	1213 }
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1214
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1215 // replace target operands array with combined array
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1216 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	1217 }
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1218 }
7952 edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1219 } // end copy_operands()
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1220
7952 edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1221
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1222 // Copy this constant pool's entries at start_i to end_i (inclusive)
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1223 // to the constant pool to_cp's entries starting at to_i. A total of
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1224 // (end_i - start_i) + 1 entries are copied.
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1225 void ConstantPool::copy_cp_to_impl(constantPoolHandle from_cp, int start_i, int end_i,
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1226 constantPoolHandle to_cp, int to_i, TRAPS) {
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1227
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1228
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1229 int dest_i = to_i; // leave original alone for debug purposes
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1230
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1231 for (int src_i = start_i; src_i <= end_i; /* see loop bottom */ ) {
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1232 copy_entry_to(from_cp, src_i, to_cp, dest_i, CHECK);
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1233
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1234 switch (from_cp->tag_at(src_i).value()) {
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1235 case JVM_CONSTANT_Double:
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1236 case JVM_CONSTANT_Long:
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1237 // double and long take two constant pool entries
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1238 src_i += 2;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1239 dest_i += 2;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1240 break;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1241
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1242 default:
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1243 // all others take one constant pool entry
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1244 src_i++;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1245 dest_i++;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1246 break;
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1247 }
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1248 }
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1249 copy_operands(from_cp, to_cp, CHECK);
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1250
edd76a5856f7 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to sspitsyn parents: 7949 diff changeset	1251 } // end copy_cp_to_impl()
0 a61af66fc99e Initial load duke parents: diff changeset	1252
a61af66fc99e Initial load duke parents: diff changeset	1253
a61af66fc99e Initial load duke parents: diff changeset	1254 // Copy this constant pool's entry at from_i to the constant pool
a61af66fc99e Initial load duke parents: diff changeset	1255 // to_cp's entry at to_i.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1256 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	1257 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	1258 TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1259
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1260 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	1261 switch (tag) {
0 a61af66fc99e Initial load duke parents: diff changeset	1262 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1263 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1264 Klass* k = from_cp->klass_at(from_i, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	1265 to_cp->klass_at_put(to_i, k);
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_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	1269 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1270 jint ki = from_cp->klass_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1271 to_cp->klass_index_at_put(to_i, ki);
a61af66fc99e Initial load duke parents: diff changeset	1272 } break;
a61af66fc99e Initial load duke parents: diff changeset	1273
a61af66fc99e Initial load duke parents: diff changeset	1274 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	1275 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1276 jdouble d = from_cp->double_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1277 to_cp->double_at_put(to_i, d);
a61af66fc99e Initial load duke parents: diff changeset	1278 // double takes two constant pool entries so init second entry's tag
a61af66fc99e Initial load duke parents: diff changeset	1279 to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
a61af66fc99e Initial load duke parents: diff changeset	1280 } break;
a61af66fc99e Initial load duke parents: diff changeset	1281
a61af66fc99e Initial load duke parents: diff changeset	1282 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1283 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1284 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	1285 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1286 to_cp->field_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1287 } break;
a61af66fc99e Initial load duke parents: diff changeset	1288
a61af66fc99e Initial load duke parents: diff changeset	1289 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	1290 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1291 jfloat f = from_cp->float_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1292 to_cp->float_at_put(to_i, f);
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_Integer:
a61af66fc99e Initial load duke parents: diff changeset	1296 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1297 jint i = from_cp->int_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1298 to_cp->int_at_put(to_i, i);
a61af66fc99e Initial load duke parents: diff changeset	1299 } break;
a61af66fc99e Initial load duke parents: diff changeset	1300
a61af66fc99e Initial load duke parents: diff changeset	1301 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	1302 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1303 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	1304 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1305 to_cp->interface_method_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1306 } break;
a61af66fc99e Initial load duke parents: diff changeset	1307
a61af66fc99e Initial load duke parents: diff changeset	1308 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1309 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1310 jlong l = from_cp->long_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1311 to_cp->long_at_put(to_i, l);
a61af66fc99e Initial load duke parents: diff changeset	1312 // long takes two constant pool entries so init second entry's tag
a61af66fc99e Initial load duke parents: diff changeset	1313 to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
a61af66fc99e Initial load duke parents: diff changeset	1314 } break;
a61af66fc99e Initial load duke parents: diff changeset	1315
a61af66fc99e Initial load duke parents: diff changeset	1316 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: 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 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	1319 int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1320 to_cp->method_at_put(to_i, class_index, name_and_type_index);
a61af66fc99e Initial load duke parents: diff changeset	1321 } break;
a61af66fc99e Initial load duke parents: diff changeset	1322
a61af66fc99e Initial load duke parents: diff changeset	1323 case JVM_CONSTANT_NameAndType:
a61af66fc99e Initial load duke parents: diff changeset	1324 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1325 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	1326 int signature_ref_index = from_cp->signature_ref_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1327 to_cp->name_and_type_at_put(to_i, name_ref_index, signature_ref_index);
a61af66fc99e Initial load duke parents: diff changeset	1328 } break;
a61af66fc99e Initial load duke parents: diff changeset	1329
a61af66fc99e Initial load duke parents: diff changeset	1330 case JVM_CONSTANT_StringIndex:
a61af66fc99e Initial load duke parents: diff changeset	1331 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1332 jint si = from_cp->string_index_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1333 to_cp->string_index_at_put(to_i, si);
a61af66fc99e Initial load duke parents: diff changeset	1334 } break;
a61af66fc99e Initial load duke parents: diff changeset	1335
a61af66fc99e Initial load duke parents: diff changeset	1336 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1337 {
2332 fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1338 // 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	1339 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	1340 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1341 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	1342 // Already resolved
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1343 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	1344 } else {
fbbeec6dad2d 6512830: Error: assert(tag_at(which).is_unresolved_klass(), "Corrupted constant pool") coleenp parents: 2177 diff changeset	1345 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	1346 }
0 a61af66fc99e Initial load duke parents: diff changeset	1347 } break;
a61af66fc99e Initial load duke parents: diff changeset	1348
a61af66fc99e Initial load duke parents: diff changeset	1349 case JVM_CONSTANT_UnresolvedClassInError:
a61af66fc99e Initial load duke parents: diff changeset	1350 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1351 Symbol* k = from_cp->unresolved_klass_at(from_i);
0 a61af66fc99e Initial load duke parents: diff changeset	1352 to_cp->unresolved_klass_at_put(to_i, k);
a61af66fc99e Initial load duke parents: diff changeset	1353 to_cp->tag_at_put(to_i, JVM_CONSTANT_UnresolvedClassInError);
a61af66fc99e Initial load duke parents: diff changeset	1354 } break;
a61af66fc99e Initial load duke parents: diff changeset	1355
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 case JVM_CONSTANT_String:
0 a61af66fc99e Initial load duke parents: diff changeset	1358 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1359 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	1360 to_cp->unresolved_string_at_put(to_i, s);
0 a61af66fc99e Initial load duke parents: diff changeset	1361 } break;
a61af66fc99e Initial load duke parents: diff changeset	1362
a61af66fc99e Initial load duke parents: diff changeset	1363 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1364 {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1365 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	1366 // 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	1367 s->increment_refcount();
0 a61af66fc99e Initial load duke parents: diff changeset	1368 to_cp->symbol_at_put(to_i, s);
a61af66fc99e Initial load duke parents: diff changeset	1369 } break;
a61af66fc99e Initial load duke parents: diff changeset	1370
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1371 case JVM_CONSTANT_MethodType:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1372 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1373 jint k = from_cp->method_type_index_at(from_i);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1374 to_cp->method_type_index_at_put(to_i, k);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1375 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1376
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1377 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1378 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1379 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	1380 int k2 = from_cp->method_handle_index_at(from_i);
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1381 to_cp->method_handle_index_at_put(to_i, k1, k2);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1382 } break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1383
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1384 case JVM_CONSTANT_InvokeDynamic:
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1385 {
2011 dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1386 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	1387 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	1388 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	1389 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	1390 } break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1391
0 a61af66fc99e Initial load duke parents: diff changeset	1392 // Invalid is used as the tag for the second constant pool entry
a61af66fc99e Initial load duke parents: diff changeset	1393 // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
a61af66fc99e Initial load duke parents: diff changeset	1394 // not be seen by itself.
