truffle: src/share/vm/memory/metaspaceShared.cpp annotate

annotate src/share/vm/memory/metaspaceShared.cpp @ 20705:d3f3f7677537

6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94 Summary: OOM during reallocation of scalar replaced objects in deoptimization causes crashes Reviewed-by: kvn, jrose

author	roland
date	Tue, 25 Nov 2014 17:33:59 +0100
parents	0558eb13dcf3
children	7848fc12602b

rev	line source
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1 /*
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	4 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	7 * published by the Free Software Foundation.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	8 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	13 * accompanied this code).
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	14 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	18 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	21 * questions.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	22 *
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	23 */
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	24
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	25 #include "precompiled.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	26 #include "classfile/dictionary.hpp"
20608 4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	27 #include "classfile/classLoaderExt.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	28 #include "classfile/loaderConstraints.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	29 #include "classfile/placeholders.hpp"
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	30 #include "classfile/sharedClassUtil.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	31 #include "classfile/symbolTable.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	32 #include "classfile/systemDictionary.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	33 #include "code/codeCache.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	34 #include "memory/filemap.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	35 #include "memory/gcLocker.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	36 #include "memory/metaspace.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	37 #include "memory/metaspaceShared.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	38 #include "oops/objArrayOop.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	39 #include "oops/oop.inline.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	40 #include "runtime/signature.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	41 #include "runtime/vm_operations.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	42 #include "runtime/vmThread.hpp"
20608 4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	43 #include "utilities/hashtable.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	44 #include "utilities/hashtable.inline.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	45
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	46 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	47
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	48 int MetaspaceShared::_max_alignment = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	49
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	50 ReservedSpace* MetaspaceShared::_shared_rs = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	51
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	52 bool MetaspaceShared::_link_classes_made_progress;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	53 bool MetaspaceShared::_check_classes_made_progress;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	54 bool MetaspaceShared::_has_error_classes;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	55 bool MetaspaceShared::_archive_loading_failed = false;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	56 // Read/write a data stream for restoring/preserving metadata pointers and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	57 // miscellaneous data from/to the shared archive file.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	58
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	59 void MetaspaceShared::serialize(SerializeClosure* soc) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	60 int tag = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	61 soc->do_tag(--tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	62
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	63 // Verify the sizes of various metadata in the system.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	64 soc->do_tag(sizeof(Method));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	65 soc->do_tag(sizeof(ConstMethod));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	66 soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	67 soc->do_tag(sizeof(ConstantPool));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	68 soc->do_tag(sizeof(ConstantPoolCache));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	69 soc->do_tag(objArrayOopDesc::base_offset_in_bytes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	70 soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	71 soc->do_tag(sizeof(Symbol));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	72
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	73 // Dump/restore miscellaneous metadata.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	74 Universe::serialize(soc, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	75 soc->do_tag(--tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	76
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	77 // Dump/restore references to commonly used names and signatures.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	78 vmSymbols::serialize(soc);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	79 soc->do_tag(--tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	80
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	81 soc->do_tag(666);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	82 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	83
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	84
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	85 // CDS code for dumping shared archive.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	86
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	87 // Global object for holding classes that have been loaded. Since this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	88 // is run at a safepoint just before exit, this is the entire set of classes.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	89 static GrowableArray<Klass> _global_klass_objects;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	90 static void collect_classes(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	91 _global_klass_objects->append_if_missing(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	92 if (k->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	93 // Add in the array classes too
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	94 InstanceKlass* ik = InstanceKlass::cast(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	95 ik->array_klasses_do(collect_classes);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	96 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	97 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	98
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	99 static void remove_unshareable_in_classes() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	100 for (int i = 0; i < _global_klass_objects->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	101 Klass* k = _global_klass_objects->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	102 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	103 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	104 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	105
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	106 // Walk all methods in the class list and assign a fingerprint.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	107 // so that this part of the ConstMethod* is read only.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	108 static void calculate_fingerprints() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	109 for (int i = 0; i < _global_klass_objects->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	110 Klass* k = _global_klass_objects->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	111 if (k->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	112 InstanceKlass* ik = InstanceKlass::cast(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	113 for (int i = 0; i < ik->methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	114 Method* m = ik->methods()->at(i);
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12056 diff changeset	115 Fingerprinter fp(m);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12056 diff changeset	116 // The side effect of this call sets method's fingerprint field.
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12056 diff changeset	117 fp.fingerprint();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	118 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	119 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	120 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	121 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	122
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	123 // Patch C++ vtable pointer in metadata.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	124
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	125 // Klass and other metadata objects contain references to c++ vtables in the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	126 // JVM library.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	127 // Fix them to point to our constructed vtables. However, don't iterate
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	128 // across the space while doing this, as that causes the vtables to be
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	129 // patched, undoing our useful work. Instead, iterate to make a list,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	130 // then use the list to do the fixing.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	131 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	132 // Our constructed vtables:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	133 // Dump time:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	134 // 1. init_self_patching_vtbl_list: table of pointers to current virtual method addrs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	135 // 2. generate_vtable_methods: create jump table, appended to above vtbl_list
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	136 // 3. patch_klass_vtables: for Klass list, patch the vtable entry in klass and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	137 // associated metadata to point to jump table rather than to current vtbl
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	138 // Table layout: NOTE FIXED SIZE
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	139 // 1. vtbl pointers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	140 // 2. #Klass X #virtual methods per Klass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	141 // 1 entry for each, in the order:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	142 // Klass1:method1 entry, Klass1:method2 entry, ... Klass1:method<num_virtuals> entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	143 // Klass2:method1 entry, Klass2:method2 entry, ... Klass2:method<num_virtuals> entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	144 // ...
