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

annotate src/share/vm/oops/instanceKlass.cpp @ 12281:4f9a42c33738

8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously Summary: Need to refetch each method from InstanceKlass after all safepoints. Removed leaky PreviousVersionInfo code. Reviewed-by: dcubed, sspitsyn

author	coleenp
date	Fri, 20 Sep 2013 09:30:02 -0400
parents	e22ee8e7ae62
children	0f37d1badced

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1490 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	26 #include "classfile/javaClasses.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	28 #include "classfile/verifier.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	29 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	30 #include "compiler/compileBroker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	31 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33 #include "interpreter/oopMapCache.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	34 #include "interpreter/rewriter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	35 #include "jvmtifiles/jvmti.h"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	36 #include "memory/genOopClosures.inline.hpp"
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	37 #include "memory/heapInspection.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	38 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	39 #include "memory/oopFactory.hpp"
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	40 #include "oops/fieldStreams.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	41 #include "oops/instanceClassLoaderKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	42 #include "oops/instanceKlass.hpp"
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	43 #include "oops/instanceMirrorKlass.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	44 #include "oops/instanceOop.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	45 #include "oops/klass.inline.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	46 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	47 #include "oops/oop.inline.hpp"
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	48 #include "oops/symbol.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	49 #include "prims/jvmtiExport.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	50 #include "prims/jvmtiRedefineClassesTrace.hpp"
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	51 #include "prims/jvmtiRedefineClasses.hpp"
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	52 #include "prims/methodComparator.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	53 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	54 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	55 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	56 #include "runtime/mutexLocker.hpp"
7180 f34d701e952e 8003935: Simplify the needed includes for using Thread::current() stefank parents: 6985 diff changeset	57 #include "runtime/thread.inline.hpp"
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	58 #include "services/classLoadingService.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	59 #include "services/threadService.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	60 #include "utilities/dtrace.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	61 #include "utilities/macros.hpp"
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	62 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	63 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	65 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	66 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	67 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	68 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	69 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	70 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	71 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	72 #include "oops/oop.pcgc.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	73 #endif // INCLUDE_ALL_GCS
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	74 #ifdef COMPILER1
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	75 #include "c1/c1_Compiler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	76 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	77
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	78 #ifdef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	79
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	80 #ifndef USDT2
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	81
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	82 HS_DTRACE_PROBE_DECL4(hotspot, class__initialization__required,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	83 char*, intptr_t, oop, intptr_t);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	84 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__recursive,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	85 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	86 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__concurrent,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	87 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	88 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__erroneous,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	89 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	90 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__super__failed,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	91 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	92 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__clinit,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	93 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	94 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__error,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	95 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	96 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	97 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	98
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	99 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	100 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	101 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	102 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	103 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	104 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	105 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	106 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	107 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	108 HS_DTRACE_PROBE4(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	109 data, len, (clss)->class_loader(), thread_type); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	110 }
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	111
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	112 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	113 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	114 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	115 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	116 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	117 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	118 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	119 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	120 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	121 HS_DTRACE_PROBE5(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	122 data, len, (clss)->class_loader(), thread_type, wait); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	123 }
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	124 #else /* USDT2 */
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	125
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	126 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	127 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	128 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	129 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	130 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	131 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	132 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	133 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	134 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	135 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	136 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	137 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	138 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	139 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	140 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	141 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	142 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	143 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	144 data, len, (clss)->class_loader(), thread_type); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	145 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	146
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	147 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	148 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	149 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	150 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	151 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	152 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	153 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	154 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	155 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	156 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	157 data, len, (clss)->class_loader(), thread_type, wait); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	158 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	159 #endif /* USDT2 */
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	160
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	161 #else // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	162
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	163 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	164 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	165
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	166 #endif // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	167
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	168 volatile int InstanceKlass::_total_instanceKlass_count = 0;
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	169
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	170 InstanceKlass* InstanceKlass::allocate_instance_klass(
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	171 ClassLoaderData* loader_data,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	172 int vtable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	173 int itable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	174 int static_field_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	175 int nonstatic_oop_map_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	176 ReferenceType rt,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	177 AccessFlags access_flags,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	178 Symbol* name,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	179 Klass* super_klass,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	180 bool is_anonymous,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	181 TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	182
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	183 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	184 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	185
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	186 // Allocation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 InstanceKlass* ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	188 if (rt == REF_NONE) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	189 if (name == vmSymbols::java_lang_Class()) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	190 ik = new (loader_data, size, THREAD) InstanceMirrorKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	191 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	192 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 } else if (name == vmSymbols::java_lang_ClassLoader() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	194 (SystemDictionary::ClassLoader_klass_loaded() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	195 super_klass != NULL &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	196 super_klass->is_subtype_of(SystemDictionary::ClassLoader_klass()))) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	197 ik = new (loader_data, size, THREAD) InstanceClassLoaderKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	198 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	199 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	200 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	201 // normal class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	202 ik = new (loader_data, size, THREAD) InstanceKlass(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	203 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	204 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	205 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	206 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	207 // reference klass
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	208 ik = new (loader_data, size, THREAD) InstanceRefKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	209 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	210 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	211 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	212
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	213 // Check for pending exception before adding to the loader data and incrementing
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	214 // class count. Can get OOM here.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	215 if (HAS_PENDING_EXCEPTION) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	216 return NULL;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	217 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	218
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	219 // Add all classes to our internal class loader list here,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	220 // including classes in the bootstrap (NULL) class loader.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	221 loader_data->add_class(ik);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	222
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	223 Atomic::inc(&_total_instanceKlass_count);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	224 return ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	225 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	226
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	227
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	228 // copy method ordering from resource area to Metaspace
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	229 void InstanceKlass::copy_method_ordering(intArray* m, TRAPS) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	230 if (m != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	231 // allocate a new array and copy contents (memcpy?)
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	232 _method_ordering = MetadataFactory::new_array<int>(class_loader_data(), m->length(), CHECK);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	233 for (int i = 0; i < m->length(); i++) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	234 _method_ordering->at_put(i, m->at(i));
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	235 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	236 } else {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	237 _method_ordering = Universe::the_empty_int_array();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	238 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	239 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	240
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	241
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	242 InstanceKlass::InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	243 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	245 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	246 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	247 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	248 bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	249 No_Safepoint_Verifier no_safepoint; // until k becomes parsable
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	250
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	251 int iksize = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	252 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	253
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	254 set_vtable_length(vtable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	255 set_itable_length(itable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	256 set_static_field_size(static_field_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	257 set_nonstatic_oop_map_size(nonstatic_oop_map_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	258 set_access_flags(access_flags);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	259 _misc_flags = 0; // initialize to zero
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	260 set_is_anonymous(is_anonymous);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	261 assert(size() == iksize, "wrong size for object");
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	262
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	263 set_array_klasses(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	264 set_methods(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	265 set_method_ordering(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	266 set_local_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	267 set_transitive_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	268 init_implementor();
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	269 set_fields(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	270 set_constants(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	271 set_class_loader_data(NULL);
12067 e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	272 set_source_file_name_index(0);
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	273 set_source_debug_extension(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	274 set_array_name(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	275 set_inner_classes(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	276 set_static_oop_field_count(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	277 set_nonstatic_field_size(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	278 set_is_marked_dependent(false);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	279 set_init_state(InstanceKlass::allocated);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	280 set_init_thread(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	281 set_reference_type(rt);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	282 set_oop_map_cache(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	283 set_jni_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	284 set_osr_nmethods_head(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	285 set_breakpoints(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	286 init_previous_versions();
12067 e22ee8e7ae62 8021948: Change InstanceKlass::_source_file_name and _generic_signature from Symbol* to constant pool indexes. jiangli parents: 11148 diff changeset	287 set_generic_signature_index(0);
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	288 release_set_methods_jmethod_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	289 release_set_methods_cached_itable_indices(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	290 set_annotations(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	291 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	292 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	293 _dependencies = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	294 set_jvmti_cached_class_field_map(NULL);
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	295 set_cached_class_file(NULL);
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	296 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	297 set_minor_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	298 set_major_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	299 NOT_PRODUCT(_verify_count = 0;)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	300
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	301 // initialize the non-header words to zero
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	302 intptr_t* p = (intptr_t*)this;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	303 for (int index = InstanceKlass::header_size(); index < iksize; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	304 p[index] = NULL_WORD;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	305 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	306
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	307 // Set temporary value until parseClassFile updates it with the real instance
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308 // size.
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	309 set_layout_helper(Klass::instance_layout_helper(0, true));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	310 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	311
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	312
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	313 void InstanceKlass::deallocate_methods(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	314 Array<Method> methods) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	315 if (methods != NULL && methods != Universe::the_empty_method_array()) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	316 for (int i = 0; i < methods->length(); i++) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	317 Method* method = methods->at(i);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	318 if (method == NULL) continue; // maybe null if error processing
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	319 // Only want to delete methods that are not executing for RedefineClasses.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	320 // The previous version will point to them so they're not totally dangling
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	321 assert (!method->on_stack(), "shouldn't be called with methods on stack");
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	322 MetadataFactory::free_metadata(loader_data, method);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	323 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	324 MetadataFactory::free_array<Method*>(loader_data, methods);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	325 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	326 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	327
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	328 void InstanceKlass::deallocate_interfaces(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	329 Klass* super_klass,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	330 Array<Klass> local_interfaces,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	331 Array<Klass> transitive_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	332 // Only deallocate transitive interfaces if not empty, same as super class
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	333 // or same as local interfaces. See code in parseClassFile.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	334 Array<Klass> ti = transitive_interfaces;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	335 if (ti != Universe::the_empty_klass_array() && ti != local_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	336 // check that the interfaces don't come from super class
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	337 Array<Klass> sti = (super_klass == NULL) ? NULL :
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	338 InstanceKlass::cast(super_klass)->transitive_interfaces();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	339 if (ti != sti) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	340 MetadataFactory::free_array<Klass*>(loader_data, ti);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	341 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	342 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	343
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	344 // local interfaces can be empty
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	345 if (local_interfaces != Universe::the_empty_klass_array()) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	346 MetadataFactory::free_array<Klass*>(loader_data, local_interfaces);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	347 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	348 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	349
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	350 // This function deallocates the metadata and C heap pointers that the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 // InstanceKlass points to.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	353
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	354 // Orphan the mirror first, CMS thinks it's still live.
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	355 if (java_mirror() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	356 java_lang_Class::set_klass(java_mirror(), NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	357 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	358
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	359 // Need to take this class off the class loader data list.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	360 loader_data->remove_class(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	361
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	362 // The array_klass for this class is created later, after error handling.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	363 // For class redefinition, we keep the original class so this scratch class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	364 // doesn't have an array class. Either way, assert that there is nothing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	365 // to deallocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	366 assert(array_klasses() == NULL, "array classes shouldn't be created for this class yet");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	367
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	368 // Release C heap allocated data that this might point to, which includes
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	369 // reference counting symbol names.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	370 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	371
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	372 deallocate_methods(loader_data, methods());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	373 set_methods(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	374
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375 if (method_ordering() != Universe::the_empty_int_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	376 MetadataFactory::free_array<int>(loader_data, method_ordering());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	377 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378 set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	380 // This array is in Klass, but remove it with the InstanceKlass since
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	381 // this place would be the only caller and it can share memory with transitive
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	382 // interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	383 if (secondary_supers() != Universe::the_empty_klass_array() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	384 secondary_supers() != transitive_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	386 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	387 set_secondary_supers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	389 deallocate_interfaces(loader_data, super(), local_interfaces(), transitive_interfaces());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	390 set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	391 set_local_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 MetadataFactory::free_array<jushort>(loader_data, fields());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	394 set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	395
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	396 // If a method from a redefined class is using this constant pool, don't
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	397 // delete it, yet. The new class's previous version will point to this.