a61af66fc99e Initial load duke parents: diff changeset	1395 case JVM_CONSTANT_Invalid: // fall through
a61af66fc99e Initial load duke parents: diff changeset	1396
a61af66fc99e Initial load duke parents: diff changeset	1397 default:
a61af66fc99e Initial load duke parents: diff changeset	1398 {
a61af66fc99e Initial load duke parents: diff changeset	1399 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1400 } break;
a61af66fc99e Initial load duke parents: diff changeset	1401 }
a61af66fc99e Initial load duke parents: diff changeset	1402 } // end copy_entry_to()
a61af66fc99e Initial load duke parents: diff changeset	1403
a61af66fc99e Initial load duke parents: diff changeset	1404
a61af66fc99e Initial load duke parents: diff changeset	1405 // Search constant pool search_cp for an entry that matches this
a61af66fc99e Initial load duke parents: diff changeset	1406 // constant pool's entry at pattern_i. Returns the index of a
a61af66fc99e Initial load duke parents: diff changeset	1407 // 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	1408 int ConstantPool::find_matching_entry(int pattern_i,
0 a61af66fc99e Initial load duke parents: diff changeset	1409 constantPoolHandle search_cp, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	1410
a61af66fc99e Initial load duke parents: diff changeset	1411 // index zero (0) is not used
a61af66fc99e Initial load duke parents: diff changeset	1412 for (int i = 1; i < search_cp->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	1413 bool found = compare_entry_to(pattern_i, search_cp, i, CHECK_0);
a61af66fc99e Initial load duke parents: diff changeset	1414 if (found) {
a61af66fc99e Initial load duke parents: diff changeset	1415 return i;
a61af66fc99e Initial load duke parents: diff changeset	1416 }
a61af66fc99e Initial load duke parents: diff changeset	1417 }
a61af66fc99e Initial load duke parents: diff changeset	1418
a61af66fc99e Initial load duke parents: diff changeset	1419 return 0; // entry not found; return unused index zero (0)
a61af66fc99e Initial load duke parents: diff changeset	1420 } // end find_matching_entry()
a61af66fc99e Initial load duke parents: diff changeset	1421
a61af66fc99e Initial load duke parents: diff changeset	1422
10151 15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1423 // Compare this constant pool's bootstrap specifier at idx1 to the constant pool
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1424 // cp2's bootstrap specifier at idx2.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1425 bool ConstantPool::compare_operand_to(int idx1, constantPoolHandle cp2, int idx2, TRAPS) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1426 int k1 = operand_bootstrap_method_ref_index_at(idx1);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1427 int k2 = cp2->operand_bootstrap_method_ref_index_at(idx2);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1428 bool match = compare_entry_to(k1, cp2, k2, CHECK_false);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1429
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1430 if (!match) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1431 return false;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1432 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1433 int argc = operand_argument_count_at(idx1);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1434 if (argc == cp2->operand_argument_count_at(idx2)) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1435 for (int j = 0; j < argc; j++) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1436 k1 = operand_argument_index_at(idx1, j);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1437 k2 = cp2->operand_argument_index_at(idx2, j);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1438 match = compare_entry_to(k1, cp2, k2, CHECK_false);
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1439 if (!match) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1440 return false;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1441 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1442 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1443 return true; // got through loop; all elements equal
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1444 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1445 return false;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1446 } // end compare_operand_to()
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1447
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1448 // Search constant pool search_cp for a bootstrap specifier that matches
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1449 // this constant pool's bootstrap specifier at pattern_i index.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1450 // Return the index of a matching bootstrap specifier or (-1) if there is no match.