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	145 // Klass<vtbl_list_size>:method1 entry, Klass<vtbl_list_size>:method2 entry,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	146 // ... Klass<vtbl_list_size>:method<num_virtuals> entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	147 // Sample entry: (Sparc):
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	148 // save(sp, -256, sp)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	149 // ba,pt common_code
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	150 // mov XXX, %L0 %L0 gets: Klass index <<8 + method index (note: max method index 255)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	151 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	152 // Restore time:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	153 // 1. initialize_shared_space: reserve space for table
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	154 // 2. init_self_patching_vtbl_list: update pointers to NEW virtual method addrs in text
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	155 //
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	156 // Execution time:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	157 // First virtual method call for any object of these metadata types:
6733 fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	158 // 1. object->klass
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	159 // 2. vtable entry for that klass points to the jump table entries
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	160 // 3. branches to common_code with %O0/klass, %L0: Klass index <<8 + method index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	161 // 4. common_code:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	162 // Get address of new vtbl pointer for this Klass from updated table
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	163 // Update new vtbl pointer in the Klass: future virtual calls go direct
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	164 // Jump to method, using new vtbl pointer and method index
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	165
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	166
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	167 static void* find_matching_vtbl_ptr(void** vtbl_list, void* new_vtable_start, void* obj) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	168 void* old_vtbl_ptr = (void*)obj;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	169 for (int i = 0; i < MetaspaceShared::vtbl_list_size; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	170 if (vtbl_list[i] == old_vtbl_ptr) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	171 return (void*)new_vtable_start + i MetaspaceShared::num_virtuals;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	172 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	173 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	174 ShouldNotReachHere();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	175 return NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	176 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	177
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	178 // Assumes the vtable is in first slot in object.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	179 static void patch_klass_vtables(void** vtbl_list, void* new_vtable_start) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	180 int n = _global_klass_objects->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	181 for (int i = 0; i < n; i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	182 Klass* obj = _global_klass_objects->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	183 // Note oop_is_instance() is a virtual call. After patching vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	184 // all virtual calls on the dummy vtables will restore the original!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	185 if (obj->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	186 InstanceKlass* ik = InstanceKlass::cast(obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	187 (void*)ik = find_matching_vtbl_ptr(vtbl_list, new_vtable_start, ik);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	188 ConstantPool* cp = ik->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	189 (void*)cp = find_matching_vtbl_ptr(vtbl_list, new_vtable_start, cp);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	190 for (int j = 0; j < ik->methods()->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	191 Method* m = ik->methods()->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	192 (void*)m = find_matching_vtbl_ptr(vtbl_list, new_vtable_start, m);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	193 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	194 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	195 // Array klasses
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	196 Klass* k = obj;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	197 (void*)k = find_matching_vtbl_ptr(vtbl_list, new_vtable_start, k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	198 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	199 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	200 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	201
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	202 // Closure for serializing initialization data out to a data area to be
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	203 // written to the shared file.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	204
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	205 class WriteClosure : public SerializeClosure {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	206 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	207 intptr_t* top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	208 char* end;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	209
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	210 inline void check_space() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	211 if ((char*)top + sizeof(intptr_t) > end) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	212 report_out_of_shared_space(SharedMiscData);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	213 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	214 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	215
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	216 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	217 WriteClosure(char* md_top, char* md_end) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	218 top = (intptr_t*)md_top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	219 end = md_end;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	220 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	221
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	222 char* get_top() { return (char*)top; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	223
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	224 void do_ptr(void** p) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	225 check_space();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	226 top = (intptr_t)p;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	227 ++top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	228 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	229
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	230 void do_tag(int tag) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	231 check_space();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	232 *top = (intptr_t)tag;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	233 ++top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	234 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	235
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	236 void do_region(u_char* start, size_t size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	237 if ((char*)top + size > end) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	238 report_out_of_shared_space(SharedMiscData);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	239 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	240 assert((intptr_t)start % sizeof(intptr_t) == 0, "bad alignment");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	241 assert(size % sizeof(intptr_t) == 0, "bad size");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	242 do_tag((int)size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	243 while (size > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	244 top = (intptr_t*)start;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	245 ++top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	246 start += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	247 size -= sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	248 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	249 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	250
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	251 bool reading() const { return false; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	252 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	253
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	254 // This is for dumping detailed statistics for the allocations
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	255 // in the shared spaces.
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	256 class DumpAllocClosure : public Metaspace::AllocRecordClosure {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	257 public:
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	258
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	259 // Here's poor man's enum inheritance
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	260 #define SHAREDSPACE_OBJ_TYPES_DO(f) \
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	261 METASPACE_OBJ_TYPES_DO(f) \
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	262 f(SymbolHashentry) \
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	263 f(SymbolBuckets) \
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	264 f(Other)
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	265
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	266 #define SHAREDSPACE_OBJ_TYPE_DECLARE(name) name ## Type,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	267 #define SHAREDSPACE_OBJ_TYPE_NAME_CASE(name) case name ## Type: return #name;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	268
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	269 enum Type {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	270 // Types are MetaspaceObj::ClassType, MetaspaceObj::SymbolType, etc
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	271 SHAREDSPACE_OBJ_TYPES_DO(SHAREDSPACE_OBJ_TYPE_DECLARE)
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	272 _number_of_types
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	273 };
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	274
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	275 static const char * type_name(Type type) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	276 switch(type) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	277 SHAREDSPACE_OBJ_TYPES_DO(SHAREDSPACE_OBJ_TYPE_NAME_CASE)
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	278 default:
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	279 ShouldNotReachHere();
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	280 return NULL;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	281 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	282 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	283
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	284 public:
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	285 enum {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	286 RO = 0,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	287 RW = 1
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	288 };
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	289
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	290 int _counts[2][_number_of_types];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	291 int _bytes [2][_number_of_types];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	292 int _which;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	293
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	294 DumpAllocClosure() {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	295 memset(_counts, 0, sizeof(_counts));
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	296 memset(_bytes, 0, sizeof(_bytes));
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	297 };
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	298
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	299 void iterate_metaspace(Metaspace* space, int which) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	300 assert(which == RO \|\| which == RW, "sanity");
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	301 _which = which;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	302 space->iterate(this);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	303 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	304
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	305 virtual void doit(address ptr, MetaspaceObj::Type type, int byte_size) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	306 assert(int(type) >= 0 && type < MetaspaceObj::_number_of_types, "sanity");
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	307 _counts[_which][type] ++;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	308 _bytes [_which][type] += byte_size;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	309 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	310
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	311 void dump_stats(int ro_all, int rw_all, int md_all, int mc_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	312 };
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	313
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	314 void DumpAllocClosure::dump_stats(int ro_all, int rw_all, int md_all, int mc_all) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	315 rw_all += (md_all + mc_all); // md and mc are all mapped Read/Write
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	316 int other_bytes = md_all + mc_all;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	317
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	318 // Calculate size of data that was not allocated by Metaspace::allocate()
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	319 int symbol_count = _counts[RO][MetaspaceObj::SymbolType];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	320 int symhash_bytes = symbol_count * sizeof (HashtableEntry<Symbol*, mtSymbol>);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	321 int symbuck_count = SymbolTable::the_table()->table_size();
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	322 int symbuck_bytes = symbuck_count * sizeof(HashtableBucket<mtSymbol>);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	323
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	324 _counts[RW][SymbolHashentryType] = symbol_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	325 _bytes [RW][SymbolHashentryType] = symhash_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	326 other_bytes -= symhash_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	327
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	328 _counts[RW][SymbolBucketsType] = symbuck_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	329 _bytes [RW][SymbolBucketsType] = symbuck_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	330 other_bytes -= symbuck_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	331
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	332 // TODO: count things like dictionary, vtable, etc
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	333 _bytes[RW][OtherType] = other_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	334
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	335 // prevent divide-by-zero
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	336 if (ro_all < 1) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	337 ro_all = 1;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	338 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	339 if (rw_all < 1) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	340 rw_all = 1;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	341 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	342
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	343 int all_ro_count = 0;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	344 int all_ro_bytes = 0;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	345 int all_rw_count = 0;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	346 int all_rw_bytes = 0;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	347
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	348 // To make fmt_stats be a syntactic constant (for format warnings), use #define.