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	398 if (constants() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	399 assert (!constants()->on_stack(), "shouldn't be called if anything is onstack");
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	400 MetadataFactory::free_metadata(loader_data, constants());
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	401 set_constants(NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	402 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	403
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	404 if (inner_classes() != Universe::the_empty_short_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	405 MetadataFactory::free_array<jushort>(loader_data, inner_classes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	406 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407 set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	408
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	409 // We should deallocate the Annotations instance
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	410 MetadataFactory::free_metadata(loader_data, annotations());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	411 set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	412 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	413
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	414 bool InstanceKlass::should_be_initialized() const {
0 a61af66fc99e Initial load duke parents: diff changeset	415 return !is_initialized();
a61af66fc99e Initial load duke parents: diff changeset	416 }
a61af66fc99e Initial load duke parents: diff changeset	417
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	418 klassVtable* InstanceKlass::vtable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	419 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size());
0 a61af66fc99e Initial load duke parents: diff changeset	420 }
a61af66fc99e Initial load duke parents: diff changeset	421
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	422 klassItable* InstanceKlass::itable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	423 return new klassItable(instanceKlassHandle(this));
0 a61af66fc99e Initial load duke parents: diff changeset	424 }
a61af66fc99e Initial load duke parents: diff changeset	425
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	426 void InstanceKlass::eager_initialize(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	427 if (!EagerInitialization) return;
a61af66fc99e Initial load duke parents: diff changeset	428
a61af66fc99e Initial load duke parents: diff changeset	429 if (this->is_not_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	430 // abort if the the class has a class initializer
a61af66fc99e Initial load duke parents: diff changeset	431 if (this->class_initializer() != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	432
a61af66fc99e Initial load duke parents: diff changeset	433 // abort if it is java.lang.Object (initialization is handled in genesis)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	434 Klass* super = this->super();
0 a61af66fc99e Initial load duke parents: diff changeset	435 if (super == NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	436
a61af66fc99e Initial load duke parents: diff changeset	437 // abort if the super class should be initialized
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	438 if (!InstanceKlass::cast(super)->is_initialized()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	439
a61af66fc99e Initial load duke parents: diff changeset	440 // call body to expose the this pointer
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	441 instanceKlassHandle this_oop(thread, this);
0 a61af66fc99e Initial load duke parents: diff changeset	442 eager_initialize_impl(this_oop);
a61af66fc99e Initial load duke parents: diff changeset	443 }
a61af66fc99e Initial load duke parents: diff changeset	444 }
a61af66fc99e Initial load duke parents: diff changeset	445
10343 6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	446 // JVMTI spec thinks there are signers and protection domain in the
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	447 // instanceKlass. These accessors pretend these fields are there.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	448 // The hprof specification also thinks these fields are in InstanceKlass.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	449 oop InstanceKlass::protection_domain() const {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	450 // return the protection_domain from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	451 return java_lang_Class::protection_domain(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	452 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	453
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	454 // To remove these from requires an incompatible change and CCC request.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	455 objArrayOop InstanceKlass::signers() const {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	456 // return the signers from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	457 return java_lang_Class::signers(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	458 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	459
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	460 volatile oop InstanceKlass::init_lock() const {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	461 // return the init lock from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	462 return java_lang_Class::init_lock(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	463 }
0 a61af66fc99e Initial load duke parents: diff changeset	464
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	465 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) {
0 a61af66fc99e Initial load duke parents: diff changeset	466 EXCEPTION_MARK;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	467 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	468 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	469
a61af66fc99e Initial load duke parents: diff changeset	470 // abort if someone beat us to the initialization
a61af66fc99e Initial load duke parents: diff changeset	471 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	472
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	473 ClassState old_state = this_oop->init_state();
0 a61af66fc99e Initial load duke parents: diff changeset	474 link_class_impl(this_oop, true, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	475 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	476 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	477 // Abort if linking the class throws an exception.
a61af66fc99e Initial load duke parents: diff changeset	478
a61af66fc99e Initial load duke parents: diff changeset	479 // Use a test to avoid redundantly resetting the state if there's
a61af66fc99e Initial load duke parents: diff changeset	480 // no change. Set_init_state() asserts that state changes make
a61af66fc99e Initial load duke parents: diff changeset	481 // progress, whereas here we might just be spinning in place.
a61af66fc99e Initial load duke parents: diff changeset	482 if( old_state != this_oop->_init_state )
a61af66fc99e Initial load duke parents: diff changeset	483 this_oop->set_init_state (old_state);
a61af66fc99e Initial load duke parents: diff changeset	484 } else {
a61af66fc99e Initial load duke parents: diff changeset	485 // linking successfull, mark class as initialized
a61af66fc99e Initial load duke parents: diff changeset	486 this_oop->set_init_state (fully_initialized);
a61af66fc99e Initial load duke parents: diff changeset	487 // trace
a61af66fc99e Initial load duke parents: diff changeset	488 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	489 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	490 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name());
a61af66fc99e Initial load duke parents: diff changeset	491 }
a61af66fc99e Initial load duke parents: diff changeset	492 }
a61af66fc99e Initial load duke parents: diff changeset	493 }
a61af66fc99e Initial load duke parents: diff changeset	494
a61af66fc99e Initial load duke parents: diff changeset	495
a61af66fc99e Initial load duke parents: diff changeset	496 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization
a61af66fc99e Initial load duke parents: diff changeset	497 // process. The step comments refers to the procedure described in that section.
a61af66fc99e Initial load duke parents: diff changeset	498 // Note: implementation moved to static method to expose the this pointer.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	499 void InstanceKlass::initialize(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	500 if (this->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	501 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	502 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	503 initialize_impl(this_oop, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	504 // Note: at this point the class may be initialized
a61af66fc99e Initial load duke parents: diff changeset	505 // OR it may be in the state of being initialized
a61af66fc99e Initial load duke parents: diff changeset	506 // in case of recursive initialization!
a61af66fc99e Initial load duke parents: diff changeset	507 } else {
a61af66fc99e Initial load duke parents: diff changeset	508 assert(is_initialized(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510 }
a61af66fc99e Initial load duke parents: diff changeset	511
a61af66fc99e Initial load duke parents: diff changeset	512
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	513 bool InstanceKlass::verify_code(
0 a61af66fc99e Initial load duke parents: diff changeset	514 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	515 // 1) Verify the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	516 Verifier::Mode mode =
a61af66fc99e Initial load duke parents: diff changeset	517 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 964 diff changeset	518 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	519 }
a61af66fc99e Initial load duke parents: diff changeset	520
a61af66fc99e Initial load duke parents: diff changeset	521
a61af66fc99e Initial load duke parents: diff changeset	522 // Used exclusively by the shared spaces dump mechanism to prevent
a61af66fc99e Initial load duke parents: diff changeset	523 // classes mapped into the shared regions in new VMs from appearing linked.
a61af66fc99e Initial load duke parents: diff changeset	524
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	525 void InstanceKlass::unlink_class() {
0 a61af66fc99e Initial load duke parents: diff changeset	526 assert(is_linked(), "must be linked");
a61af66fc99e Initial load duke parents: diff changeset	527 _init_state = loaded;
a61af66fc99e Initial load duke parents: diff changeset	528 }
a61af66fc99e Initial load duke parents: diff changeset	529
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	530 void InstanceKlass::link_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	531 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	532 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	533 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	534 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	535 link_class_impl(this_oop, true, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	536 }
a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538
a61af66fc99e Initial load duke parents: diff changeset	539 // Called to verify that a class can link during initialization, without
a61af66fc99e Initial load duke parents: diff changeset	540 // throwing a VerifyError.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	541 bool InstanceKlass::link_class_or_fail(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	542 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	543 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	544 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	545 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	546 link_class_impl(this_oop, false, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	547 }
a61af66fc99e Initial load duke parents: diff changeset	548 return is_linked();
a61af66fc99e Initial load duke parents: diff changeset	549 }
a61af66fc99e Initial load duke parents: diff changeset	550
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	551 bool InstanceKlass::link_class_impl(
0 a61af66fc99e Initial load duke parents: diff changeset	552 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	553 // check for error state
a61af66fc99e Initial load duke parents: diff changeset	554 if (this_oop->is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	555 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	556 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(),
a61af66fc99e Initial load duke parents: diff changeset	557 this_oop->external_name(), false);
a61af66fc99e Initial load duke parents: diff changeset	558 }
a61af66fc99e Initial load duke parents: diff changeset	559 // return if already verified
a61af66fc99e Initial load duke parents: diff changeset	560 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	561 return true;
a61af66fc99e Initial load duke parents: diff changeset	562 }
a61af66fc99e Initial load duke parents: diff changeset	563
a61af66fc99e Initial load duke parents: diff changeset	564 // Timing
a61af66fc99e Initial load duke parents: diff changeset	565 // timer handles recursion
a61af66fc99e Initial load duke parents: diff changeset	566 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl");
a61af66fc99e Initial load duke parents: diff changeset	567 JavaThread* jt = (JavaThread*)THREAD;
a61af66fc99e Initial load duke parents: diff changeset	568
a61af66fc99e Initial load duke parents: diff changeset	569 // link super class before linking this class
a61af66fc99e Initial load duke parents: diff changeset	570 instanceKlassHandle super(THREAD, this_oop->super());
a61af66fc99e Initial load duke parents: diff changeset	571 if (super.not_null()) {
a61af66fc99e Initial load duke parents: diff changeset	572 if (super->is_interface()) { // check if super class is an interface
a61af66fc99e Initial load duke parents: diff changeset	573 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	574 Exceptions::fthrow(
a61af66fc99e Initial load duke parents: diff changeset	575 THREAD_AND_LOCATION,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	576 vmSymbols::java_lang_IncompatibleClassChangeError(),
0 a61af66fc99e Initial load duke parents: diff changeset	577 "class %s has interface %s as super class",
a61af66fc99e Initial load duke parents: diff changeset	578 this_oop->external_name(),
a61af66fc99e Initial load duke parents: diff changeset	579 super->external_name()
a61af66fc99e Initial load duke parents: diff changeset	580 );
a61af66fc99e Initial load duke parents: diff changeset	581 return false;
a61af66fc99e Initial load duke parents: diff changeset	582 }
a61af66fc99e Initial load duke parents: diff changeset	583
a61af66fc99e Initial load duke parents: diff changeset	584 link_class_impl(super, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	585 }
a61af66fc99e Initial load duke parents: diff changeset	586
a61af66fc99e Initial load duke parents: diff changeset	587 // link all interfaces implemented by this class before linking this class
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	588 Array<Klass> interfaces = this_oop->local_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	589 int num_interfaces = interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	590 for (int index = 0; index < num_interfaces; index++) {
a61af66fc99e Initial load duke parents: diff changeset	591 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	592 instanceKlassHandle ih(THREAD, interfaces->at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	593 link_class_impl(ih, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	594 }
a61af66fc99e Initial load duke parents: diff changeset	595
a61af66fc99e Initial load duke parents: diff changeset	596 // in case the class is linked in the process of linking its superclasses
a61af66fc99e Initial load duke parents: diff changeset	597 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	598 return true;
a61af66fc99e Initial load duke parents: diff changeset	599 }
a61af66fc99e Initial load duke parents: diff changeset	600
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	601 // trace only the link time for this klass that includes
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	602 // the verification time
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	603 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	604 ClassLoader::perf_class_link_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	605 ClassLoader::perf_classes_linked(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	606 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	607 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	608 PerfClassTraceTime::CLASS_LINK);
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	609
0 a61af66fc99e Initial load duke parents: diff changeset	610 // verification & rewriting
a61af66fc99e Initial load duke parents: diff changeset	611 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	612 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	613 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	614 // rewritten will have been set if loader constraint error found
a61af66fc99e Initial load duke parents: diff changeset	615 // on an earlier link attempt
a61af66fc99e Initial load duke parents: diff changeset	616 // don't verify or rewrite if already rewritten
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	617
0 a61af66fc99e Initial load duke parents: diff changeset	618 if (!this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	619 if (!this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	620 {
a61af66fc99e Initial load duke parents: diff changeset	621 // Timer includes any side effects of class verification (resolution,
a61af66fc99e Initial load duke parents: diff changeset	622 // etc), but not recursive entry into verify_code().