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1451 int ConstantPool::find_matching_operand(int pattern_i,
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1452 constantPoolHandle search_cp, int search_len, TRAPS) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1453 for (int i = 0; i < search_len; i++) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1454 bool found = compare_operand_to(pattern_i, search_cp, i, CHECK_(-1));
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1455 if (found) {
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1456 return i;
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1457 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1458 }
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1459 return -1; // bootstrap specifier not found; return unused index (-1)
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1460 } // end find_matching_operand()
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1461
15a99ca4ee34 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands sspitsyn parents: 9060 diff changeset	1462
0 a61af66fc99e Initial load duke parents: diff changeset	1463 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1464
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1465 const char* ConstantPool::printable_name_at(int which) {
0 a61af66fc99e Initial load duke parents: diff changeset	1466
a61af66fc99e Initial load duke parents: diff changeset	1467 constantTag tag = tag_at(which);
a61af66fc99e Initial load duke parents: diff changeset	1468
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1469 if (tag.is_string()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1470 return string_at_noresolve(which);
a61af66fc99e Initial load duke parents: diff changeset	1471 } else if (tag.is_klass() \|\| tag.is_unresolved_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	1472 return klass_name_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	1473 } else if (tag.is_symbol()) {
a61af66fc99e Initial load duke parents: diff changeset	1474 return symbol_at(which)->as_C_string();
a61af66fc99e Initial load duke parents: diff changeset	1475 }
a61af66fc99e Initial load duke parents: diff changeset	1476 return "";
a61af66fc99e Initial load duke parents: diff changeset	1477 }
a61af66fc99e Initial load duke parents: diff changeset	1478
a61af66fc99e Initial load duke parents: diff changeset	1479 #endif // PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1480
a61af66fc99e Initial load duke parents: diff changeset	1481
a61af66fc99e Initial load duke parents: diff changeset	1482 // JVMTI GetConstantPool support
a61af66fc99e Initial load duke parents: diff changeset	1483
9060 cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1484 // For debugging of constant pool
cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1485 const bool debug_cpool = false;
0 a61af66fc99e Initial load duke parents: diff changeset	1486
9060 cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1487 #define DBG(code) do { if (debug_cpool) { (code); } } while(0)
0 a61af66fc99e Initial load duke parents: diff changeset	1488
a61af66fc99e Initial load duke parents: diff changeset	1489 static void print_cpool_bytes(jint cnt, u1 *bytes) {
9060 cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1490 const char* WARN_MSG = "Must not be such entry!";
0 a61af66fc99e Initial load duke parents: diff changeset	1491 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1492 u2 idx1, idx2;
a61af66fc99e Initial load duke parents: diff changeset	1493
a61af66fc99e Initial load duke parents: diff changeset	1494 for (jint idx = 1; idx < cnt; idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1495 jint ent_size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1496 u1 tag = *bytes++;
a61af66fc99e Initial load duke parents: diff changeset	1497 size++; // count tag
a61af66fc99e Initial load duke parents: diff changeset	1498
a61af66fc99e Initial load duke parents: diff changeset	1499 printf("const #%03d, tag: %02d ", idx, tag);
a61af66fc99e Initial load duke parents: diff changeset	1500 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1501 case JVM_CONSTANT_Invalid: {
a61af66fc99e Initial load duke parents: diff changeset	1502 printf("Invalid");
a61af66fc99e Initial load duke parents: diff changeset	1503 break;
a61af66fc99e Initial load duke parents: diff changeset	1504 }
a61af66fc99e Initial load duke parents: diff changeset	1505 case JVM_CONSTANT_Unicode: {
a61af66fc99e Initial load duke parents: diff changeset	1506 printf("Unicode %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1507 break;
a61af66fc99e Initial load duke parents: diff changeset	1508 }
a61af66fc99e Initial load duke parents: diff changeset	1509 case JVM_CONSTANT_Utf8: {
a61af66fc99e Initial load duke parents: diff changeset	1510 u2 len = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1511 char str[128];
a61af66fc99e Initial load duke parents: diff changeset	1512 if (len > 127) {
a61af66fc99e Initial load duke parents: diff changeset	1513 len = 127;
a61af66fc99e Initial load duke parents: diff changeset	1514 }
a61af66fc99e Initial load duke parents: diff changeset	1515 strncpy(str, (char *) (bytes+2), len);
a61af66fc99e Initial load duke parents: diff changeset	1516 str[len] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	1517 printf("Utf8 \"%s\"", str);
a61af66fc99e Initial load duke parents: diff changeset	1518 ent_size = 2 + len;
a61af66fc99e Initial load duke parents: diff changeset	1519 break;
a61af66fc99e Initial load duke parents: diff changeset	1520 }
a61af66fc99e Initial load duke parents: diff changeset	1521 case JVM_CONSTANT_Integer: {
a61af66fc99e Initial load duke parents: diff changeset	1522 u4 val = Bytes::get_Java_u4(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1523 printf("int %d", (int ) &val);
a61af66fc99e Initial load duke parents: diff changeset	1524 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1525 break;
a61af66fc99e Initial load duke parents: diff changeset	1526 }
a61af66fc99e Initial load duke parents: diff changeset	1527 case JVM_CONSTANT_Float: {
a61af66fc99e Initial load duke parents: diff changeset	1528 u4 val = Bytes::get_Java_u4(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1529 printf("float %5.3ff", (float ) &val);
a61af66fc99e Initial load duke parents: diff changeset	1530 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1531 break;
a61af66fc99e Initial load duke parents: diff changeset	1532 }
a61af66fc99e Initial load duke parents: diff changeset	1533 case JVM_CONSTANT_Long: {
a61af66fc99e Initial load duke parents: diff changeset	1534 u8 val = Bytes::get_Java_u8(bytes);
3960 f08d439fab8c 7089790: integrate bsd-port changes never parents: 3785 diff changeset	1535 printf("long "INT64_FORMAT, (int64_t) (jlong ) &val);
0 a61af66fc99e Initial load duke parents: diff changeset	1536 ent_size = 8;
a61af66fc99e Initial load duke parents: diff changeset	1537 idx++; // Long takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1538 break;
a61af66fc99e Initial load duke parents: diff changeset	1539 }
a61af66fc99e Initial load duke parents: diff changeset	1540 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1541 u8 val = Bytes::get_Java_u8(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1542 printf("double %5.3fd", (jdouble )&val);
a61af66fc99e Initial load duke parents: diff changeset	1543 ent_size = 8;
a61af66fc99e Initial load duke parents: diff changeset	1544 idx++; // Double takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1545 break;
a61af66fc99e Initial load duke parents: diff changeset	1546 }
a61af66fc99e Initial load duke parents: diff changeset	1547 case JVM_CONSTANT_Class: {
a61af66fc99e Initial load duke parents: diff changeset	1548 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1549 printf("class #%03d", idx1);
a61af66fc99e Initial load duke parents: diff changeset	1550 ent_size = 2;