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	349 #define fmt_stats "%-20s: %8d %10d %5.1f \| %8d %10d %5.1f \| %8d %10d %5.1f"
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	350 const char *sep = "--------------------+---------------------------+---------------------------+--------------------------";
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	351 const char *hdr = " ro_cnt ro_bytes % \| rw_cnt rw_bytes % \| all_cnt all_bytes %";
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	352
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	353 tty->print_cr("Detailed metadata info (rw includes md and mc):");
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	354 tty->print_cr("%s", hdr);
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	355 tty->print_cr("%s", sep);
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	356 for (int type = 0; type < int(_number_of_types); type ++) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	357 const char *name = type_name((Type)type);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	358 int ro_count = _counts[RO][type];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	359 int ro_bytes = _bytes [RO][type];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	360 int rw_count = _counts[RW][type];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	361 int rw_bytes = _bytes [RW][type];
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	362 int count = ro_count + rw_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	363 int bytes = ro_bytes + rw_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	364
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	365 double ro_perc = 100.0 * double(ro_bytes) / double(ro_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	366 double rw_perc = 100.0 * double(rw_bytes) / double(rw_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	367 double perc = 100.0 * double(bytes) / double(ro_all + rw_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	368
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	369 tty->print_cr(fmt_stats, name,
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	370 ro_count, ro_bytes, ro_perc,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	371 rw_count, rw_bytes, rw_perc,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	372 count, bytes, perc);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	373
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	374 all_ro_count += ro_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	375 all_ro_bytes += ro_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	376 all_rw_count += rw_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	377 all_rw_bytes += rw_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	378 }
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	379
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	380 int all_count = all_ro_count + all_rw_count;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	381 int all_bytes = all_ro_bytes + all_rw_bytes;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	382
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	383 double all_ro_perc = 100.0 * double(all_ro_bytes) / double(ro_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	384 double all_rw_perc = 100.0 * double(all_rw_bytes) / double(rw_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	385 double all_perc = 100.0 * double(all_bytes) / double(ro_all + rw_all);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	386
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	387 tty->print_cr("%s", sep);
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	388 tty->print_cr(fmt_stats, "Total",
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	389 all_ro_count, all_ro_bytes, all_ro_perc,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	390 all_rw_count, all_rw_bytes, all_rw_perc,
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	391 all_count, all_bytes, all_perc);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	392
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	393 assert(all_ro_bytes == ro_all, "everything should have been counted");
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	394 assert(all_rw_bytes == rw_all, "everything should have been counted");
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	395 #undef fmt_stats
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	396 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	397
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	398 // Populate the shared space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	399
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	400 class VM_PopulateDumpSharedSpace: public VM_Operation {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	401 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	402 ClassLoaderData* _loader_data;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	403 GrowableArray<Klass> _class_promote_order;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	404 VirtualSpace _md_vs;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	405 VirtualSpace _mc_vs;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	406
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	407 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	408 VM_PopulateDumpSharedSpace(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	409 GrowableArray<Klass> class_promote_order) :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	410 _loader_data(loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	411
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	412 // Split up and initialize the misc code and data spaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	413 ReservedSpace* shared_rs = MetaspaceShared::shared_rs();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	414 int metadata_size = SharedReadOnlySize+SharedReadWriteSize;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	415 ReservedSpace shared_ro_rw = shared_rs->first_part(metadata_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	416 ReservedSpace misc_section = shared_rs->last_part(metadata_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	417
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	418 // Now split into misc sections.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	419 ReservedSpace md_rs = misc_section.first_part(SharedMiscDataSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	420 ReservedSpace mc_rs = misc_section.last_part(SharedMiscDataSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	421 _md_vs.initialize(md_rs, SharedMiscDataSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	422 _mc_vs.initialize(mc_rs, SharedMiscCodeSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	423 _class_promote_order = class_promote_order;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	424 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	425
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	426 VMOp_Type type() const { return VMOp_PopulateDumpSharedSpace; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	427 void doit(); // outline because gdb sucks
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	428 }; // class VM_PopulateDumpSharedSpace
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	429
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	430
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	431 void VM_PopulateDumpSharedSpace::doit() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	432 Thread* THREAD = VMThread::vm_thread();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	433 NOT_PRODUCT(SystemDictionary::verify();)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	434 // The following guarantee is meant to ensure that no loader constraints
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	435 // exist yet, since the constraints table is not shared. This becomes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	436 // more important now that we don't re-initialize vtables/itables for
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	437 // shared classes at runtime, where constraints were previously created.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	438 guarantee(SystemDictionary::constraints()->number_of_entries() == 0,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	439 "loader constraints are not saved");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	440 guarantee(SystemDictionary::placeholders()->number_of_entries() == 0,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	441 "placeholders are not saved");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	442 // Revisit and implement this if we prelink method handle call sites:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	443 guarantee(SystemDictionary::invoke_method_table() == NULL \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	444 SystemDictionary::invoke_method_table()->number_of_entries() == 0,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	445 "invoke method table is not saved");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	446
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	447 // At this point, many classes have been loaded.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	448 // Gather systemDictionary classes in a global array and do everything to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	449 // that so we don't have to walk the SystemDictionary again.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	450 _global_klass_objects = new GrowableArray<Klass*>(1000);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	451 Universe::basic_type_classes_do(collect_classes);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	452 SystemDictionary::classes_do(collect_classes);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	453