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	623 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	624 ClassLoader::perf_class_verify_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	625 ClassLoader::perf_classes_verified(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	626 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	627 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	628 PerfClassTraceTime::CLASS_VERIFY);
0 a61af66fc99e Initial load duke parents: diff changeset	629 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	630 if (!verify_ok) {
a61af66fc99e Initial load duke parents: diff changeset	631 return false;
a61af66fc99e Initial load duke parents: diff changeset	632 }
a61af66fc99e Initial load duke parents: diff changeset	633 }
a61af66fc99e Initial load duke parents: diff changeset	634
a61af66fc99e Initial load duke parents: diff changeset	635 // Just in case a side-effect of verify linked this class already
a61af66fc99e Initial load duke parents: diff changeset	636 // (which can sometimes happen since the verifier loads classes
a61af66fc99e Initial load duke parents: diff changeset	637 // using custom class loaders, which are free to initialize things)
a61af66fc99e Initial load duke parents: diff changeset	638 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	639 return true;
a61af66fc99e Initial load duke parents: diff changeset	640 }
a61af66fc99e Initial load duke parents: diff changeset	641
a61af66fc99e Initial load duke parents: diff changeset	642 // also sets rewritten
a61af66fc99e Initial load duke parents: diff changeset	643 this_oop->rewrite_class(CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	644 }
a61af66fc99e Initial load duke parents: diff changeset	645
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	646 // relocate jsrs and link methods after they are all rewritten
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	647 this_oop->link_methods(CHECK_false);
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	648
0 a61af66fc99e Initial load duke parents: diff changeset	649 // Initialize the vtable and interface table after
a61af66fc99e Initial load duke parents: diff changeset	650 // methods have been rewritten since rewrite may
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	651 // fabricate new Method*s.
0 a61af66fc99e Initial load duke parents: diff changeset	652 // also does loader constraint checking
a61af66fc99e Initial load duke parents: diff changeset	653 if (!this_oop()->is_shared()) {
a61af66fc99e Initial load duke parents: diff changeset	654 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	655 this_oop->vtable()->initialize_vtable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	656 this_oop->itable()->initialize_itable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	657 }
a61af66fc99e Initial load duke parents: diff changeset	658 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	659 else {
a61af66fc99e Initial load duke parents: diff changeset	660 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	661 this_oop->vtable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	662 // In case itable verification is ever added.
a61af66fc99e Initial load duke parents: diff changeset	663 // this_oop->itable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	664 }
a61af66fc99e Initial load duke parents: diff changeset	665 #endif
a61af66fc99e Initial load duke parents: diff changeset	666 this_oop->set_init_state(linked);
a61af66fc99e Initial load duke parents: diff changeset	667 if (JvmtiExport::should_post_class_prepare()) {
a61af66fc99e Initial load duke parents: diff changeset	668 Thread *thread = THREAD;
a61af66fc99e Initial load duke parents: diff changeset	669 assert(thread->is_Java_thread(), "thread->is_Java_thread()");
a61af66fc99e Initial load duke parents: diff changeset	670 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop());
a61af66fc99e Initial load duke parents: diff changeset	671 }
a61af66fc99e Initial load duke parents: diff changeset	672 }
a61af66fc99e Initial load duke parents: diff changeset	673 }
a61af66fc99e Initial load duke parents: diff changeset	674 return true;
a61af66fc99e Initial load duke parents: diff changeset	675 }
a61af66fc99e Initial load duke parents: diff changeset	676
a61af66fc99e Initial load duke parents: diff changeset	677
a61af66fc99e Initial load duke parents: diff changeset	678 // Rewrite the byte codes of all of the methods of a class.
a61af66fc99e Initial load duke parents: diff changeset	679 // The rewriter must be called exactly once. Rewriting must happen after
a61af66fc99e Initial load duke parents: diff changeset	680 // verification but before the first method of the class is executed.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	681 void InstanceKlass::rewrite_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	682 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	683 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	684 if (this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	685 assert(this_oop()->is_shared(), "rewriting an unshared class?");
a61af66fc99e Initial load duke parents: diff changeset	686 return;
a61af66fc99e Initial load duke parents: diff changeset	687 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	688 Rewriter::rewrite(this_oop, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	689 this_oop->set_rewritten();
a61af66fc99e Initial load duke parents: diff changeset	690 }
a61af66fc99e Initial load duke parents: diff changeset	691
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	692 // Now relocate and link method entry points after class is rewritten.
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	693 // This is outside is_rewritten flag. In case of an exception, it can be
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	694 // executed more than once.
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	695 void InstanceKlass::link_methods(TRAPS) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	696 int len = methods()->length();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	697 for (int i = len-1; i >= 0; i--) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	698 methodHandle m(THREAD, methods()->at(i));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	699
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	700 // Set up method entry points for compiler and interpreter .
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	701 m->link_method(m, CHECK);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	702
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	703 // This is for JVMTI and unrelated to relocator but the last thing we do
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	704 #ifdef ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	705 if (StressMethodComparator) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	706 ResourceMark rm(THREAD);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	707 static int nmc = 0;
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	708 for (int j = i; j >= 0 && j >= i-4; j--) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	709 if ((++nmc % 1000) == 0) tty->print_cr("Have run MethodComparator %d times...", nmc);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	710 bool z = MethodComparator::methods_EMCP(m(),
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	711 methods()->at(j));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	712 if (j == i && !z) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	713 tty->print("MethodComparator FAIL: "); m->print(); m->print_codes();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	714 assert(z, "method must compare equal to itself");
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	715 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	716 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	717 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	718 #endif //ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	719 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	720 }
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	721
0 a61af66fc99e Initial load duke parents: diff changeset	722
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	723 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	724 // Make sure klass is linked (verified) before initialization
a61af66fc99e Initial load duke parents: diff changeset	725 // A class could already be verified, since it has been reflected upon.
a61af66fc99e Initial load duke parents: diff changeset	726 this_oop->link_class(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	727
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	728 DTRACE_CLASSINIT_PROBE(required, InstanceKlass::cast(this_oop()), -1);
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	729
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	730 bool wait = false;
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	731
0 a61af66fc99e Initial load duke parents: diff changeset	732 // refer to the JVM book page 47 for description of steps
a61af66fc99e Initial load duke parents: diff changeset	733 // Step 1
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	734 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	735 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	736 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	737
a61af66fc99e Initial load duke parents: diff changeset	738 Thread *self = THREAD; // it's passed the current thread
a61af66fc99e Initial load duke parents: diff changeset	739
a61af66fc99e Initial load duke parents: diff changeset	740 // Step 2
a61af66fc99e Initial load duke parents: diff changeset	741 // If we were to use wait() instead of waitInterruptibly() then
a61af66fc99e Initial load duke parents: diff changeset	742 // we might end up throwing IE from link/symbol resolution sites
a61af66fc99e Initial load duke parents: diff changeset	743 // that aren't expected to throw. This would wreak havoc. See 6320309.
a61af66fc99e Initial load duke parents: diff changeset	744 while(this_oop->is_being_initialized() && !this_oop->is_reentrant_initialization(self)) {
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	745 wait = true;
0 a61af66fc99e Initial load duke parents: diff changeset	746 ol.waitUninterruptibly(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	747 }
a61af66fc99e Initial load duke parents: diff changeset	748
a61af66fc99e Initial load duke parents: diff changeset	749 // Step 3
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	750 if (this_oop->is_being_initialized() && this_oop->is_reentrant_initialization(self)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	751 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	752 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	753 }
0 a61af66fc99e Initial load duke parents: diff changeset	754
a61af66fc99e Initial load duke parents: diff changeset	755 // Step 4
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	756 if (this_oop->is_initialized()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	757 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	758 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	759 }
0 a61af66fc99e Initial load duke parents: diff changeset	760
a61af66fc99e Initial load duke parents: diff changeset	761 // Step 5
a61af66fc99e Initial load duke parents: diff changeset	762 if (this_oop->is_in_error_state()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	763 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	764 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	765 const char* desc = "Could not initialize class ";
a61af66fc99e Initial load duke parents: diff changeset	766 const char* className = this_oop->external_name();
a61af66fc99e Initial load duke parents: diff changeset	767 size_t msglen = strlen(desc) + strlen(className) + 1;
1751 2528b5bd749c 6980262: Memory leak when exception is thrown in static initializer kamg parents: 1706 diff changeset	768 char* message = NEW_RESOURCE_ARRAY(char, msglen);
0 a61af66fc99e Initial load duke parents: diff changeset	769 if (NULL == message) {
a61af66fc99e Initial load duke parents: diff changeset	770 // Out of memory: can't create detailed error message
a61af66fc99e Initial load duke parents: diff changeset	771 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className);
a61af66fc99e Initial load duke parents: diff changeset	772 } else {
a61af66fc99e Initial load duke parents: diff changeset	773 jio_snprintf(message, msglen, "%s%s", desc, className);
a61af66fc99e Initial load duke parents: diff changeset	774 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message);
a61af66fc99e Initial load duke parents: diff changeset	775 }
a61af66fc99e Initial load duke parents: diff changeset	776 }
a61af66fc99e Initial load duke parents: diff changeset	777
a61af66fc99e Initial load duke parents: diff changeset	778 // Step 6
a61af66fc99e Initial load duke parents: diff changeset	779 this_oop->set_init_state(being_initialized);
a61af66fc99e Initial load duke parents: diff changeset	780 this_oop->set_init_thread(self);
a61af66fc99e Initial load duke parents: diff changeset	781 }
a61af66fc99e Initial load duke parents: diff changeset	782
a61af66fc99e Initial load duke parents: diff changeset	783 // Step 7
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	784 Klass* super_klass = this_oop->super();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	785 if (super_klass != NULL && !this_oop->is_interface() && super_klass->should_be_initialized()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	786 super_klass->initialize(THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	787
a61af66fc99e Initial load duke parents: diff changeset	788 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	789 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	790 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	791 {
a61af66fc99e Initial load duke parents: diff changeset	792 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	793 this_oop->set_initialization_state_and_notify(initialization_error, THREAD); // Locks object, set state, and notify all waiting threads
a61af66fc99e Initial load duke parents: diff changeset	794 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	795 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	796 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	797 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	798 }
a61af66fc99e Initial load duke parents: diff changeset	799 }
a61af66fc99e Initial load duke parents: diff changeset	800
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	801 if (this_oop->has_default_methods()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	802 // Step 7.5: initialize any interfaces which have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	803 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	804 Klass* iface = this_oop->local_interfaces()->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	805 InstanceKlass* ik = InstanceKlass::cast(iface);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	806 if (ik->has_default_methods() && ik->should_be_initialized()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	807 ik->initialize(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	808
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	809 if (HAS_PENDING_EXCEPTION) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	810 Handle e(THREAD, PENDING_EXCEPTION);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	811 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	812 {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	813 EXCEPTION_MARK;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	814 // Locks object, set state, and notify all waiting threads
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	815 this_oop->set_initialization_state_and_notify(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	816 initialization_error, THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	817
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	818 // ignore any exception thrown, superclass initialization error is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	819 // thrown below
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	820 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	821 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	822 DTRACE_CLASSINIT_PROBE_WAIT(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	823 super__failed, InstanceKlass::cast(this_oop()), -1, wait);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	824 THROW_OOP(e());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	825 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	826 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	827 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	828 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	829
0 a61af66fc99e Initial load duke parents: diff changeset	830 // Step 8
a61af66fc99e Initial load duke parents: diff changeset	831 {
a61af66fc99e Initial load duke parents: diff changeset	832 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl");
a61af66fc99e Initial load duke parents: diff changeset	833 JavaThread* jt = (JavaThread*)THREAD;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	834 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	835 // Timer includes any side effects of class initialization (resolution,
a61af66fc99e Initial load duke parents: diff changeset	836 // etc), but not recursive entry into call_class_initializer().