a61af66fc99e Initial load duke parents: diff changeset	1551 break;
a61af66fc99e Initial load duke parents: diff changeset	1552 }
a61af66fc99e Initial load duke parents: diff changeset	1553 case JVM_CONSTANT_String: {
a61af66fc99e Initial load duke parents: diff changeset	1554 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1555 printf("String #%03d", idx1);
a61af66fc99e Initial load duke parents: diff changeset	1556 ent_size = 2;
a61af66fc99e Initial load duke parents: diff changeset	1557 break;
a61af66fc99e Initial load duke parents: diff changeset	1558 }
a61af66fc99e Initial load duke parents: diff changeset	1559 case JVM_CONSTANT_Fieldref: {
a61af66fc99e Initial load duke parents: diff changeset	1560 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1561 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1562 printf("Field #%03d, #%03d", (int) idx1, (int) idx2);
a61af66fc99e Initial load duke parents: diff changeset	1563 ent_size = 4;
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_Methodref: {
a61af66fc99e Initial load duke parents: diff changeset	1567 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1568 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1569 printf("Method #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1570 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1571 break;
a61af66fc99e Initial load duke parents: diff changeset	1572 }
a61af66fc99e Initial load duke parents: diff changeset	1573 case JVM_CONSTANT_InterfaceMethodref: {
a61af66fc99e Initial load duke parents: diff changeset	1574 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1575 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1576 printf("InterfMethod #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1577 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1578 break;
a61af66fc99e Initial load duke parents: diff changeset	1579 }
a61af66fc99e Initial load duke parents: diff changeset	1580 case JVM_CONSTANT_NameAndType: {
a61af66fc99e Initial load duke parents: diff changeset	1581 idx1 = Bytes::get_Java_u2(bytes);
a61af66fc99e Initial load duke parents: diff changeset	1582 idx2 = Bytes::get_Java_u2(bytes+2);
a61af66fc99e Initial load duke parents: diff changeset	1583 printf("NameAndType #%03d, #%03d", idx1, idx2);
a61af66fc99e Initial load duke parents: diff changeset	1584 ent_size = 4;
a61af66fc99e Initial load duke parents: diff changeset	1585 break;
a61af66fc99e Initial load duke parents: diff changeset	1586 }
a61af66fc99e Initial load duke parents: diff changeset	1587 case JVM_CONSTANT_ClassIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1588 printf("ClassIndex %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1589 break;
a61af66fc99e Initial load duke parents: diff changeset	1590 }
a61af66fc99e Initial load duke parents: diff changeset	1591 case JVM_CONSTANT_UnresolvedClass: {
a61af66fc99e Initial load duke parents: diff changeset	1592 printf("UnresolvedClass: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1593 break;
a61af66fc99e Initial load duke parents: diff changeset	1594 }
a61af66fc99e Initial load duke parents: diff changeset	1595 case JVM_CONSTANT_UnresolvedClassInError: {
a61af66fc99e Initial load duke parents: diff changeset	1596 printf("UnresolvedClassInErr: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1597 break;
a61af66fc99e Initial load duke parents: diff changeset	1598 }
a61af66fc99e Initial load duke parents: diff changeset	1599 case JVM_CONSTANT_StringIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1600 printf("StringIndex: %s", WARN_MSG);
a61af66fc99e Initial load duke parents: diff changeset	1601 break;
a61af66fc99e Initial load duke parents: diff changeset	1602 }
a61af66fc99e Initial load duke parents: diff changeset	1603 }
a61af66fc99e Initial load duke parents: diff changeset	1604 printf(";\n");
a61af66fc99e Initial load duke parents: diff changeset	1605 bytes += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1606 size += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1607 }
a61af66fc99e Initial load duke parents: diff changeset	1608 printf("Cpool size: %d\n", size);
a61af66fc99e Initial load duke parents: diff changeset	1609 fflush(0);
a61af66fc99e Initial load duke parents: diff changeset	1610 return;
a61af66fc99e Initial load duke parents: diff changeset	1611 } /* end print_cpool_bytes */
a61af66fc99e Initial load duke parents: diff changeset	1612
a61af66fc99e Initial load duke parents: diff changeset	1613
a61af66fc99e Initial load duke parents: diff changeset	1614 // Returns size of constant pool entry.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1615 jint ConstantPool::cpool_entry_size(jint idx) {
0 a61af66fc99e Initial load duke parents: diff changeset	1616 switch(tag_at(idx).value()) {
a61af66fc99e Initial load duke parents: diff changeset	1617 case JVM_CONSTANT_Invalid:
a61af66fc99e Initial load duke parents: diff changeset	1618 case JVM_CONSTANT_Unicode:
a61af66fc99e Initial load duke parents: diff changeset	1619 return 1;
a61af66fc99e Initial load duke parents: diff changeset	1620
a61af66fc99e Initial load duke parents: diff changeset	1621 case JVM_CONSTANT_Utf8:
a61af66fc99e Initial load duke parents: diff changeset	1622 return 3 + symbol_at(idx)->utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	1623
a61af66fc99e Initial load duke parents: diff changeset	1624 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1625 case JVM_CONSTANT_String:
a61af66fc99e Initial load duke parents: diff changeset	1626 case JVM_CONSTANT_ClassIndex:
a61af66fc99e Initial load duke parents: diff changeset	1627 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1628 case JVM_CONSTANT_UnresolvedClassInError:
a61af66fc99e Initial load duke parents: diff changeset	1629 case JVM_CONSTANT_StringIndex:
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1630 case JVM_CONSTANT_MethodType:
0 a61af66fc99e Initial load duke parents: diff changeset	1631 return 3;
a61af66fc99e Initial load duke parents: diff changeset	1632
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1633 case JVM_CONSTANT_MethodHandle:
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1634 return 4; //tag, ref_kind, ref_index
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1635
0 a61af66fc99e Initial load duke parents: diff changeset	1636 case JVM_CONSTANT_Integer:
a61af66fc99e Initial load duke parents: diff changeset	1637 case JVM_CONSTANT_Float:
a61af66fc99e Initial load duke parents: diff changeset	1638 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1639 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	1640 case JVM_CONSTANT_InterfaceMethodref:
a61af66fc99e Initial load duke parents: diff changeset	1641 case JVM_CONSTANT_NameAndType:
1913 3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1642 return 5;
3b2dea75431e 6984311: JSR 292 needs optional bootstrap method parameters jrose parents: 1910 diff changeset	1643
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1644 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	1645 // 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	1646 return 5;
0 a61af66fc99e Initial load duke parents: diff changeset	1647
a61af66fc99e Initial load duke parents: diff changeset	1648 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1649 case JVM_CONSTANT_Double:
a61af66fc99e Initial load duke parents: diff changeset	1650 return 9;
a61af66fc99e Initial load duke parents: diff changeset	1651 }
a61af66fc99e Initial load duke parents: diff changeset	1652 assert(false, "cpool_entry_size: Invalid constant pool entry tag");
a61af66fc99e Initial load duke parents: diff changeset	1653 return 1;
a61af66fc99e Initial load duke parents: diff changeset	1654 } /* end cpool_entry_size */
a61af66fc99e Initial load duke parents: diff changeset	1655
a61af66fc99e Initial load duke parents: diff changeset	1656
a61af66fc99e Initial load duke parents: diff changeset	1657 // SymbolHashMap is used to find a constant pool index from a string.