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	454 tty->print_cr("Number of classes %d", _global_klass_objects->length());
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	455 {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	456 int num_type_array = 0, num_obj_array = 0, num_inst = 0;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	457 for (int i = 0; i < _global_klass_objects->length(); i++) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	458 Klass* k = _global_klass_objects->at(i);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	459 if (k->oop_is_instance()) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	460 num_inst ++;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	461 } else if (k->oop_is_objArray()) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	462 num_obj_array ++;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	463 } else {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	464 assert(k->oop_is_typeArray(), "sanity");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	465 num_type_array ++;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	466 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	467 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	468 tty->print_cr(" instance classes = %5d", num_inst);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	469 tty->print_cr(" obj array classes = %5d", num_obj_array);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	470 tty->print_cr(" type array classes = %5d", num_type_array);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	471 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	472
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	473 // Update all the fingerprints in the shared methods.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	474 tty->print("Calculating fingerprints ... ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	475 calculate_fingerprints();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	476 tty->print_cr("done. ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	477
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	478 // Remove all references outside the metadata
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	479 tty->print("Removing unshareable information ... ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	480 remove_unshareable_in_classes();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	481 tty->print_cr("done. ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	482
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	483 // Set up the share data and shared code segments.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	484 char* md_low = _md_vs.low();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	485 char* md_top = md_low;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	486 char* md_end = _md_vs.high();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	487 char* mc_low = _mc_vs.low();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	488 char* mc_top = mc_low;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	489 char* mc_end = _mc_vs.high();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	490
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	491 // Reserve space for the list of Klass*s whose vtables are used
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	492 // for patching others as needed.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	493
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	494 void vtbl_list = (void)md_top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	495 int vtbl_list_size = MetaspaceShared::vtbl_list_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	496 Universe::init_self_patching_vtbl_list(vtbl_list, vtbl_list_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	497
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	498 md_top += vtbl_list_size * sizeof(void*);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	499 void* vtable = md_top;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	500
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	501 // Reserve space for a new dummy vtable for klass objects in the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	502 // heap. Generate self-patching vtable entries.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	503
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	504 MetaspaceShared::generate_vtable_methods(vtbl_list, &vtable,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	505 &md_top, md_end,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	506 &mc_top, mc_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	507
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	508 // Reorder the system dictionary. (Moving the symbols affects
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	509 // how the hash table indices are calculated.)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	510 // Not doing this either.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	511
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	512 SystemDictionary::reorder_dictionary();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	513
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	514 NOT_PRODUCT(SystemDictionary::verify();)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	515
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	516 // Copy the the symbol table, and the system dictionary to the shared
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	517 // space in usable form. Copy the hastable
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	518 // buckets first [read-write], then copy the linked lists of entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	519 // [read-only].
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	520
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	521 SymbolTable::reverse(md_top);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	522 NOT_PRODUCT(SymbolTable::verify());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	523 SymbolTable::copy_buckets(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	524
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	525 SystemDictionary::reverse();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	526 SystemDictionary::copy_buckets(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	527
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	528 ClassLoader::verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	529 ClassLoader::copy_package_info_buckets(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	530 ClassLoader::verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	531
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	532 SymbolTable::copy_table(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	533 SystemDictionary::copy_table(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	534 ClassLoader::verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	535 ClassLoader::copy_package_info_table(&md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	536 ClassLoader::verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	537
20608 4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	538 ClassLoaderExt::copy_lookup_cache_to_archive(&md_top, md_end);
4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	539
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	540 // Write the other data to the output array.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	541 WriteClosure wc(md_top, md_end);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	542 MetaspaceShared::serialize(&wc);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	543 md_top = wc.get_top();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	544
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	545 // Print shared spaces all the time
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	546 // To make fmt_space be a syntactic constant (for format warnings), use #define.
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	547 #define fmt_space "%s space: %9d [ %4.1f%% of total] out of %9d bytes [%4.1f%% used] at " PTR_FORMAT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	548 Metaspace* ro_space = _loader_data->ro_metaspace();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	549 Metaspace* rw_space = _loader_data->rw_metaspace();
7591 c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	550
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	551 // Allocated size of each space (may not be all occupied)
10183 868d87ed63c8 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions jmasa parents: 7591 diff changeset	552 const size_t ro_alloced = ro_space->capacity_bytes_slow(Metaspace::NonClassType);
868d87ed63c8 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions jmasa parents: 7591 diff changeset	553 const size_t rw_alloced = rw_space->capacity_bytes_slow(Metaspace::NonClassType);
7591 c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	554 const size_t md_alloced = md_end-md_low;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	555 const size_t mc_alloced = mc_end-mc_low;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	556 const size_t total_alloced = ro_alloced + rw_alloced + md_alloced + mc_alloced;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	557
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	558 // Occupied size of each space.