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	837 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	838 ClassLoader::perf_class_init_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	839 ClassLoader::perf_classes_inited(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	840 jt->get_thread_stat()->perf_recursion_counts_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	841 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	842 PerfClassTraceTime::CLASS_CLINIT);
0 a61af66fc99e Initial load duke parents: diff changeset	843 this_oop->call_class_initializer(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	844 }
a61af66fc99e Initial load duke parents: diff changeset	845
a61af66fc99e Initial load duke parents: diff changeset	846 // Step 9
a61af66fc99e Initial load duke parents: diff changeset	847 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	848 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	849 { ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	850 debug_only(this_oop->vtable()->verify(tty, true);)
a61af66fc99e Initial load duke parents: diff changeset	851 }
a61af66fc99e Initial load duke parents: diff changeset	852 }
a61af66fc99e Initial load duke parents: diff changeset	853 else {
a61af66fc99e Initial load duke parents: diff changeset	854 // Step 10 and 11
a61af66fc99e Initial load duke parents: diff changeset	855 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	856 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	857 {
a61af66fc99e Initial load duke parents: diff changeset	858 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	859 this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	860 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	861 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	862 DTRACE_CLASSINIT_PROBE_WAIT(error, InstanceKlass::cast(this_oop()), -1,wait);
1142 4ce7240d622c 6914300: ciEnv should export all well known classes never parents: 1039 diff changeset	863 if (e->is_a(SystemDictionary::Error_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	864 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	865 } else {
a61af66fc99e Initial load duke parents: diff changeset	866 JavaCallArguments args(e);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	867 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	868 vmSymbols::throwable_void_signature(),
0 a61af66fc99e Initial load duke parents: diff changeset	869 &args);
a61af66fc99e Initial load duke parents: diff changeset	870 }
a61af66fc99e Initial load duke parents: diff changeset	871 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	872 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	873 }
a61af66fc99e Initial load duke parents: diff changeset	874
a61af66fc99e Initial load duke parents: diff changeset	875
a61af66fc99e Initial load duke parents: diff changeset	876 // Note: implementation moved to static method to expose the this pointer.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	877 void InstanceKlass::set_initialization_state_and_notify(ClassState state, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	878 instanceKlassHandle kh(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	879 set_initialization_state_and_notify_impl(kh, state, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	880 }
a61af66fc99e Initial load duke parents: diff changeset	881
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	882 void InstanceKlass::set_initialization_state_and_notify_impl(instanceKlassHandle this_oop, ClassState state, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	883 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	884 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	885 this_oop->set_init_state(state);
a61af66fc99e Initial load duke parents: diff changeset	886 ol.notify_all(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	887 }
a61af66fc99e Initial load duke parents: diff changeset	888
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	889 // The embedded _implementor field can only record one implementor.
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	890 // When there are more than one implementors, the _implementor field
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	891 // is set to the interface Klass* itself. Following are the possible
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	892 // values for the _implementor field:
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	893 // NULL - no implementor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	894 // implementor Klass* - one implementor
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	895 // self - more than one implementor
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	896 //
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	897 // The _implementor field only exists for interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	898 void InstanceKlass::add_implementor(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	899 assert(Compile_lock->owned_by_self(), "");
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	900 assert(is_interface(), "not interface");
0 a61af66fc99e Initial load duke parents: diff changeset	901 // Filter out my subinterfaces.
a61af66fc99e Initial load duke parents: diff changeset	902 // (Note: Interfaces are never on the subklass list.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	903 if (InstanceKlass::cast(k)->is_interface()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	904
a61af66fc99e Initial load duke parents: diff changeset	905 // Filter out subclasses whose supers already implement me.
a61af66fc99e Initial load duke parents: diff changeset	906 // (Note: CHA must walk subclasses of direct implementors
a61af66fc99e Initial load duke parents: diff changeset	907 // in order to locate indirect implementors.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	908 Klass* sk = InstanceKlass::cast(k)->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	909 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this))
0 a61af66fc99e Initial load duke parents: diff changeset	910 // We only need to check one immediate superclass, since the
a61af66fc99e Initial load duke parents: diff changeset	911 // implements_interface query looks at transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	912 // Any supers of the super have the same (or fewer) transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	913 return;
a61af66fc99e Initial load duke parents: diff changeset	914
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	915 Klass* ik = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	916 if (ik == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	917 set_implementor(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	918 } else if (ik != this) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	919 // There is already an implementor. Use itself as an indicator of
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	920 // more than one implementors.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	921 set_implementor(this);
0 a61af66fc99e Initial load duke parents: diff changeset	922 }
a61af66fc99e Initial load duke parents: diff changeset	923
a61af66fc99e Initial load duke parents: diff changeset	924 // The implementor also implements the transitive_interfaces
a61af66fc99e Initial load duke parents: diff changeset	925 for (int index = 0; index < local_interfaces()->length(); index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	926 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k);
0 a61af66fc99e Initial load duke parents: diff changeset	927 }
a61af66fc99e Initial load duke parents: diff changeset	928 }
a61af66fc99e Initial load duke parents: diff changeset	929
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	930 void InstanceKlass::init_implementor() {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	931 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	932 set_implementor(NULL);
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	933 }
0 a61af66fc99e Initial load duke parents: diff changeset	934 }
a61af66fc99e Initial load duke parents: diff changeset	935
a61af66fc99e Initial load duke parents: diff changeset	936
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	937 void InstanceKlass::process_interfaces(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	938 // link this class into the implementors list of every interface it implements
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	939 Klass* this_as_klass_oop = this;
0 a61af66fc99e Initial load duke parents: diff changeset	940 for (int i = local_interfaces()->length() - 1; i >= 0; i--) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	941 assert(local_interfaces()->at(i)->is_klass(), "must be a klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	942 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	943 assert(interf->is_interface(), "expected interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	944 interf->add_implementor(this_as_klass_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	945 }
a61af66fc99e Initial load duke parents: diff changeset	946 }
a61af66fc99e Initial load duke parents: diff changeset	947
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	948 bool InstanceKlass::can_be_primary_super_slow() const {
0 a61af66fc99e Initial load duke parents: diff changeset	949 if (is_interface())
a61af66fc99e Initial load duke parents: diff changeset	950 return false;
a61af66fc99e Initial load duke parents: diff changeset	951 else
a61af66fc99e Initial load duke parents: diff changeset	952 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	953 }
a61af66fc99e Initial load duke parents: diff changeset	954
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	955 GrowableArray<Klass> InstanceKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	956 // The secondaries are the implemented interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	957 InstanceKlass* ik = InstanceKlass::cast(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	958 Array<Klass> interfaces = ik->transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	959 int num_secondaries = num_extra_slots + interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	960 if (num_secondaries == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	961 // Must share this for correct bootstrapping!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	962 set_secondary_supers(Universe::the_empty_klass_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	963 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	964 } else if (num_extra_slots == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	965 // The secondary super list is exactly the same as the transitive interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	966 // Redefine classes has to be careful not to delete this!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	967 set_secondary_supers(interfaces);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	968 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	969 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	970 // Copy transitive interfaces to a temporary growable array to be constructed
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	971 // into the secondary super list with extra slots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	972 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(interfaces->length());
0 a61af66fc99e Initial load duke parents: diff changeset	973 for (int i = 0; i < interfaces->length(); i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	974 secondaries->push(interfaces->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	975 }
a61af66fc99e Initial load duke parents: diff changeset	976 return secondaries;
a61af66fc99e Initial load duke parents: diff changeset	977 }
a61af66fc99e Initial load duke parents: diff changeset	978 }
a61af66fc99e Initial load duke parents: diff changeset	979
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	980 bool InstanceKlass::compute_is_subtype_of(Klass* k) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	981 if (k->is_interface()) {
0 a61af66fc99e Initial load duke parents: diff changeset	982 return implements_interface(k);
a61af66fc99e Initial load duke parents: diff changeset	983 } else {
a61af66fc99e Initial load duke parents: diff changeset	984 return Klass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	985 }
a61af66fc99e Initial load duke parents: diff changeset	986 }
a61af66fc99e Initial load duke parents: diff changeset	987
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	988 bool InstanceKlass::implements_interface(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	989 if (this == k) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	990 assert(k->is_interface(), "should be an interface class");
0 a61af66fc99e Initial load duke parents: diff changeset	991 for (int i = 0; i < transitive_interfaces()->length(); i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	992 if (transitive_interfaces()->at(i) == k) {
0 a61af66fc99e Initial load duke parents: diff changeset	993 return true;
a61af66fc99e Initial load duke parents: diff changeset	994 }
a61af66fc99e Initial load duke parents: diff changeset	995 }
a61af66fc99e Initial load duke parents: diff changeset	996 return false;
a61af66fc99e Initial load duke parents: diff changeset	997 }
a61af66fc99e Initial load duke parents: diff changeset	998
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	999 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1000 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	1001 if (length > arrayOopDesc::max_array_length(T_OBJECT)) {
876 1413494da700 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit martin parents: 875 diff changeset	1002 report_java_out_of_memory("Requested array size exceeds VM limit");
5935 a735aec54ea4 7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02 sspitsyn parents: 4739 diff changeset	1003 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	1004 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	1005 }
a61af66fc99e Initial load duke parents: diff changeset	1006 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1007 Klass* ak = array_klass(n, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1008 KlassHandle h_ak (THREAD, ak);
a61af66fc99e Initial load duke parents: diff changeset	1009 objArrayOop o =
a61af66fc99e Initial load duke parents: diff changeset	1010 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1011 return o;
a61af66fc99e Initial load duke parents: diff changeset	1012 }
a61af66fc99e Initial load duke parents: diff changeset	1013
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1014 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1015 if (TraceFinalizerRegistration) {
a61af66fc99e Initial load duke parents: diff changeset	1016 tty->print("Registered ");
a61af66fc99e Initial load duke parents: diff changeset	1017 i->print_value_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	1018 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i);
a61af66fc99e Initial load duke parents: diff changeset	1019 }
a61af66fc99e Initial load duke parents: diff changeset	1020 instanceHandle h_i(THREAD, i);
a61af66fc99e Initial load duke parents: diff changeset	1021 // Pass the handle as argument, JavaCalls::call expects oop as jobjects
a61af66fc99e Initial load duke parents: diff changeset	1022 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1023 JavaCallArguments args(h_i);
a61af66fc99e Initial load duke parents: diff changeset	1024 methodHandle mh (THREAD, Universe::finalizer_register_method());
a61af66fc99e Initial load duke parents: diff changeset	1025 JavaCalls::call(&result, mh, &args, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1026 return h_i();
a61af66fc99e Initial load duke parents: diff changeset	1027 }
a61af66fc99e Initial load duke parents: diff changeset	1028
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1029 instanceOop InstanceKlass::allocate_instance(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1030 bool has_finalizer_flag = has_finalizer(); // Query before possible GC
a61af66fc99e Initial load duke parents: diff changeset	1031 int size = size_helper(); // Query before forming handle.