a61af66fc99e Initial load duke parents: diff changeset	1658 // This function fills in SymbolHashMaps, one for utf8s and one for
a61af66fc99e Initial load duke parents: diff changeset	1659 // 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	1660 jint ConstantPool::hash_entries_to(SymbolHashMap *symmap,
0 a61af66fc99e Initial load duke parents: diff changeset	1661 SymbolHashMap *classmap) {
a61af66fc99e Initial load duke parents: diff changeset	1662 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1663
a61af66fc99e Initial load duke parents: diff changeset	1664 for (u2 idx = 1; idx < length(); idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1665 u2 tag = tag_at(idx).value();
a61af66fc99e Initial load duke parents: diff changeset	1666 size += cpool_entry_size(idx);
a61af66fc99e Initial load duke parents: diff changeset	1667
a61af66fc99e Initial load duke parents: diff changeset	1668 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1669 case JVM_CONSTANT_Utf8: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1670 Symbol* sym = symbol_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1671 symmap->add_entry(sym, idx);
a61af66fc99e Initial load duke parents: diff changeset	1672 DBG(printf("adding symbol entry %s = %d\n", sym->as_utf8(), idx));
a61af66fc99e Initial load duke parents: diff changeset	1673 break;
a61af66fc99e Initial load duke parents: diff changeset	1674 }
a61af66fc99e Initial load duke parents: diff changeset	1675 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1676 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1677 case JVM_CONSTANT_UnresolvedClassInError: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1678 Symbol* sym = klass_name_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1679 classmap->add_entry(sym, idx);
a61af66fc99e Initial load duke parents: diff changeset	1680 DBG(printf("adding class entry %s = %d\n", sym->as_utf8(), idx));
a61af66fc99e Initial load duke parents: diff changeset	1681 break;
a61af66fc99e Initial load duke parents: diff changeset	1682 }
a61af66fc99e Initial load duke parents: diff changeset	1683 case JVM_CONSTANT_Long:
a61af66fc99e Initial load duke parents: diff changeset	1684 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1685 idx++; // Both Long and Double take two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1686 break;
a61af66fc99e Initial load duke parents: diff changeset	1687 }
a61af66fc99e Initial load duke parents: diff changeset	1688 }
a61af66fc99e Initial load duke parents: diff changeset	1689 }
a61af66fc99e Initial load duke parents: diff changeset	1690 return size;
a61af66fc99e Initial load duke parents: diff changeset	1691 } /* end hash_utf8_entries_to */
a61af66fc99e Initial load duke parents: diff changeset	1692
a61af66fc99e Initial load duke parents: diff changeset	1693
a61af66fc99e Initial load duke parents: diff changeset	1694 // Copy cpool bytes.
a61af66fc99e Initial load duke parents: diff changeset	1695 // Returns:
a61af66fc99e Initial load duke parents: diff changeset	1696 // 0, in case of OutOfMemoryError
a61af66fc99e Initial load duke parents: diff changeset	1697 // -1, in case of internal error
a61af66fc99e Initial load duke parents: diff changeset	1698 // > 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	1699 int ConstantPool::copy_cpool_bytes(int cpool_size,
0 a61af66fc99e Initial load duke parents: diff changeset	1700 SymbolHashMap* tbl,
a61af66fc99e Initial load duke parents: diff changeset	1701 unsigned char *bytes) {
a61af66fc99e Initial load duke parents: diff changeset	1702 u2 idx1, idx2;
a61af66fc99e Initial load duke parents: diff changeset	1703 jint size = 0;
a61af66fc99e Initial load duke parents: diff changeset	1704 jint cnt = length();
a61af66fc99e Initial load duke parents: diff changeset	1705 unsigned char *start_bytes = bytes;
a61af66fc99e Initial load duke parents: diff changeset	1706
a61af66fc99e Initial load duke parents: diff changeset	1707 for (jint idx = 1; idx < cnt; idx++) {
a61af66fc99e Initial load duke parents: diff changeset	1708 u1 tag = tag_at(idx).value();
a61af66fc99e Initial load duke parents: diff changeset	1709 jint ent_size = cpool_entry_size(idx);
a61af66fc99e Initial load duke parents: diff changeset	1710
a61af66fc99e Initial load duke parents: diff changeset	1711 assert(size + ent_size <= cpool_size, "Size mismatch");
a61af66fc99e Initial load duke parents: diff changeset	1712
a61af66fc99e Initial load duke parents: diff changeset	1713 *bytes = tag;
a61af66fc99e Initial load duke parents: diff changeset	1714 DBG(printf("#%03hd tag=%03hd, ", idx, tag));
a61af66fc99e Initial load duke parents: diff changeset	1715 switch(tag) {
a61af66fc99e Initial load duke parents: diff changeset	1716 case JVM_CONSTANT_Invalid: {
a61af66fc99e Initial load duke parents: diff changeset	1717 DBG(printf("JVM_CONSTANT_Invalid"));
a61af66fc99e Initial load duke parents: diff changeset	1718 break;
a61af66fc99e Initial load duke parents: diff changeset	1719 }
a61af66fc99e Initial load duke parents: diff changeset	1720 case JVM_CONSTANT_Unicode: {
a61af66fc99e Initial load duke parents: diff changeset	1721 assert(false, "Wrong constant pool tag: JVM_CONSTANT_Unicode");
a61af66fc99e Initial load duke parents: diff changeset	1722 DBG(printf("JVM_CONSTANT_Unicode"));
a61af66fc99e Initial load duke parents: diff changeset	1723 break;
a61af66fc99e Initial load duke parents: diff changeset	1724 }
a61af66fc99e Initial load duke parents: diff changeset	1725 case JVM_CONSTANT_Utf8: {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1726 Symbol* sym = symbol_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1727 char* str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	1728 // Warning! It's crashing on x86 with len = sym->utf8_length()
a61af66fc99e Initial load duke parents: diff changeset	1729 int len = (int) strlen(str);
a61af66fc99e Initial load duke parents: diff changeset	1730 Bytes::put_Java_u2((address) (bytes+1), (u2) len);
a61af66fc99e Initial load duke parents: diff changeset	1731 for (int i = 0; i < len; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1732 bytes[3+i] = (u1) str[i];
a61af66fc99e Initial load duke parents: diff changeset	1733 }
a61af66fc99e Initial load duke parents: diff changeset	1734 DBG(printf("JVM_CONSTANT_Utf8: %s ", str));
a61af66fc99e Initial load duke parents: diff changeset	1735 break;
a61af66fc99e Initial load duke parents: diff changeset	1736 }
a61af66fc99e Initial load duke parents: diff changeset	1737 case JVM_CONSTANT_Integer: {
a61af66fc99e Initial load duke parents: diff changeset	1738 jint val = int_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1739 Bytes::put_Java_u4((address) (bytes+1), (u4)&val);
a61af66fc99e Initial load duke parents: diff changeset	1740 break;
a61af66fc99e Initial load duke parents: diff changeset	1741 }
a61af66fc99e Initial load duke parents: diff changeset	1742 case JVM_CONSTANT_Float: {
a61af66fc99e Initial load duke parents: diff changeset	1743 jfloat val = float_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1744 Bytes::put_Java_u4((address) (bytes+1), (u4)&val);
a61af66fc99e Initial load duke parents: diff changeset	1745 break;
a61af66fc99e Initial load duke parents: diff changeset	1746 }
a61af66fc99e Initial load duke parents: diff changeset	1747 case JVM_CONSTANT_Long: {
a61af66fc99e Initial load duke parents: diff changeset	1748 jlong val = long_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1749 Bytes::put_Java_u8((address) (bytes+1), (u8)&val);
a61af66fc99e Initial load duke parents: diff changeset	1750 idx++; // Long takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1751 break;
a61af66fc99e Initial load duke parents: diff changeset	1752 }
a61af66fc99e Initial load duke parents: diff changeset	1753 case JVM_CONSTANT_Double: {