10183 868d87ed63c8 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions jmasa parents: 7591 diff changeset	559 const size_t ro_bytes = ro_space->used_bytes_slow(Metaspace::NonClassType);
868d87ed63c8 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions jmasa parents: 7591 diff changeset	560 const size_t rw_bytes = rw_space->used_bytes_slow(Metaspace::NonClassType);
7591 c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	561 const size_t md_bytes = size_t(md_top - md_low);
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	562 const size_t mc_bytes = size_t(mc_top - mc_low);
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	563
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	564 // Percent of total size
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	565 const size_t total_bytes = ro_bytes + rw_bytes + md_bytes + mc_bytes;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	566 const double ro_t_perc = ro_bytes / double(total_bytes) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	567 const double rw_t_perc = rw_bytes / double(total_bytes) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	568 const double md_t_perc = md_bytes / double(total_bytes) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	569 const double mc_t_perc = mc_bytes / double(total_bytes) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	570
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	571 // Percent of fullness of each space
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	572 const double ro_u_perc = ro_bytes / double(ro_alloced) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	573 const double rw_u_perc = rw_bytes / double(rw_alloced) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	574 const double md_u_perc = md_bytes / double(md_alloced) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	575 const double mc_u_perc = mc_bytes / double(mc_alloced) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	576 const double total_u_perc = total_bytes / double(total_alloced) * 100.0;
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	577
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	578 tty->print_cr(fmt_space, "ro", ro_bytes, ro_t_perc, ro_alloced, ro_u_perc, ro_space->bottom());
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	579 tty->print_cr(fmt_space, "rw", rw_bytes, rw_t_perc, rw_alloced, rw_u_perc, rw_space->bottom());
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	580 tty->print_cr(fmt_space, "md", md_bytes, md_t_perc, md_alloced, md_u_perc, md_low);
78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	581 tty->print_cr(fmt_space, "mc", mc_bytes, mc_t_perc, mc_alloced, mc_u_perc, mc_low);
7591 c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	582 tty->print_cr("total : %9d [100.0%% of total] out of %9d bytes [%4.1f%% used]",
c793367610c1 8005467: CDS size information is incorrect and unfriendly coleenp parents: 7460 diff changeset	583 total_bytes, total_alloced, total_u_perc);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	584
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	585 // Update the vtable pointers in all of the Klass objects in the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	586 // heap. They should point to newly generated vtable.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	587 patch_klass_vtables(vtbl_list, vtable);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	588
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	589 // dunno what this is for.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	590 char* saved_vtbl = (char)os::malloc(vtbl_list_size sizeof(void*), mtClass);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	591 memmove(saved_vtbl, vtbl_list, vtbl_list_size * sizeof(void*));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	592 memset(vtbl_list, 0, vtbl_list_size * sizeof(void*));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	593
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	594 // Create and write the archive file that maps the shared spaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	595
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	596 FileMapInfo* mapinfo = new FileMapInfo();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	597 mapinfo->populate_header(MetaspaceShared::max_alignment());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	598
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	599 // Pass 1 - update file offsets in header.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	600 mapinfo->write_header();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	601 mapinfo->write_space(MetaspaceShared::ro, _loader_data->ro_metaspace(), true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	602 mapinfo->write_space(MetaspaceShared::rw, _loader_data->rw_metaspace(), false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	603 mapinfo->write_region(MetaspaceShared::md, _md_vs.low(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	604 pointer_delta(md_top, _md_vs.low(), sizeof(char)),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	605 SharedMiscDataSize,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	606 false, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	607 mapinfo->write_region(MetaspaceShared::mc, _mc_vs.low(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	608 pointer_delta(mc_top, _mc_vs.low(), sizeof(char)),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	609 SharedMiscCodeSize,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	610 true, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	611
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	612 // Pass 2 - write data.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	613 mapinfo->open_for_write();
18096 ca6d25be853b 8044269: Analysis of archive files. jiangli parents: 17937 diff changeset	614 mapinfo->set_header_crc(mapinfo->compute_header_crc());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	615 mapinfo->write_header();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	616 mapinfo->write_space(MetaspaceShared::ro, _loader_data->ro_metaspace(), true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	617 mapinfo->write_space(MetaspaceShared::rw, _loader_data->rw_metaspace(), false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	618 mapinfo->write_region(MetaspaceShared::md, _md_vs.low(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	619 pointer_delta(md_top, _md_vs.low(), sizeof(char)),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	620 SharedMiscDataSize,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	621 false, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	622 mapinfo->write_region(MetaspaceShared::mc, _mc_vs.low(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	623 pointer_delta(mc_top, _mc_vs.low(), sizeof(char)),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	624 SharedMiscCodeSize,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	625 true, true);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	626 mapinfo->close();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	627
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	628 memmove(vtbl_list, saved_vtbl, vtbl_list_size * sizeof(void*));
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	629
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	630 if (PrintSharedSpaces) {
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	631 DumpAllocClosure dac;
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	632 dac.iterate_metaspace(_loader_data->ro_metaspace(), DumpAllocClosure::RO);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	633 dac.iterate_metaspace(_loader_data->rw_metaspace(), DumpAllocClosure::RW);
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	634
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	635 dac.dump_stats(int(ro_bytes), int(rw_bytes), int(md_bytes), int(mc_bytes));
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10183 diff changeset	636 }
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17876 diff changeset	637 #undef fmt_space
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	638 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	639
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	640
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	641 void MetaspaceShared::link_one_shared_class(Klass* obj, TRAPS) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6882 diff changeset	642 Klass* k = obj;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	643 if (k->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	644 InstanceKlass* ik = (InstanceKlass*) k;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	645 // Link the class to cause the bytecodes to be rewritten and the
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	646 // cpcache to be created. Class verification is done according
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	647 // to -Xverify setting.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	648 _link_classes_made_progress \|= try_link_class(ik, THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	649 guarantee(!HAS_PENDING_EXCEPTION, "exception in link_class");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	650 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	651 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	652
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	653 void MetaspaceShared::check_one_shared_class(Klass* k) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	654 if (k->oop_is_instance() && InstanceKlass::cast(k)->check_sharing_error_state()) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	655 _check_classes_made_progress = true;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	656 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	657 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	658
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	659 void MetaspaceShared::link_and_cleanup_shared_classes(TRAPS) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	660 // We need to iterate because verification may cause additional classes
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	661 // to be loaded.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	662 do {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	663 _link_classes_made_progress = false;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	664 SystemDictionary::classes_do(link_one_shared_class, THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	665 guarantee(!HAS_PENDING_EXCEPTION, "exception in link_class");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	666 } while (_link_classes_made_progress);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	667
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	668 if (_has_error_classes) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	669 // Mark all classes whose super class or interfaces failed verification.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	670 do {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	671 // Not completely sure if we need to do this iteratively. Anyway,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	672 // we should come here only if there are unverifiable classes, which
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	673 // shouldn't happen in normal cases. So better safe than sorry.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	674 _check_classes_made_progress = false;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	675 SystemDictionary::classes_do(check_one_shared_class);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	676 } while (_check_classes_made_progress);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	677
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	678 if (IgnoreUnverifiableClassesDuringDump) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	679 // This is useful when running JCK or SQE tests. You should not
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	680 // enable this when running real apps.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	681 SystemDictionary::remove_classes_in_error_state();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	682 } else {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	683 tty->print_cr("Please remove the unverifiable classes from your class list and try again");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	684 exit(1);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	685 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	686 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	687 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	688
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	689 void MetaspaceShared::prepare_for_dumping() {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	690 ClassLoader::initialize_shared_path();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	691 FileMapInfo::allocate_classpath_entry_table();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	692 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	693
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	694 // Preload classes from a list, populate the shared spaces and dump to a
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	695 // file.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	696 void MetaspaceShared::preload_and_dump(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	697 TraceTime timer("Dump Shared Spaces", TraceStartupTime);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	698 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	699
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	700 tty->print_cr("Allocated shared space: %d bytes at " PTR_FORMAT,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	701 MetaspaceShared::shared_rs()->size(),
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	702 MetaspaceShared::shared_rs()->base());
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	703
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	704 // Preload classes to be shared.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	705 // Should use some os:: method rather than fopen() here. aB.