a61af66fc99e Initial load duke parents: diff changeset	1032
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1033 KlassHandle h_k(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1034
a61af66fc99e Initial load duke parents: diff changeset	1035 instanceOop i;
a61af66fc99e Initial load duke parents: diff changeset	1036
a61af66fc99e Initial load duke parents: diff changeset	1037 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1038 if (has_finalizer_flag && !RegisterFinalizersAtInit) {
a61af66fc99e Initial load duke parents: diff changeset	1039 i = register_finalizer(i, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1040 }
a61af66fc99e Initial load duke parents: diff changeset	1041 return i;
a61af66fc99e Initial load duke parents: diff changeset	1042 }
a61af66fc99e Initial load duke parents: diff changeset	1043
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1044 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1045 if (is_interface() \|\| is_abstract()) {
a61af66fc99e Initial load duke parents: diff changeset	1046 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1047 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
a61af66fc99e Initial load duke parents: diff changeset	1048 : vmSymbols::java_lang_InstantiationException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1049 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1050 if (this == SystemDictionary::Class_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1051 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1052 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
a61af66fc99e Initial load duke parents: diff changeset	1053 : vmSymbols::java_lang_IllegalAccessException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1054 }
a61af66fc99e Initial load duke parents: diff changeset	1055 }
a61af66fc99e Initial load duke parents: diff changeset	1056
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1057 Klass* InstanceKlass::array_klass_impl(bool or_null, int n, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1058 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1059 return array_klass_impl(this_oop, or_null, n, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1060 }
a61af66fc99e Initial load duke parents: diff changeset	1061
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1062 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1063 if (this_oop->array_klasses() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1064 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1065
a61af66fc99e Initial load duke parents: diff changeset	1066 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1067 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	1068 {
a61af66fc99e Initial load duke parents: diff changeset	1069 // Atomic creation of array_klasses
a61af66fc99e Initial load duke parents: diff changeset	1070 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	1071 MutexLocker ma(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1072
a61af66fc99e Initial load duke parents: diff changeset	1073 // Check if update has already taken place
a61af66fc99e Initial load duke parents: diff changeset	1074 if (this_oop->array_klasses() == NULL) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1075 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1076 this_oop->set_array_klasses(k);
a61af66fc99e Initial load duke parents: diff changeset	1077 }
a61af66fc99e Initial load duke parents: diff changeset	1078 }
a61af66fc99e Initial load duke parents: diff changeset	1079 }
a61af66fc99e Initial load duke parents: diff changeset	1080 // _this will always be set at this point
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1081 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses();
0 a61af66fc99e Initial load duke parents: diff changeset	1082 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	1083 return oak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	1084 }
a61af66fc99e Initial load duke parents: diff changeset	1085 return oak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1086 }
a61af66fc99e Initial load duke parents: diff changeset	1087
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1088 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1089 return array_klass_impl(or_null, 1, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1090 }
a61af66fc99e Initial load duke parents: diff changeset	1091
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1092 void InstanceKlass::call_class_initializer(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1093 instanceKlassHandle ik (THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1094 call_class_initializer_impl(ik, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1095 }
a61af66fc99e Initial load duke parents: diff changeset	1096
a61af66fc99e Initial load duke parents: diff changeset	1097 static int call_class_initializer_impl_counter = 0; // for debugging
a61af66fc99e Initial load duke parents: diff changeset	1098
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1099 Method* InstanceKlass::class_initializer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1100 Method* clinit = find_method(
2334 dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1101 vmSymbols::class_initializer_name(), vmSymbols::void_method_signature());
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1102 if (clinit != NULL && clinit->has_valid_initializer_flags()) {
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1103 return clinit;
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1104 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1105 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1106 }
a61af66fc99e Initial load duke parents: diff changeset	1107
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1108 void InstanceKlass::call_class_initializer_impl(instanceKlassHandle this_oop, TRAPS) {
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1109 if (ReplayCompiles &&
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1110 (ReplaySuppressInitializers == 1 \|\|
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1111 ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1112 // Hide the existence of the initializer for the purpose of replaying the compile
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1113 return;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1114 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1115
0 a61af66fc99e Initial load duke parents: diff changeset	1116 methodHandle h_method(THREAD, this_oop->class_initializer());
a61af66fc99e Initial load duke parents: diff changeset	1117 assert(!this_oop->is_initialized(), "we cannot initialize twice");
a61af66fc99e Initial load duke parents: diff changeset	1118 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	1119 tty->print("%d Initializing ", call_class_initializer_impl_counter++);
a61af66fc99e Initial load duke parents: diff changeset	1120 this_oop->name()->print_value();
a61af66fc99e Initial load duke parents: diff changeset	1121 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop());
a61af66fc99e Initial load duke parents: diff changeset	1122 }
a61af66fc99e Initial load duke parents: diff changeset	1123 if (h_method() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1124 JavaCallArguments args; // No arguments
a61af66fc99e Initial load duke parents: diff changeset	1125 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1126 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args)
a61af66fc99e Initial load duke parents: diff changeset	1127 }
a61af66fc99e Initial load duke parents: diff changeset	1128 }
a61af66fc99e Initial load duke parents: diff changeset	1129
a61af66fc99e Initial load duke parents: diff changeset	1130
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1131 void InstanceKlass::mask_for(methodHandle method, int bci,
0 a61af66fc99e Initial load duke parents: diff changeset	1132 InterpreterOopMap* entry_for) {
a61af66fc99e Initial load duke parents: diff changeset	1133 // Dirty read, then double-check under a lock.
a61af66fc99e Initial load duke parents: diff changeset	1134 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1135 // Otherwise, allocate a new one.
a61af66fc99e Initial load duke parents: diff changeset	1136 MutexLocker x(OopMapCacheAlloc_lock);
a61af66fc99e Initial load duke parents: diff changeset	1137 // First time use. Allocate a cache in C heap
a61af66fc99e Initial load duke parents: diff changeset	1138 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1139 _oop_map_cache = new OopMapCache();
a61af66fc99e Initial load duke parents: diff changeset	1140 }
a61af66fc99e Initial load duke parents: diff changeset	1141 }
a61af66fc99e Initial load duke parents: diff changeset	1142 // _oop_map_cache is constant after init; lookup below does is own locking.
a61af66fc99e Initial load duke parents: diff changeset	1143 _oop_map_cache->lookup(method, bci, entry_for);
a61af66fc99e Initial load duke parents: diff changeset	1144 }
a61af66fc99e Initial load duke parents: diff changeset	1145
a61af66fc99e Initial load duke parents: diff changeset	1146
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1147 bool InstanceKlass::find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1148 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1149 Symbol* f_name = fs.name();
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1150 Symbol* f_sig = fs.signature();
0 a61af66fc99e Initial load duke parents: diff changeset	1151 if (f_name == name && f_sig == sig) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1152 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1153 return true;
a61af66fc99e Initial load duke parents: diff changeset	1154 }
a61af66fc99e Initial load duke parents: diff changeset	1155 }
a61af66fc99e Initial load duke parents: diff changeset	1156 return false;
a61af66fc99e Initial load duke parents: diff changeset	1157 }
a61af66fc99e Initial load duke parents: diff changeset	1158
a61af66fc99e Initial load duke parents: diff changeset	1159
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1160 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1161 const int n = local_interfaces()->length();
a61af66fc99e Initial load duke parents: diff changeset	1162 for (int i = 0; i < n; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1163 Klass* intf1 = local_interfaces()->at(i);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1164 assert(intf1->is_interface(), "just checking type");
0 a61af66fc99e Initial load duke parents: diff changeset	1165 // search for field in current interface
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1166 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1167 assert(fd->is_static(), "interface field must be static");
a61af66fc99e Initial load duke parents: diff changeset	1168 return intf1;
a61af66fc99e Initial load duke parents: diff changeset	1169 }
a61af66fc99e Initial load duke parents: diff changeset	1170 // search for field in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1171 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1172 if (intf2 != NULL) return intf2;
a61af66fc99e Initial load duke parents: diff changeset	1173 }
a61af66fc99e Initial load duke parents: diff changeset	1174 // otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1175 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1176 }
a61af66fc99e Initial load duke parents: diff changeset	1177
a61af66fc99e Initial load duke parents: diff changeset	1178
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1179 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1180 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1181 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1182 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1183 return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1184 }
a61af66fc99e Initial load duke parents: diff changeset	1185 // 2) search for field recursively in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1186 { Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1187 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1188 }
a61af66fc99e Initial load duke parents: diff changeset	1189 // 3) apply field lookup recursively if superclass exists
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1190 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1191 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1192 }
a61af66fc99e Initial load duke parents: diff changeset	1193 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1194 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1195 }
a61af66fc99e Initial load duke parents: diff changeset	1196
a61af66fc99e Initial load duke parents: diff changeset	1197
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1198 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1199 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1200 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1201 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1202 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1203 }
a61af66fc99e Initial load duke parents: diff changeset	1204 // 2) search for field recursively in direct superinterfaces
a61af66fc99e Initial load duke parents: diff changeset	1205 if (is_static) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1206 Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1207 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1208 }
a61af66fc99e Initial load duke parents: diff changeset	1209 // 3) apply field lookup recursively if superclass exists
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1210 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1211 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1212 }
a61af66fc99e Initial load duke parents: diff changeset	1213 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1214 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1215 }
a61af66fc99e Initial load duke parents: diff changeset	1216
a61af66fc99e Initial load duke parents: diff changeset	1217
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1218 bool InstanceKlass::find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1219 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1220 if (fs.offset() == offset) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1221 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1222 if (fd->is_static() == is_static) return true;
a61af66fc99e Initial load duke parents: diff changeset	1223 }
a61af66fc99e Initial load duke parents: diff changeset	1224 }
a61af66fc99e Initial load duke parents: diff changeset	1225 return false;
a61af66fc99e Initial load duke parents: diff changeset	1226 }
a61af66fc99e Initial load duke parents: diff changeset	1227
a61af66fc99e Initial load duke parents: diff changeset	1228
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1229 bool InstanceKlass::find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1230 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1231 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1232 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1233 return true;
a61af66fc99e Initial load duke parents: diff changeset	1234 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1235 klass = klass->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1236 }
a61af66fc99e Initial load duke parents: diff changeset	1237 return false;
a61af66fc99e Initial load duke parents: diff changeset	1238 }
a61af66fc99e Initial load duke parents: diff changeset	1239
a61af66fc99e Initial load duke parents: diff changeset	1240
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1241 void InstanceKlass::methods_do(void f(Method* method)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1242 int len = methods()->length();
a61af66fc99e Initial load duke parents: diff changeset	1243 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1244 Method* m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1245 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1246 f(m);
a61af66fc99e Initial load duke parents: diff changeset	1247 }
a61af66fc99e Initial load duke parents: diff changeset	1248 }
a61af66fc99e Initial load duke parents: diff changeset	1249
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1250
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1251 void InstanceKlass::do_local_static_fields(FieldClosure* cl) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1252 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1253 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1254 fieldDescriptor fd;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1255 fd.initialize(this, fs.index());
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1256 cl->do_field(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1257 }
0 a61af66fc99e Initial load duke parents: diff changeset	1258 }
a61af66fc99e Initial load duke parents: diff changeset	1259 }
a61af66fc99e Initial load duke parents: diff changeset	1260
a61af66fc99e Initial load duke parents: diff changeset	1261
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1262 void InstanceKlass::do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1263 instanceKlassHandle h_this(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1264 do_local_static_fields_impl(h_this, f, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	1265 }
a61af66fc99e Initial load duke parents: diff changeset	1266
a61af66fc99e Initial load duke parents: diff changeset	1267
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1268 void InstanceKlass::do_local_static_fields_impl(instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1269 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1270 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1271 fieldDescriptor fd;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1272 fd.initialize(this_oop(), fs.index());
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1273 f(&fd, CHECK);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1274 }
0 a61af66fc99e Initial load duke parents: diff changeset	1275 }
a61af66fc99e Initial load duke parents: diff changeset	1276 }
a61af66fc99e Initial load duke parents: diff changeset	1277
a61af66fc99e Initial load duke parents: diff changeset	1278
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1279 static int compare_fields_by_offset(int* a, int* b) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1280 return a[0] - b[0];
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1281 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1282
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1283 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1284 InstanceKlass* super = superklass();
0 a61af66fc99e Initial load duke parents: diff changeset	1285 if (super != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1286 super->do_nonstatic_fields(cl);