a61af66fc99e Initial load duke parents: diff changeset	1754 jdouble val = double_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1755 Bytes::put_Java_u8((address) (bytes+1), (u8)&val);
a61af66fc99e Initial load duke parents: diff changeset	1756 idx++; // Double takes two cpool slots
a61af66fc99e Initial load duke parents: diff changeset	1757 break;
a61af66fc99e Initial load duke parents: diff changeset	1758 }
a61af66fc99e Initial load duke parents: diff changeset	1759 case JVM_CONSTANT_Class:
a61af66fc99e Initial load duke parents: diff changeset	1760 case JVM_CONSTANT_UnresolvedClass:
a61af66fc99e Initial load duke parents: diff changeset	1761 case JVM_CONSTANT_UnresolvedClassInError: {
a61af66fc99e Initial load duke parents: diff changeset	1762 *bytes = JVM_CONSTANT_Class;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1763 Symbol* sym = klass_name_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1764 idx1 = tbl->symbol_to_value(sym);
a61af66fc99e Initial load duke parents: diff changeset	1765 assert(idx1 != 0, "Have not found a hashtable entry");
a61af66fc99e Initial load duke parents: diff changeset	1766 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1767 DBG(printf("JVM_CONSTANT_Class: idx=#%03hd, %s", idx1, sym->as_utf8()));
a61af66fc99e Initial load duke parents: diff changeset	1768 break;
a61af66fc99e Initial load duke parents: diff changeset	1769 }
a61af66fc99e Initial load duke parents: diff changeset	1770 case JVM_CONSTANT_String: {
a61af66fc99e Initial load duke parents: diff changeset	1771 *bytes = JVM_CONSTANT_String;
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	1772 Symbol* sym = unresolved_string_at(idx);
0 a61af66fc99e Initial load duke parents: diff changeset	1773 idx1 = tbl->symbol_to_value(sym);
a61af66fc99e Initial load duke parents: diff changeset	1774 assert(idx1 != 0, "Have not found a hashtable entry");
a61af66fc99e Initial load duke parents: diff changeset	1775 Bytes::put_Java_u2((address) (bytes+1), idx1);
9060 cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1776 DBG(printf("JVM_CONSTANT_String: idx=#%03hd, %s", idx1, sym->as_utf8()));
0 a61af66fc99e Initial load duke parents: diff changeset	1777 break;
a61af66fc99e Initial load duke parents: diff changeset	1778 }
a61af66fc99e Initial load duke parents: diff changeset	1779 case JVM_CONSTANT_Fieldref:
a61af66fc99e Initial load duke parents: diff changeset	1780 case JVM_CONSTANT_Methodref:
a61af66fc99e Initial load duke parents: diff changeset	1781 case JVM_CONSTANT_InterfaceMethodref: {
a61af66fc99e Initial load duke parents: diff changeset	1782 idx1 = uncached_klass_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1783 idx2 = uncached_name_and_type_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1784 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1785 Bytes::put_Java_u2((address) (bytes+3), idx2);
a61af66fc99e Initial load duke parents: diff changeset	1786 DBG(printf("JVM_CONSTANT_Methodref: %hd %hd", idx1, idx2));
a61af66fc99e Initial load duke parents: diff changeset	1787 break;
a61af66fc99e Initial load duke parents: diff changeset	1788 }
a61af66fc99e Initial load duke parents: diff changeset	1789 case JVM_CONSTANT_NameAndType: {
a61af66fc99e Initial load duke parents: diff changeset	1790 idx1 = name_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1791 idx2 = signature_ref_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1792 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1793 Bytes::put_Java_u2((address) (bytes+3), idx2);
a61af66fc99e Initial load duke parents: diff changeset	1794 DBG(printf("JVM_CONSTANT_NameAndType: %hd %hd", idx1, idx2));
a61af66fc99e Initial load duke parents: diff changeset	1795 break;
a61af66fc99e Initial load duke parents: diff changeset	1796 }
a61af66fc99e Initial load duke parents: diff changeset	1797 case JVM_CONSTANT_ClassIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1798 *bytes = JVM_CONSTANT_Class;
a61af66fc99e Initial load duke parents: diff changeset	1799 idx1 = klass_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1800 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1801 DBG(printf("JVM_CONSTANT_ClassIndex: %hd", idx1));
a61af66fc99e Initial load duke parents: diff changeset	1802 break;
a61af66fc99e Initial load duke parents: diff changeset	1803 }
a61af66fc99e Initial load duke parents: diff changeset	1804 case JVM_CONSTANT_StringIndex: {
a61af66fc99e Initial load duke parents: diff changeset	1805 *bytes = JVM_CONSTANT_String;
a61af66fc99e Initial load duke parents: diff changeset	1806 idx1 = string_index_at(idx);
a61af66fc99e Initial load duke parents: diff changeset	1807 Bytes::put_Java_u2((address) (bytes+1), idx1);
a61af66fc99e Initial load duke parents: diff changeset	1808 DBG(printf("JVM_CONSTANT_StringIndex: %hd", idx1));
a61af66fc99e Initial load duke parents: diff changeset	1809 break;
a61af66fc99e Initial load duke parents: diff changeset	1810 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1811 case JVM_CONSTANT_MethodHandle:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1812 case JVM_CONSTANT_MethodHandleInError: {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1813 *bytes = JVM_CONSTANT_MethodHandle;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1814 int kind = method_handle_ref_kind_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1815 idx1 = method_handle_index_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1816 *(bytes+1) = (unsigned char) kind;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1817 Bytes::put_Java_u2((address) (bytes+2), idx1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1818 DBG(printf("JVM_CONSTANT_MethodHandle: %d %hd", kind, idx1));
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1819 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1820 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1821 case JVM_CONSTANT_MethodType:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1822 case JVM_CONSTANT_MethodTypeInError: {
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1823 *bytes = JVM_CONSTANT_MethodType;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1824 idx1 = method_type_index_at(idx);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1825 Bytes::put_Java_u2((address) (bytes+1), idx1);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1826 DBG(printf("JVM_CONSTANT_MethodType: %hd", idx1));
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1827 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	1828 }
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1829 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	1830 *bytes = tag;
dad31fc330cd 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute jrose parents: 1972 diff changeset	1831 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	1832 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	1833 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	1834 Bytes::put_Java_u2((address) (bytes+1), idx1);
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1835 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	1836 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	1837 break;
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1602 diff changeset	1838 }
0 a61af66fc99e Initial load duke parents: diff changeset	1839 }
a61af66fc99e Initial load duke parents: diff changeset	1840 DBG(printf("\n"));
a61af66fc99e Initial load duke parents: diff changeset	1841 bytes += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1842 size += ent_size;
a61af66fc99e Initial load duke parents: diff changeset	1843 }
a61af66fc99e Initial load duke parents: diff changeset	1844 assert(size == cpool_size, "Size mismatch");
a61af66fc99e Initial load duke parents: diff changeset	1845
a61af66fc99e Initial load duke parents: diff changeset	1846 // Keep temorarily for debugging until it's stable.