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	706 const char* class_list_path;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	707 if (SharedClassListFile == NULL) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	708 // Construct the path to the class list (in jre/lib)
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	709 // Walk up two directories from the location of the VM and
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	710 // optionally tack on "lib" (depending on platform)
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	711 char class_list_path_str[JVM_MAXPATHLEN];
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	712 os::jvm_path(class_list_path_str, sizeof(class_list_path_str));
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	713 for (int i = 0; i < 3; i++) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	714 char end = strrchr(class_list_path_str, os::file_separator());
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	715 if (end != NULL) *end = '\0';
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	716 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	717 int class_list_path_len = (int)strlen(class_list_path_str);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	718 if (class_list_path_len >= 3) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	719 if (strcmp(class_list_path_str + class_list_path_len - 3, "lib") != 0) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	720 strcat(class_list_path_str, os::file_separator());
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	721 strcat(class_list_path_str, "lib");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	722 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	723 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	724 strcat(class_list_path_str, os::file_separator());
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	725 strcat(class_list_path_str, "classlist");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	726 class_list_path = class_list_path_str;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	727 } else {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	728 class_list_path = SharedClassListFile;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	729 }
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	730
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	731 int class_count = 0;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	732 GrowableArray<Klass> class_promote_order = new GrowableArray<Klass*>();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	733
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	734 // sun.io.Converters
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	735 static const char obj_array_sig[] = "[[Ljava/lang/Object;";
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	736 SymbolTable::new_permanent_symbol(obj_array_sig, THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	737
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	738 // java.util.HashMap
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	739 static const char map_entry_array_sig[] = "[Ljava/util/Map$Entry;";
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	740 SymbolTable::new_permanent_symbol(map_entry_array_sig, THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	741
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	742 tty->print_cr("Loading classes to share ...");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	743 _has_error_classes = false;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	744 class_count += preload_and_dump(class_list_path, class_promote_order,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	745 THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	746 if (ExtraSharedClassListFile) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	747 class_count += preload_and_dump(ExtraSharedClassListFile, class_promote_order,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	748 THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	749 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	750 tty->print_cr("Loading classes to share: done.");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	751
20608 4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	752 ClassLoaderExt::init_lookup_cache(THREAD);
4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	753
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	754 if (PrintSharedSpaces) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	755 tty->print_cr("Shared spaces: preloaded %d classes", class_count);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	756 }
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	757
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	758 // Rewrite and link classes
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	759 tty->print_cr("Rewriting and linking classes ...");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	760
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	761 // Link any classes which got missed. This would happen if we have loaded classes that
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	762 // were not explicitly specified in the classlist. E.g., if an interface implemented by class K
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	763 // fails verification, all other interfaces that were not specified in the classlist but
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	764 // are implemented by K are not verified.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	765 link_and_cleanup_shared_classes(CATCH);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	766 tty->print_cr("Rewriting and linking classes: done");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	767
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	768 // Create and dump the shared spaces. Everything so far is loaded
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	769 // with the null class loader.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	770 ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	771 VM_PopulateDumpSharedSpace op(loader_data, class_promote_order);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	772 VMThread::execute(&op);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	773
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	774 // Since various initialization steps have been undone by this process,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	775 // it is not reasonable to continue running a java process.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	776 exit(0);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	777 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	778
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	779 int MetaspaceShared::preload_and_dump(const char * class_list_path,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	780 GrowableArray<Klass> class_promote_order,
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	781 TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	782 FILE* file = fopen(class_list_path, "r");
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	783 char class_name[256];
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	784 int class_count = 0;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	785
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	786 if (file != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	787 while ((fgets(class_name, sizeof class_name, file)) != NULL) {
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	788 if (*class_name == '#') { // comment
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	789 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	790 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	791 // Remove trailing newline
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	792 size_t name_len = strlen(class_name);
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	793 if (class_name[name_len-1] == '\n') {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	794 class_name[name_len-1] = '\0';
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	795 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	796
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	797 // Got a class name - load it.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	798 TempNewSymbol class_name_symbol = SymbolTable::new_permanent_symbol(class_name, THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	799 guarantee(!HAS_PENDING_EXCEPTION, "Exception creating a symbol.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	800 Klass* klass = SystemDictionary::resolve_or_null(class_name_symbol,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	801 THREAD);
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	802 CLEAR_PENDING_EXCEPTION;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	803 if (klass != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	804 if (PrintSharedSpaces && Verbose && WizardMode) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	805 tty->print_cr("Shared spaces preloaded: %s", class_name);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	806 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	807
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	808 InstanceKlass* ik = InstanceKlass::cast(klass);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	809
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	810 // Should be class load order as per -XX:+TraceClassLoadingPreorder
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	811 class_promote_order->append(ik);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	812
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	813 // Link the class to cause the bytecodes to be rewritten and the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	814 // cpcache to be created. The linking is done as soon as classes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	815 // are loaded in order that the related data structures (klass and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	816 // cpCache) are located together.
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	817 try_link_class(ik, THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	818 guarantee(!HAS_PENDING_EXCEPTION, "exception in link_class");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	819
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	820 class_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	821 } else {
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	822 //tty->print_cr("Preload failed: %s", class_name);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	823 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	824 }
20389 622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	825 fclose(file);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	826 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	827 char errmsg[JVM_MAXPATHLEN];
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	828 os::lasterror(errmsg, JVM_MAXPATHLEN);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	829 tty->print_cr("Loading classlist failed: %s", errmsg);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	830 exit(1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	831 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	832
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	833 return class_count;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	834 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	835
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	836 // Returns true if the class's status has changed
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	837 bool MetaspaceShared::try_link_class(InstanceKlass* ik, TRAPS) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	838 assert(DumpSharedSpaces, "should only be called during dumping");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	839 if (ik->init_state() < InstanceKlass::linked) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	840 bool saved = BytecodeVerificationLocal;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	841 if (!SharedClassUtil::is_shared_boot_class(ik)) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	842 // The verification decision is based on BytecodeVerificationRemote
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	843 // for non-system classes. Since we are using the NULL classloader
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	844 // to load non-system classes during dumping, we need to temporarily
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	845 // change BytecodeVerificationLocal to be the same as
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	846 // BytecodeVerificationRemote. Note this can cause the parent system
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	847 // classes also being verified. The extra overhead is acceptable during
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	848 // dumping.