a61af66fc99e Initial load duke parents: diff changeset	1287 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1288 fieldDescriptor fd;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1289 int length = java_fields_count();
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1290 // In DebugInfo nonstatic fields are sorted by offset.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1291 int* fields_sorted = NEW_C_HEAP_ARRAY(int, 2*(length+1), mtClass);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1292 int j = 0;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1293 for (int i = 0; i < length; i += 1) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1294 fd.initialize(this, i);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1295 if (!fd.is_static()) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1296 fields_sorted[j + 0] = fd.offset();
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1297 fields_sorted[j + 1] = i;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1298 j += 2;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1299 }
0 a61af66fc99e Initial load duke parents: diff changeset	1300 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1301 if (j > 0) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1302 length = j;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1303 // _sort_Fn is defined in growableArray.hpp.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1304 qsort(fields_sorted, length/2, 2*sizeof(int), (_sort_Fn)compare_fields_by_offset);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1305 for (int i = 0; i < length; i += 2) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1306 fd.initialize(this, fields_sorted[i + 1]);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1307 assert(!fd.is_static() && fd.offset() == fields_sorted[i], "only nonstatic fields");
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1308 cl->do_field(&fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1309 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1310 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1311 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1312 }
a61af66fc99e Initial load duke parents: diff changeset	1313
a61af66fc99e Initial load duke parents: diff changeset	1314
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1315 void InstanceKlass::array_klasses_do(void f(Klass* k, TRAPS), TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1316 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1317 ArrayKlass::cast(array_klasses())->array_klasses_do(f, THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1318 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1319
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1320 void InstanceKlass::array_klasses_do(void f(Klass* k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1321 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1322 ArrayKlass::cast(array_klasses())->array_klasses_do(f);
0 a61af66fc99e Initial load duke parents: diff changeset	1323 }
a61af66fc99e Initial load duke parents: diff changeset	1324
a61af66fc99e Initial load duke parents: diff changeset	1325 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1326 static int linear_search(Array<Method> methods, Symbol* name, Symbol* signature) {
0 a61af66fc99e Initial load duke parents: diff changeset	1327 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1328 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1329 Method* m = methods->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1330 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1331 if (m->signature() == signature && m->name() == name) {
a61af66fc99e Initial load duke parents: diff changeset	1332 return index;
a61af66fc99e Initial load duke parents: diff changeset	1333 }
a61af66fc99e Initial load duke parents: diff changeset	1334 }
a61af66fc99e Initial load duke parents: diff changeset	1335 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1336 }
a61af66fc99e Initial load duke parents: diff changeset	1337 #endif
a61af66fc99e Initial load duke parents: diff changeset	1338
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1339 static int binary_search(Array<Method> methods, Symbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	1340 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1341 // methods are sorted, so do binary search
a61af66fc99e Initial load duke parents: diff changeset	1342 int l = 0;
a61af66fc99e Initial load duke parents: diff changeset	1343 int h = len - 1;
a61af66fc99e Initial load duke parents: diff changeset	1344 while (l <= h) {
a61af66fc99e Initial load duke parents: diff changeset	1345 int mid = (l + h) >> 1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1346 Method* m = methods->at(mid);
0 a61af66fc99e Initial load duke parents: diff changeset	1347 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1348 int res = m->name()->fast_compare(name);
a61af66fc99e Initial load duke parents: diff changeset	1349 if (res == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1350 return mid;
0 a61af66fc99e Initial load duke parents: diff changeset	1351 } else if (res < 0) {
a61af66fc99e Initial load duke parents: diff changeset	1352 l = mid + 1;
a61af66fc99e Initial load duke parents: diff changeset	1353 } else {
a61af66fc99e Initial load duke parents: diff changeset	1354 h = mid - 1;
a61af66fc99e Initial load duke parents: diff changeset	1355 }
a61af66fc99e Initial load duke parents: diff changeset	1356 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1357 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1358 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1359
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1360 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1361 return InstanceKlass::find_method(methods(), name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1362 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1363
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1364 Method* InstanceKlass::find_method(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1365 Array<Method> methods, Symbol* name, Symbol* signature) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1366 int hit = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1367 if (hit != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1368 Method* m = methods->at(hit);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1369 // Do linear search to find matching signature. First, quick check
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1370 // for common case
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1371 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1372 // search downwards through overloaded methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1373 int i;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1374 for (i = hit - 1; i >= 0; --i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1375 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1376 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1377 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1378 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1379 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1380 // search upwards
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1381 for (i = hit + 1; i < methods->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1382 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1383 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1384 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1385 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1386 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1387 // not found
0 a61af66fc99e Initial load duke parents: diff changeset	1388 #ifdef ASSERT
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1389 int index = linear_search(methods, name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1390 assert(index == -1, err_msg("binary search should have found entry %d", index));
0 a61af66fc99e Initial load duke parents: diff changeset	1391 #endif
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1392 }
0 a61af66fc99e Initial load duke parents: diff changeset	1393 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1394 }
a61af66fc99e Initial load duke parents: diff changeset	1395
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1396 int InstanceKlass::find_method_by_name(Symbol* name, int* end) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1397 return find_method_by_name(methods(), name, end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1398 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1399
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1400 int InstanceKlass::find_method_by_name(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1401 Array<Method> methods, Symbol* name, int* end_ptr) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1402 assert(end_ptr != NULL, "just checking");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1403 int start = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1404 int end = start + 1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1405 if (start != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1406 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1407 while (end < methods->length() && (methods->at(end))->name() == name) ++end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1408 *end_ptr = end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1409 return start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1410 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1411 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1412 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1413
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1414 Method* InstanceKlass::uncached_lookup_method(Symbol* name, Symbol* signature) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1415 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1416 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1417 Method* method = InstanceKlass::cast(klass)->find_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1418 if (method != NULL) return method;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1419 klass = InstanceKlass::cast(klass)->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1420 }
a61af66fc99e Initial load duke parents: diff changeset	1421 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1422 }
a61af66fc99e Initial load duke parents: diff changeset	1423
a61af66fc99e Initial load duke parents: diff changeset	1424 // lookup a method in all the interfaces that this class implements
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1425 Method* InstanceKlass::lookup_method_in_all_interfaces(Symbol* name,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	1426 Symbol* signature) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1427 Array<Klass> all_ifs = transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	1428 int num_ifs = all_ifs->length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1429 InstanceKlass *ik = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1430 for (int i = 0; i < num_ifs; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1431 ik = InstanceKlass::cast(all_ifs->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1432 Method* m = ik->lookup_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1433 if (m != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1434 return m;
a61af66fc99e Initial load duke parents: diff changeset	1435 }
a61af66fc99e Initial load duke parents: diff changeset	1436 }
a61af66fc99e Initial load duke parents: diff changeset	1437 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1438 }
a61af66fc99e Initial load duke parents: diff changeset	1439
a61af66fc99e Initial load duke parents: diff changeset	1440 /* jni_id_for_impl for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1441 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1442 MutexLocker ml(JfieldIdCreation_lock);
a61af66fc99e Initial load duke parents: diff changeset	1443 // Retry lookup after we got the lock
a61af66fc99e Initial load duke parents: diff changeset	1444 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1445 if (probe == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1446 // Slow case, allocate new static field identifier
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1447 probe = new JNIid(this_oop(), offset, this_oop->jni_ids());
0 a61af66fc99e Initial load duke parents: diff changeset	1448 this_oop->set_jni_ids(probe);
a61af66fc99e Initial load duke parents: diff changeset	1449 }
a61af66fc99e Initial load duke parents: diff changeset	1450 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1451 }
a61af66fc99e Initial load duke parents: diff changeset	1452
a61af66fc99e Initial load duke parents: diff changeset	1453
a61af66fc99e Initial load duke parents: diff changeset	1454 /* jni_id_for for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1455 JNIid* InstanceKlass::jni_id_for(int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1456 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1457 if (probe == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1458 probe = jni_id_for_impl(this, offset);
0 a61af66fc99e Initial load duke parents: diff changeset	1459 }
a61af66fc99e Initial load duke parents: diff changeset	1460 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1461 }
a61af66fc99e Initial load duke parents: diff changeset	1462
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1463 u2 InstanceKlass::enclosing_method_data(int offset) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1464 Array<jushort>* inner_class_list = inner_classes();
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1465 if (inner_class_list == NULL) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1466 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1467 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1468 int length = inner_class_list->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1469 if (length % inner_class_next_offset == 0) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1470 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1471 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1472 int index = length - enclosing_method_attribute_size;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1473 assert(offset < enclosing_method_attribute_size, "invalid offset");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1474 return inner_class_list->at(index + offset);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1475 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1476 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1477
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1478 void InstanceKlass::set_enclosing_method_indices(u2 class_index,
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1479 u2 method_index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1480 Array<jushort>* inner_class_list = inner_classes();
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1481 assert (inner_class_list != NULL, "_inner_classes list is not set up");
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1482 int length = inner_class_list->length();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1483 if (length % inner_class_next_offset == enclosing_method_attribute_size) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1484 int index = length - enclosing_method_attribute_size;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1485 inner_class_list->at_put(
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1486 index + enclosing_method_class_index_offset, class_index);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1487 inner_class_list->at_put(
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1488 index + enclosing_method_method_index_offset, method_index);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1489 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1490 }
0 a61af66fc99e Initial load duke parents: diff changeset	1491
a61af66fc99e Initial load duke parents: diff changeset	1492 // Lookup or create a jmethodID.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1493 // This code is called by the VMThread and JavaThreads so the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1494 // locking has to be done very carefully to avoid deadlocks
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1495 // and/or other cache consistency problems.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1496 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1497 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) {
0 a61af66fc99e Initial load duke parents: diff changeset	1498 size_t idnum = (size_t)method_h->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1499 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1500 size_t length = 0;
a61af66fc99e Initial load duke parents: diff changeset	1501 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1502
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1503 // We use a double-check locking idiom here because this cache is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1504 // performance sensitive. In the normal system, this cache only
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1505 // transitions from NULL to non-NULL which is safe because we use
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1506 // release_set_methods_jmethod_ids() to advertise the new cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1507 // A partially constructed cache should never be seen by a racing
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1508 // thread. We also use release_store_ptr() to save a new jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1509 // in the cache so a partially constructed jmethodID should never be
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1510 // seen either. Cache reads of existing jmethodIDs proceed without a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1511 // lock, but cache writes of a new jmethodID requires uniqueness and
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1512 // creation of the cache itself requires no leaks so a lock is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1513 // generally acquired in those two cases.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1514 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1515 // If the RedefineClasses() API has been used, then this cache can
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1516 // grow and we'll have transitions from non-NULL to bigger non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1517 // Cache creation requires no leaks and we require safety between all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1518 // cache accesses and freeing of the old cache so a lock is generally
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1519 // acquired when the RedefineClasses() API has been used.