a61af66fc99e Initial load duke parents: diff changeset	1847 DBG(print_cpool_bytes(cnt, start_bytes));
a61af66fc99e Initial load duke parents: diff changeset	1848 return (int)(bytes - start_bytes);
a61af66fc99e Initial load duke parents: diff changeset	1849 } /* end copy_cpool_bytes */
a61af66fc99e Initial load duke parents: diff changeset	1850
9060 cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1851 #undef DBG
cc32ccaaf47f 8003310: Enable -Wunused-function when compiling with gcc mikael parents: 8782 diff changeset	1852
0 a61af66fc99e Initial load duke parents: diff changeset	1853
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1854 void ConstantPool::set_on_stack(const bool value) {
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1855 if (value) {
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1856 _flags \|= _on_stack;
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1857 } else {
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1858 _flags &= ~_on_stack;
5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1859 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1860 if (value) MetadataOnStackMark::record(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1861 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1862
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1863 // 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	1864 // the oop array for resolved references are created.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1865 // 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	1866 // 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	1867 // so only defer the pseudo_strings.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1868 void ConstantPool::patch_resolved_references(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1869 GrowableArray<Handle>* cp_patches) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1870 assert(EnableInvokeDynamic, "");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1871 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	1872 Handle patch = cp_patches->at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1873 if (patch.not_null()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1874 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	1875 // Patching a string means pre-resolving it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1876 // The spelling in the constant pool is ignored.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1877 // The constant reference may be any object whatever.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1878 // 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	1879 // 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	1880 // explicitly, because it may require scavenging.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1881 int obj_index = cp_to_object_index(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1882 pseudo_string_at_put(index, obj_index, patch());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1883 DEBUG_ONLY(cp_patches->at_put(index, Handle());)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1884 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1885 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1886 #ifdef ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1887 // Ensure that all the patches have been used.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1888 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	1889 assert(cp_patches->at(index).is_null(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1890 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	1891 index,
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6934 diff changeset	1892 pool_holder()->external_name()));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1893 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1894 #endif // ASSERT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1895 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1896
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1897 #ifndef PRODUCT
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 // 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	1900 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	1901 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	1902 constantPoolHandle cp(THREAD, (ConstantPool*)obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1903 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	1904
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1905 for (int i = 0; i< cp->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1906 if (cp->tag_at(i).is_unresolved_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1907 // This will force loading of the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1908 Klass* klass = cp->klass_at(i, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1909 if (klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1910 // Force initialization of class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1911 InstanceKlass::cast(klass)->initialize(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1912 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1913 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1914 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1915 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1916
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1917 #endif
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1920 // Printing
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 void ConstantPool::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1923 EXCEPTION_MARK;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1924 assert(is_constantPool(), "must be constantPool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1925 st->print_cr(internal_name());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1926 if (flags() != 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1927 st->print(" - flags: 0x%x", flags());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1928 if (has_preresolution()) st->print(" has_preresolution");
7949 5daaddd917a1 8006040: NPG: on_stack processing wastes space in ConstantPool coleenp parents: 7624 diff changeset	1929 if (on_stack()) st->print(" on_stack");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1930 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1931 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1932 if (pool_holder() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1933 st->print_cr(" - holder: " INTPTR_FORMAT, pool_holder());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1934 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1935 st->print_cr(" - cache: " INTPTR_FORMAT, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1936 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	1937 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	1938
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1939 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	1940 ((ConstantPool*)this)->print_entry_on(index, st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1941 switch (tag_at(index).value()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1942 case JVM_CONSTANT_Long :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1943 case JVM_CONSTANT_Double :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1944 index++; // Skip entry following eigth-byte constant
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1945 }
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 st->cr();
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1951 // Print one constant pool entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1952 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	1953 EXCEPTION_MARK;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1954 st->print(" - %3d : ", index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1955 tag_at(index).print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1956 st->print(" : ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1957 switch (tag_at(index).value()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1958 case JVM_CONSTANT_Class :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1959 { Klass* k = klass_at(index, CATCH);
8782 c3c64a973559 8009593: [parfait] Null pointer deference in hotspot/src/share/vm/oops/constantPool.cpp morris parents: 8104 diff changeset	1960 guarantee(k != NULL, "need klass");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1961 k->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1962 st->print(" {0x%lx}", (address)k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1963 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1964 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1965 case JVM_CONSTANT_Fieldref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1966 case JVM_CONSTANT_Methodref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1967 case JVM_CONSTANT_InterfaceMethodref :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1968 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	1969 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	1970 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1971 case JVM_CONSTANT_String :
8104 f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1972 if (is_pseudo_string_at(index)) {
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1973 oop anObj = pseudo_string_at(index);
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1974 anObj->print_value_on(st);
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1975 st->print(" {0x%lx}", (address)anObj);
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1976 } else {
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1977 unresolved_string_at(index)->print_value_on(st);
f16e75e0cf11 8000797: NPG: is_pseudo_string_at() doesn't work coleenp parents: 7964 diff changeset	1978 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1979 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1980 case JVM_CONSTANT_Integer :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1981 st->print("%d", int_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1982 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1983 case JVM_CONSTANT_Float :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1984 st->print("%f", float_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1985 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1986 case JVM_CONSTANT_Long :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1987 st->print_jlong(long_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1988 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1989 case JVM_CONSTANT_Double :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1990 st->print("%lf", double_at(index));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1991 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1992 case JVM_CONSTANT_NameAndType :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1993 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	1994 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	1995 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1996 case JVM_CONSTANT_Utf8 :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1997 symbol_at(index)->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1998 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1999 case JVM_CONSTANT_UnresolvedClass : // fall-through