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	849 BytecodeVerificationLocal = BytecodeVerificationRemote;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	850 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	851 ik->link_class(THREAD);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	852 if (HAS_PENDING_EXCEPTION) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	853 ResourceMark rm;
20649 3375833a603e 8064375: Change certain errors to warnings in CDS output. jiangli parents: 20608 diff changeset	854 tty->print_cr("Preload Warning: Verification failed for %s",
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	855 ik->external_name());
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	856 CLEAR_PENDING_EXCEPTION;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	857 ik->set_in_error_state();
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	858 _has_error_classes = true;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	859 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	860 BytecodeVerificationLocal = saved;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	861 return true;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	862 } else {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	863 return false;
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	864 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	865 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	866
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	867 // Closure for serializing initialization data in from a data area
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	868 // (ptr_array) read from the shared file.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	869
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	870 class ReadClosure : public SerializeClosure {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	871 private:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	872 intptr_t** _ptr_array;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	873
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	874 inline intptr_t nextPtr() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	875 return (_ptr_array)++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	876 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	877
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	878 public:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	879 ReadClosure(intptr_t** ptr_array) { _ptr_array = ptr_array; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	880
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	881 void do_ptr(void** p) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	882 assert(*p == NULL, "initializing previous initialized pointer.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	883 intptr_t obj = nextPtr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	884 assert((intptr_t)obj >= 0 \|\| (intptr_t)obj < -100,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	885 "hit tag while initializing ptrs.");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	886 p = (void)obj;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	887 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	888
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	889 void do_tag(int tag) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	890 int old_tag;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	891 old_tag = (int)(intptr_t)nextPtr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	892 // do_int(&old_tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	893 assert(tag == old_tag, "old tag doesn't match");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	894 FileMapInfo::assert_mark(tag == old_tag);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	895 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	896
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	897 void do_region(u_char* start, size_t size) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	898 assert((intptr_t)start % sizeof(intptr_t) == 0, "bad alignment");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	899 assert(size % sizeof(intptr_t) == 0, "bad size");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	900 do_tag((int)size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	901 while (size > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	902 (intptr_t)start = nextPtr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	903 start += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	904 size -= sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	905 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	906 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	907
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	908 bool reading() const { return true; }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	909 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	910
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	911 // Return true if given address is in the mapped shared space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	912 bool MetaspaceShared::is_in_shared_space(const void* p) {
11056 221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	913 return UseSharedSpaces && FileMapInfo::current_info()->is_in_shared_space(p);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	914 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	915
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	916 void MetaspaceShared::print_shared_spaces() {
11056 221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	917 if (UseSharedSpaces) {
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	918 FileMapInfo::current_info()->print_shared_spaces();
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	919 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	920 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	921
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	922
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	923 // Map shared spaces at requested addresses and return if succeeded.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	924 // Need to keep the bounds of the ro and rw space for the Metaspace::contains
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	925 // call, or is_in_shared_space.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	926 bool MetaspaceShared::map_shared_spaces(FileMapInfo* mapinfo) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	927 size_t image_alignment = mapinfo->alignment();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	928
7460 6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	929 #ifndef _WINDOWS
6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	930 // Map in the shared memory and then map the regions on top of it.
6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	931 // On Windows, don't map the memory here because it will cause the
6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	932 // mappings of the regions to fail.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	933 ReservedSpace shared_rs = mapinfo->reserve_shared_memory();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	934 if (!shared_rs.is_reserved()) return false;
7460 6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	935 #endif
6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	936
6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	937 assert(!DumpSharedSpaces, "Should not be called with DumpSharedSpaces");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	938
11056 221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	939 char* _ro_base = NULL;
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	940 char* _rw_base = NULL;
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	941 char* _md_base = NULL;
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	942 char* _mc_base = NULL;
221df7e37535 8016075: Win32 crash with CDS enabled and small heap size iklam parents: 10376 diff changeset	943
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	944 // Map each shared region
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	945 if ((_ro_base = mapinfo->map_region(ro)) != NULL &&
18096 ca6d25be853b 8044269: Analysis of archive files. jiangli parents: 17937 diff changeset	946 mapinfo->verify_region_checksum(ro) &&
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	947 (_rw_base = mapinfo->map_region(rw)) != NULL &&
18096 ca6d25be853b 8044269: Analysis of archive files. jiangli parents: 17937 diff changeset	948 mapinfo->verify_region_checksum(rw) &&
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	949 (_md_base = mapinfo->map_region(md)) != NULL &&
18096 ca6d25be853b 8044269: Analysis of archive files. jiangli parents: 17937 diff changeset	950 mapinfo->verify_region_checksum(md) &&
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	951 (_mc_base = mapinfo->map_region(mc)) != NULL &&
18096 ca6d25be853b 8044269: Analysis of archive files. jiangli parents: 17937 diff changeset	952 mapinfo->verify_region_checksum(mc) &&
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	953 (image_alignment == (size_t)max_alignment()) &&
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	954 mapinfo->validate_classpath_entry_table()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	955 // Success (no need to do anything)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	956 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	957 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	958 // If there was a failure in mapping any of the spaces, unmap the ones
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	959 // that succeeded
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	960 if (_ro_base != NULL) mapinfo->unmap_region(ro);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	961 if (_rw_base != NULL) mapinfo->unmap_region(rw);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	962 if (_md_base != NULL) mapinfo->unmap_region(md);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	963 if (_mc_base != NULL) mapinfo->unmap_region(mc);
7460 6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	964 #ifndef _WINDOWS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	965 // Release the entire mapped region
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	966 shared_rs.release();
7460 6c3f47d964f3 8003705: CDS failed on Windows: can not map in the CDS. hseigel parents: 6983 diff changeset	967 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	968 // If -Xshare:on is specified, print out the error message and exit VM,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	969 // otherwise, set UseSharedSpaces to false and continue.