0 a61af66fc99e Initial load duke parents: diff changeset	1520
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1521 if (jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1522 // the cache already exists
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1523 if (!ik_h->idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1524 // the cache can't grow so we can just get the current values
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1525 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1526 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1527 // cache can grow so we have to be more careful
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1528 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1529 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1530 // we're single threaded or at a safepoint - no locking needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1531 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1532 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1533 MutexLocker ml(JmethodIdCreation_lock);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1534 get_jmethod_id_length_value(jmeths, idnum, &length, &id);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1535 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1536 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1537 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1538 // implied else:
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1539 // we need to allocate a cache so default length and id values are good
0 a61af66fc99e Initial load duke parents: diff changeset	1540
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1541 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1542 length <= idnum \|\| // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1543 id == NULL) { // cache doesn't contain entry
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1544
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1545 // This function can be called by the VMThread so we have to do all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1546 // things that might block on a safepoint before grabbing the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1547 // Otherwise, we can deadlock with the VMThread or have a cache
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1548 // consistency issue. These vars keep track of what we might have
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1549 // to free after the lock is dropped.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1550 jmethodID to_dealloc_id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1551 jmethodID* to_dealloc_jmeths = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1552
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1553 // may not allocate new_jmeths or use it if we allocate it
0 a61af66fc99e Initial load duke parents: diff changeset	1554 jmethodID* new_jmeths = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1555 if (length <= idnum) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1556 // allocate a new cache that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1557 size_t size = MAX2(idnum+1, (size_t)ik_h->idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1558 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1559 memset(new_jmeths, 0, (size+1)*sizeof(jmethodID));
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1560 // cache size is stored in element[0], other elements offset by one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1561 new_jmeths[0] = (jmethodID)size;
0 a61af66fc99e Initial load duke parents: diff changeset	1562 }
a61af66fc99e Initial load duke parents: diff changeset	1563
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1564 // allocate a new jmethodID that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1565 jmethodID new_id = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1566 if (method_h->is_old() && !method_h->is_obsolete()) {
a61af66fc99e Initial load duke parents: diff changeset	1567 // The method passed in is old (but not obsolete), we need to use the current version
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1568 Method* current_method = ik_h->method_with_idnum((int)idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	1569 assert(current_method != NULL, "old and but not obsolete, so should exist");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1570 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method);
0 a61af66fc99e Initial load duke parents: diff changeset	1571 } else {
a61af66fc99e Initial load duke parents: diff changeset	1572 // It is the current version of the method or an obsolete method,
a61af66fc99e Initial load duke parents: diff changeset	1573 // use the version passed in
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1574 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h());
0 a61af66fc99e Initial load duke parents: diff changeset	1575 }
a61af66fc99e Initial load duke parents: diff changeset	1576
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1577 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1578 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1579 // we're single threaded or at a safepoint - no locking needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1580 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1581 &to_dealloc_id, &to_dealloc_jmeths);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1582 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	1583 MutexLocker ml(JmethodIdCreation_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1584 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1585 &to_dealloc_id, &to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1586 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1587
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1588 // The lock has been dropped so we can free resources.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1589 // Free up either the old cache or the new cache if we allocated one.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1590 if (to_dealloc_jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1591 FreeHeap(to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1592 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1593 // free up the new ID since it wasn't needed
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1594 if (to_dealloc_id != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1595 Method::destroy_jmethod_id(ik_h->class_loader_data(), to_dealloc_id);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1596 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1597 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1598 return id;
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1599 }
0 a61af66fc99e Initial load duke parents: diff changeset	1600
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1601
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1602 // Common code to fetch the jmethodID from the cache or update the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1603 // cache with the new jmethodID. This function should never do anything
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1604 // that causes the caller to go to a safepoint or we can deadlock with
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1605 // the VMThread or have cache consistency issues.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1606 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1607 jmethodID InstanceKlass::get_jmethod_id_fetch_or_update(
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1608 instanceKlassHandle ik_h, size_t idnum, jmethodID new_id,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1609 jmethodID* new_jmeths, jmethodID* to_dealloc_id_p,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1610 jmethodID** to_dealloc_jmeths_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1611 assert(new_id != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1612 assert(to_dealloc_id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1613 assert(to_dealloc_jmeths_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1614 assert(Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1615 SafepointSynchronize::is_at_safepoint() \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1616 JmethodIdCreation_lock->owned_by_self(), "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1617
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1618 // reacquire the cache - we are locked, single threaded or at a safepoint
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1619 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1620 jmethodID id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1621 size_t length = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	1622
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1623 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1624 (length = (size_t)jmeths[0]) <= idnum) { // cache is too short
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1625 if (jmeths != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1626 // copy any existing entries from the old cache
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1627 for (size_t index = 0; index < length; index++) {
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1628 new_jmeths[index+1] = jmeths[index+1];
0 a61af66fc99e Initial load duke parents: diff changeset	1629 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1630 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1631 }
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1632 ik_h->release_set_methods_jmethod_ids(jmeths = new_jmeths);
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1633 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1634 // fetch jmethodID (if any) from the existing cache
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1635 id = jmeths[idnum+1];
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1636 *to_dealloc_jmeths_p = new_jmeths; // save new cache for later delete
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1637 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1638 if (id == NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1639 // No matching jmethodID in the existing cache or we have a new
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1640 // cache or we just grew the cache. This cache write is done here
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1641 // by the first thread to win the foot race because a jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1642 // needs to be unique once it is generally available.
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1643 id = new_id;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1644
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1645 // The jmethodID cache can be read while unlocked so we have to
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1646 // make sure the new jmethodID is complete before installing it
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1647 // in the cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1648 OrderAccess::release_store_ptr(&jmeths[idnum+1], id);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1649 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1650 *to_dealloc_id_p = new_id; // save new id for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1651 }
a61af66fc99e Initial load duke parents: diff changeset	1652 return id;
a61af66fc99e Initial load duke parents: diff changeset	1653 }
a61af66fc99e Initial load duke parents: diff changeset	1654
a61af66fc99e Initial load duke parents: diff changeset	1655
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1656 // Common code to get the jmethodID cache length and the jmethodID
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1657 // value at index idnum if there is one.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1658 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1659 void InstanceKlass::get_jmethod_id_length_value(jmethodID* cache,
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1660 size_t idnum, size_t length_p, jmethodID id_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1661 assert(cache != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1662 assert(length_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1663 assert(id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1664
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1665 // cache size is stored in element[0], other elements offset by one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1666 *length_p = (size_t)cache[0];
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1667 if (*length_p <= idnum) { // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1668 *id_p = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1669 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1670 *id_p = cache[idnum+1]; // fetch jmethodID (if any)
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1671 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1672 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1673
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1674
0 a61af66fc99e Initial load duke parents: diff changeset	1675 // Lookup a jmethodID, NULL if not found. Do no blocking, no allocations, no handles
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1676 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) {
0 a61af66fc99e Initial load duke parents: diff changeset	1677 size_t idnum = (size_t)method->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1678 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1679 size_t length; // length assigned as debugging crumb
a61af66fc99e Initial load duke parents: diff changeset	1680 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1681 if (jmeths != NULL && // If there is a cache
0 a61af66fc99e Initial load duke parents: diff changeset	1682 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough,
a61af66fc99e Initial load duke parents: diff changeset	1683 id = jmeths[idnum+1]; // Look up the id (may be NULL)
a61af66fc99e Initial load duke parents: diff changeset	1684 }
a61af66fc99e Initial load duke parents: diff changeset	1685 return id;
a61af66fc99e Initial load duke parents: diff changeset	1686 }
a61af66fc99e Initial load duke parents: diff changeset	1687
a61af66fc99e Initial load duke parents: diff changeset	1688
a61af66fc99e Initial load duke parents: diff changeset	1689 // Cache an itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1690 void InstanceKlass::set_cached_itable_index(size_t idnum, int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	1691 int* indices = methods_cached_itable_indices_acquire();
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1692 int* to_dealloc_indices = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1693
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1694 // We use a double-check locking idiom here because this cache is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1695 // performance sensitive. In the normal system, this cache only
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1696 // transitions from NULL to non-NULL which is safe because we use
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1697 // release_set_methods_cached_itable_indices() to advertise the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1698 // new cache. A partially constructed cache should never be seen
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1699 // by a racing thread. Cache reads and writes proceed without a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1700 // lock, but creation of the cache itself requires no leaks so a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1701 // lock is generally acquired in that case.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1702 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1703 // If the RedefineClasses() API has been used, then this cache can
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1704 // grow and we'll have transitions from non-NULL to bigger non-NULL.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1705 // Cache creation requires no leaks and we require safety between all
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1706 // cache accesses and freeing of the old cache so a lock is generally
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1707 // acquired when the RedefineClasses() API has been used.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1708
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1709 if (indices == NULL \|\| idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1710 // we need a cache or the cache can grow
0 a61af66fc99e Initial load duke parents: diff changeset	1711 MutexLocker ml(JNICachedItableIndex_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1712 // reacquire the cache to see if another thread already did the work
0 a61af66fc99e Initial load duke parents: diff changeset	1713 indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1714 size_t length = 0;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1715 // cache size is stored in element[0], other elements offset by one
0 a61af66fc99e Initial load duke parents: diff changeset	1716 if (indices == NULL \|\| (length = (size_t)indices[0]) <= idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1717 size_t size = MAX2(idnum+1, (size_t)idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1718 int* new_indices = NEW_C_HEAP_ARRAY(int, size+1, mtClass);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1719 new_indices[0] = (int)size;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1720 // copy any existing entries
0 a61af66fc99e Initial load duke parents: diff changeset	1721 size_t i;
a61af66fc99e Initial load duke parents: diff changeset	1722 for (i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1723 new_indices[i+1] = indices[i+1];
a61af66fc99e Initial load duke parents: diff changeset	1724 }
a61af66fc99e Initial load duke parents: diff changeset	1725 // Set all the rest to -1
a61af66fc99e Initial load duke parents: diff changeset	1726 for (i = length; i < size; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1727 new_indices[i+1] = -1;
a61af66fc99e Initial load duke parents: diff changeset	1728 }
a61af66fc99e Initial load duke parents: diff changeset	1729 if (indices != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1730 // We have an old cache to delete so save it for after we
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1731 // drop the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1732 to_dealloc_indices = indices;
0 a61af66fc99e Initial load duke parents: diff changeset	1733 }
a61af66fc99e Initial load duke parents: diff changeset	1734 release_set_methods_cached_itable_indices(indices = new_indices);
a61af66fc99e Initial load duke parents: diff changeset	1735 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1736
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1737 if (idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1738 // this cache can grow so we have to write to it safely
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1739 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1740 }
0 a61af66fc99e Initial load duke parents: diff changeset	1741 } else {
a61af66fc99e Initial load duke parents: diff changeset	1742 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
a61af66fc99e Initial load duke parents: diff changeset	1743 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1744
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1745 if (!idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1746 // The cache cannot grow and this JNI itable index value does not
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1747 // have to be unique like a jmethodID. If there is a race to set it,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1748 // it doesn't matter.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1749 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1750 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1751
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1752 if (to_dealloc_indices != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1753 // we allocated a new cache so free the old one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1754 FreeHeap(to_dealloc_indices);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1755 }
0 a61af66fc99e Initial load duke parents: diff changeset	1756 }
a61af66fc99e Initial load duke parents: diff changeset	1757
a61af66fc99e Initial load duke parents: diff changeset	1758
a61af66fc99e Initial load duke parents: diff changeset	1759 // Retrieve a cached itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1760 int InstanceKlass::cached_itable_index(size_t idnum) {
0 a61af66fc99e Initial load duke parents: diff changeset	1761 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1762 if (indices != NULL && ((size_t)indices[0]) > idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1763 // indices exist and are long enough, retrieve possible cached
a61af66fc99e Initial load duke parents: diff changeset	1764 return indices[idnum+1];
a61af66fc99e Initial load duke parents: diff changeset	1765 }
a61af66fc99e Initial load duke parents: diff changeset	1766 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1767 }
a61af66fc99e Initial load duke parents: diff changeset	1768
a61af66fc99e Initial load duke parents: diff changeset	1769
a61af66fc99e Initial load duke parents: diff changeset	1770 //
a61af66fc99e Initial load duke parents: diff changeset	1771 // Walk the list of dependent nmethods searching for nmethods which
3852 fdb992d83a87 7071653: JSR 292: call site change notification should be pushed not pulled twisti parents: 3748 diff changeset	1772 // are dependent on the changes that were passed in and mark them for
0 a61af66fc99e Initial load duke parents: diff changeset	1773 // deoptimization. Returns the number of nmethods found.