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2000 case JVM_CONSTANT_UnresolvedClassInError: {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2001 // unresolved_klass_at requires lock or safe world.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2002 CPSlot entry = slot_at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2003 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2004 entry.get_klass()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2005 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2006 entry.get_symbol()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2007 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2008 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2009 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2010 case JVM_CONSTANT_MethodHandle :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2011 case JVM_CONSTANT_MethodHandleInError :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2012 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	2013 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	2014 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2015 case JVM_CONSTANT_MethodType :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2016 case JVM_CONSTANT_MethodTypeInError :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2017 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	2018 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2019 case JVM_CONSTANT_InvokeDynamic :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2020 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2021 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	2022 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	2023 int argc = invoke_dynamic_argument_count_at(index);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2024 if (argc > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2025 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	2026 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	2027 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	2028 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2029 st->print("}");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2030 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2031 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2032 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2033 default:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2034 ShouldNotReachHere();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2035 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2036 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2037 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2038 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2039
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2040 void ConstantPool::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2041 assert(is_constantPool(), "must be constantPool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2042 st->print("constant pool [%d]", length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2043 if (has_preresolution()) st->print("/preresolution");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2044 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	2045 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2046 st->print(" for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2047 pool_holder()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2048 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	2049 bool extra = (pool_holder()->constants() != this);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2050 if (extra) st->print(" (extra)");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2051 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2052 if (cache() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2053 st->print(" cache=" PTR_FORMAT, cache());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2054 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2055 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2056
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2057 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2058 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2059 void ConstantPool::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2060 sz->_cp_all_bytes += (sz->_cp_bytes = sz->count(this));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2061 sz->_cp_all_bytes += (sz->_cp_tags_bytes = sz->count_array(tags()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2062 sz->_cp_all_bytes += (sz->_cp_cache_bytes = sz->count(cache()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2063 sz->_cp_all_bytes += (sz->_cp_operands_bytes = sz->count_array(operands()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2064 sz->_cp_all_bytes += (sz->_cp_refmap_bytes = sz->count_array(reference_map()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2065
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2066 sz->_ro_bytes += sz->_cp_operands_bytes + sz->_cp_tags_bytes +
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2067 sz->_cp_refmap_bytes;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2068 sz->_rw_bytes += sz->_cp_bytes + sz->_cp_cache_bytes;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2069 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7949 diff changeset	2070 #endif // INCLUDE_SERVICES
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2071
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2072 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2073
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2074 void ConstantPool::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2075 guarantee(is_constantPool(), "object must be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2076 for (int i = 0; i< length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2077 constantTag tag = tag_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2078 CPSlot entry = slot_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2079 if (tag.is_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2080 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2081 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	2082 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	2083 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2084 } else if (tag.is_unresolved_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2085 if (entry.is_resolved()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2086 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	2087 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	2088 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2089 } else if (tag.is_symbol()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2090 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	2091 } else if (tag.is_string()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2092 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	2093 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2094 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2095 if (cache() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2096 // 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	2097 // 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	2098 guarantee(cache()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2099 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	2100 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2101 if (pool_holder() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2102 // 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	2103 // used during constant pool merging
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2104 guarantee(pool_holder()->is_metadata(), "should be metadata");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2105 guarantee(pool_holder()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2106 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2107 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2108
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2109
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	2110 void SymbolHashMap::add_entry(Symbol* sym, u2 value) {
0 a61af66fc99e Initial load duke parents: diff changeset	2111 char *str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	2112 unsigned int hash = compute_hash(str, sym->utf8_length());
a61af66fc99e Initial load duke parents: diff changeset	2113 unsigned int index = hash % table_size();
a61af66fc99e Initial load duke parents: diff changeset	2114
a61af66fc99e Initial load duke parents: diff changeset	2115 // check if already in map
a61af66fc99e Initial load duke parents: diff changeset	2116 // we prefer the first entry since it is more likely to be what was used in
a61af66fc99e Initial load duke parents: diff changeset	2117 // the class file
a61af66fc99e Initial load duke parents: diff changeset	2118 for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
a61af66fc99e Initial load duke parents: diff changeset	2119 assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2120 if (en->hash() == hash && en->symbol() == sym) {
a61af66fc99e Initial load duke parents: diff changeset	2121 return; // already there
a61af66fc99e Initial load duke parents: diff changeset	2122 }
a61af66fc99e Initial load duke parents: diff changeset	2123 }
a61af66fc99e Initial load duke parents: diff changeset	2124
a61af66fc99e Initial load duke parents: diff changeset	2125 SymbolHashMapEntry* entry = new SymbolHashMapEntry(hash, sym, value);
a61af66fc99e Initial load duke parents: diff changeset	2126 entry->set_next(bucket(index));
a61af66fc99e Initial load duke parents: diff changeset	2127 _buckets[index].set_entry(entry);
a61af66fc99e Initial load duke parents: diff changeset	2128 assert(entry->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2129 }
a61af66fc99e Initial load duke parents: diff changeset	2130
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2011 diff changeset	2131 SymbolHashMapEntry* SymbolHashMap::find_entry(Symbol* sym) {
0 a61af66fc99e Initial load duke parents: diff changeset	2132 assert(sym != NULL, "SymbolHashMap::find_entry - symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2133 char *str = sym->as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	2134 int len = sym->utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	2135 unsigned int hash = SymbolHashMap::compute_hash(str, len);
a61af66fc99e Initial load duke parents: diff changeset	2136 unsigned int index = hash % table_size();
a61af66fc99e Initial load duke parents: diff changeset	2137 for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
a61af66fc99e Initial load duke parents: diff changeset	2138 assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
a61af66fc99e Initial load duke parents: diff changeset	2139 if (en->hash() == hash && en->symbol() == sym) {
a61af66fc99e Initial load duke parents: diff changeset	2140 return en;
a61af66fc99e Initial load duke parents: diff changeset	2141 }
a61af66fc99e Initial load duke parents: diff changeset	2142 }
a61af66fc99e Initial load duke parents: diff changeset	2143 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2144 }

Mercurial > hg > truffle

annotate src/share/vm/oops/constantPool.cpp @ 10151:15a99ca4ee34