20700 0558eb13dcf3 8066670: PrintSharedArchiveAndExit does not exit the VM when the archive is invalid iklam parents: 20649 diff changeset	970 if (RequireSharedSpaces \|\| PrintSharedArchiveAndExit) {
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	971 vm_exit_during_initialization("Unable to use shared archive.", "Failed map_region for using -Xshare:on.");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	972 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	973 FLAG_SET_DEFAULT(UseSharedSpaces, false);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	974 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	975 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	976 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	977 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	978
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	979 // Read the miscellaneous data from the shared file, and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	980 // serialize it out to its various destinations.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	981
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	982 void MetaspaceShared::initialize_shared_spaces() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	983 FileMapInfo *mapinfo = FileMapInfo::current_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	984
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	985 char* buffer = mapinfo->region_base(md);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	986
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	987 // Skip over (reserve space for) a list of addresses of C++ vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	988 // for Klass objects. They get filled in later.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	989
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	990 void vtbl_list = (void)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	991 buffer += MetaspaceShared::vtbl_list_size * sizeof(void*);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	992 Universe::init_self_patching_vtbl_list(vtbl_list, vtbl_list_size);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	993
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	994 // Skip over (reserve space for) dummy C++ vtables Klass objects.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	995 // They are used as is.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	996
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	997 intptr_t vtable_size = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	998 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	999 buffer += vtable_size;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1000
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1001 // Create the symbol table using the bucket array at this spot in the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1002 // misc data space. Since the symbol table is often modified, this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1003 // region (of mapped pages) will be copy-on-write.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1004
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1005 int symbolTableLen = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1006 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1007 int number_of_entries = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1008 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1009 SymbolTable::create_table((HashtableBucket<mtSymbol>*)buffer, symbolTableLen,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1010 number_of_entries);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1011 buffer += symbolTableLen;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1012
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1013 // Create the shared dictionary using the bucket array at this spot in
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1014 // the misc data space. Since the shared dictionary table is never
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1015 // modified, this region (of mapped pages) will be (effectively, if
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1016 // not explicitly) read-only.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1017
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1018 int sharedDictionaryLen = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1019 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1020 number_of_entries = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1021 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1022 SystemDictionary::set_shared_dictionary((HashtableBucket<mtClass>*)buffer,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1023 sharedDictionaryLen,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1024 number_of_entries);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1025 buffer += sharedDictionaryLen;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1026
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1027 // Create the package info table using the bucket array at this spot in
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1028 // the misc data space. Since the package info table is never
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1029 // modified, this region (of mapped pages) will be (effectively, if
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1030 // not explicitly) read-only.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1031
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1032 int pkgInfoLen = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1033 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1034 number_of_entries = (intptr_t)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1035 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1036 ClassLoader::create_package_info_table((HashtableBucket<mtClass>*)buffer, pkgInfoLen,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1037 number_of_entries);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1038 buffer += pkgInfoLen;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1039 ClassLoader::verify();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1040
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1041 // The following data in the shared misc data region are the linked
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1042 // list elements (HashtableEntry objects) for the symbol table, string
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1043 // table, and shared dictionary. The heap objects refered to by the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1044 // symbol table, string table, and shared dictionary are permanent and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1045 // unmovable. Since new entries added to the string and symbol tables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1046 // are always added at the beginning of the linked lists, THESE LINKED
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1047 // LIST ELEMENTS ARE READ-ONLY.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1048
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1049 int len = (intptr_t)buffer; // skip over symbol table entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1050 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1051 buffer += len;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1052
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1053 len = (intptr_t)buffer; // skip over shared dictionary entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1054 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1055 buffer += len;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1056
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1057 len = (intptr_t)buffer; // skip over package info table entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1058 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1059 buffer += len;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1060
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1061 len = (intptr_t)buffer; // skip over package info table char[] arrays.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1062 buffer += sizeof(intptr_t);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1063 buffer += len;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1064
20608 4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	1065 buffer = ClassLoaderExt::restore_lookup_cache_from_archive(buffer);
4cb90023bf2b 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time iklam parents: 20527 diff changeset	1066
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1067 intptr_t* array = (intptr_t*)buffer;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1068 ReadClosure rc(&array);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1069 serialize(&rc);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1070
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1071 // Close the mapinfo file
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1072 mapinfo->close();
20375 6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1073
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1074 if (PrintSharedArchiveAndExit) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1075 if (PrintSharedDictionary) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1076 tty->print_cr("\nShared classes:\n");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1077 SystemDictionary::print_shared(false);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1078 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1079 if (_archive_loading_failed) {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1080 tty->print_cr("archive is invalid");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1081 vm_exit(1);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1082 } else {
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1083 tty->print_cr("archive is valid");
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1084 vm_exit(0);
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1085 }
6e0cb14ce59b 8046070: Class Data Sharing clean up and refactoring iklam parents: 17937 diff changeset	1086 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1087 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1088
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1089 // JVM/TI RedefineClasses() support:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1090 bool MetaspaceShared::remap_shared_readonly_as_readwrite() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1091 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1092
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1093 if (UseSharedSpaces) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1094 // remap the shared readonly space to shared readwrite, private
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1095 FileMapInfo* mapinfo = FileMapInfo::current_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1096 if (!mapinfo->remap_shared_readonly_as_readwrite()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1097 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1098 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1099 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1100 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: diff changeset	1101 }
20389 622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1102
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1103 int MetaspaceShared::count_class(const char* classlist_file) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1104 if (classlist_file == NULL) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1105 return 0;
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1106 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1107 char class_name[256];
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1108 int class_count = 0;
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1109 FILE* file = fopen(classlist_file, "r");
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1110 if (file != NULL) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1111 while ((fgets(class_name, sizeof class_name, file)) != NULL) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1112 if (*class_name == '#') { // comment
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1113 continue;
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1114 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1115 class_count++;
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1116 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1117 fclose(file);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1118 } else {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1119 char errmsg[JVM_MAXPATHLEN];
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1120 os::lasterror(errmsg, JVM_MAXPATHLEN);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1121 tty->print_cr("Loading classlist failed: %s", errmsg);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1122 exit(1);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1123 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1124
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1125 return class_count;
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1126 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1127
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1128 // the sizes are good for typical large applications that have a lot of shared
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1129 // classes
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1130 void MetaspaceShared::estimate_regions_size() {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1131 int class_count = count_class(SharedClassListFile);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1132 class_count += count_class(ExtraSharedClassListFile);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1133
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1134 if (class_count > LargeThresholdClassCount) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1135 if (class_count < HugeThresholdClassCount) {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1136 SET_ESTIMATED_SIZE(Large, ReadOnly);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1137 SET_ESTIMATED_SIZE(Large, ReadWrite);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1138 SET_ESTIMATED_SIZE(Large, MiscData);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1139 SET_ESTIMATED_SIZE(Large, MiscCode);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1140 } else {
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1141 SET_ESTIMATED_SIZE(Huge, ReadOnly);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1142 SET_ESTIMATED_SIZE(Huge, ReadWrite);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1143 SET_ESTIMATED_SIZE(Huge, MiscData);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1144 SET_ESTIMATED_SIZE(Huge, MiscCode);
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1145 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1146 }
622c6e0ad4d6 8048150: Allow easy configurations for large CDS archives ccheung parents: 20375 diff changeset	1147 }

Mercurial > hg > truffle

annotate src/share/vm/memory/metaspaceShared.cpp @ 20705:d3f3f7677537