a61af66fc99e Initial load duke parents: diff changeset	1774 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1775 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) {
0 a61af66fc99e Initial load duke parents: diff changeset	1776 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1777 int found = 0;
a61af66fc99e Initial load duke parents: diff changeset	1778 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1779 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1780 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1781 // since dependencies aren't removed until an nmethod becomes a zombie,
a61af66fc99e Initial load duke parents: diff changeset	1782 // the dependency list may contain nmethods which aren't alive.
a61af66fc99e Initial load duke parents: diff changeset	1783 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) {
a61af66fc99e Initial load duke parents: diff changeset	1784 if (TraceDependencies) {
a61af66fc99e Initial load duke parents: diff changeset	1785 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1786 tty->print_cr("Marked for deoptimization");
a61af66fc99e Initial load duke parents: diff changeset	1787 tty->print_cr(" context = %s", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1788 changes.print();
a61af66fc99e Initial load duke parents: diff changeset	1789 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1790 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1791 }
a61af66fc99e Initial load duke parents: diff changeset	1792 nm->mark_for_deoptimization();
a61af66fc99e Initial load duke parents: diff changeset	1793 found++;
a61af66fc99e Initial load duke parents: diff changeset	1794 }
a61af66fc99e Initial load duke parents: diff changeset	1795 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1796 }
a61af66fc99e Initial load duke parents: diff changeset	1797 return found;
a61af66fc99e Initial load duke parents: diff changeset	1798 }
a61af66fc99e Initial load duke parents: diff changeset	1799
a61af66fc99e Initial load duke parents: diff changeset	1800
a61af66fc99e Initial load duke parents: diff changeset	1801 //
a61af66fc99e Initial load duke parents: diff changeset	1802 // Add an nmethodBucket to the list of dependencies for this nmethod.
a61af66fc99e Initial load duke parents: diff changeset	1803 // It's possible that an nmethod has multiple dependencies on this klass
a61af66fc99e Initial load duke parents: diff changeset	1804 // so a count is kept for each bucket to guarantee that creation and
a61af66fc99e Initial load duke parents: diff changeset	1805 // deletion of dependencies is consistent.
a61af66fc99e Initial load duke parents: diff changeset	1806 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1807 void InstanceKlass::add_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1808 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1809 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1810 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1811 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1812 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1813 b->increment();
a61af66fc99e Initial load duke parents: diff changeset	1814 return;
a61af66fc99e Initial load duke parents: diff changeset	1815 }
a61af66fc99e Initial load duke parents: diff changeset	1816 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1817 }
a61af66fc99e Initial load duke parents: diff changeset	1818 _dependencies = new nmethodBucket(nm, _dependencies);
a61af66fc99e Initial load duke parents: diff changeset	1819 }
a61af66fc99e Initial load duke parents: diff changeset	1820
a61af66fc99e Initial load duke parents: diff changeset	1821
a61af66fc99e Initial load duke parents: diff changeset	1822 //
a61af66fc99e Initial load duke parents: diff changeset	1823 // Decrement count of the nmethod in the dependency list and remove
a61af66fc99e Initial load duke parents: diff changeset	1824 // the bucket competely when the count goes to 0. This method must
a61af66fc99e Initial load duke parents: diff changeset	1825 // find a corresponding bucket otherwise there's a bug in the
a61af66fc99e Initial load duke parents: diff changeset	1826 // recording of dependecies.
a61af66fc99e Initial load duke parents: diff changeset	1827 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1828 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1829 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1830 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1831 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1832 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1833 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1834 if (b->decrement() == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1835 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1836 _dependencies = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1837 } else {
a61af66fc99e Initial load duke parents: diff changeset	1838 last->set_next(b->next());
a61af66fc99e Initial load duke parents: diff changeset	1839 }
a61af66fc99e Initial load duke parents: diff changeset	1840 delete b;
a61af66fc99e Initial load duke parents: diff changeset	1841 }
a61af66fc99e Initial load duke parents: diff changeset	1842 return;
a61af66fc99e Initial load duke parents: diff changeset	1843 }
a61af66fc99e Initial load duke parents: diff changeset	1844 last = b;
a61af66fc99e Initial load duke parents: diff changeset	1845 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1846 }
a61af66fc99e Initial load duke parents: diff changeset	1847 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1848 tty->print_cr("### %s can't find dependent nmethod:", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1849 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1850 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1851 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1852 }
a61af66fc99e Initial load duke parents: diff changeset	1853
a61af66fc99e Initial load duke parents: diff changeset	1854
a61af66fc99e Initial load duke parents: diff changeset	1855 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1856 void InstanceKlass::print_dependent_nmethods(bool verbose) {
0 a61af66fc99e Initial load duke parents: diff changeset	1857 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1858 int idx = 0;
a61af66fc99e Initial load duke parents: diff changeset	1859 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1860 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1861 tty->print("[%d] count=%d { ", idx++, b->count());
a61af66fc99e Initial load duke parents: diff changeset	1862 if (!verbose) {
a61af66fc99e Initial load duke parents: diff changeset	1863 nm->print_on(tty, "nmethod");
a61af66fc99e Initial load duke parents: diff changeset	1864 tty->print_cr(" } ");
a61af66fc99e Initial load duke parents: diff changeset	1865 } else {
a61af66fc99e Initial load duke parents: diff changeset	1866 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1867 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1868 tty->print_cr("--- } ");
a61af66fc99e Initial load duke parents: diff changeset	1869 }
a61af66fc99e Initial load duke parents: diff changeset	1870 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1871 }
a61af66fc99e Initial load duke parents: diff changeset	1872 }
a61af66fc99e Initial load duke parents: diff changeset	1873
a61af66fc99e Initial load duke parents: diff changeset	1874
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1875 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1876 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1877 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1878 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1879 return true;
a61af66fc99e Initial load duke parents: diff changeset	1880 }
a61af66fc99e Initial load duke parents: diff changeset	1881 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1882 }
a61af66fc99e Initial load duke parents: diff changeset	1883 return false;
a61af66fc99e Initial load duke parents: diff changeset	1884 }
a61af66fc99e Initial load duke parents: diff changeset	1885 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1886
a61af66fc99e Initial load duke parents: diff changeset	1887
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1888 // Garbage collection
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1889
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1890 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1891 template <class T> void assert_is_in(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1892 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1893 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1894 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1895 assert(Universe::heap()->is_in(o), "should be in heap");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1896 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1897 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1898 template <class T> void assert_is_in_closed_subset(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1899 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1900 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1901 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1902 assert(Universe::heap()->is_in_closed_subset(o),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1903 err_msg("should be in closed *p " INTPTR_FORMAT " " INTPTR_FORMAT, (address)p, (address)o));
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1904 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1905 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1906 template <class T> void assert_is_in_reserved(T *p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1907 T heap_oop = oopDesc::load_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1908 if (!oopDesc::is_null(heap_oop)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1909 oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1910 assert(Universe::heap()->is_in_reserved(o), "should be in reserved");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1911 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1912 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1913 template <class T> void assert_nothing(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1914
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1915 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1916 template <class T> void assert_is_in(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1917 template <class T> void assert_is_in_closed_subset(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1918 template <class T> void assert_is_in_reserved(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1919 template <class T> void assert_nothing(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1920 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1921
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1922 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1923 // Macros that iterate over areas of oops which are specialized on type of
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1924 // oop pointer either narrow or wide, depending on UseCompressedOops
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1925 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1926 // Parameters are:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1927 // T - type of oop to point to (either oop or narrowOop)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1928 // start_p - starting pointer for region to iterate over
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1929 // count - number of oops or narrowOops to iterate over
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1930 // do_oop - action to perform on each oop (it's arbitrary C code which
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1931 // makes it more efficient to put in a macro rather than making
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1932 // it a template function)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1933 // assert_fn - assert function which is template function because performance
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1934 // doesn't matter when enabled.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1935 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1936 T, start_p, count, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1937 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1938 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1939 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1940 T* const end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1941 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1942 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1943 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1944 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1945 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1946 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1947
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1948 #define InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1949 T, start_p, count, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1950 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1951 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1952 T* const start = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1953 T* p = start + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1954 while (start < p) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1955 --p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1956 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1957 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1958 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1959 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1960
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1961 #define InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1962 T, start_p, count, low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1963 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1964 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1965 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1966 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1967 assert(mask_bits((intptr_t)l, sizeof(T)-1) == 0 && \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1968 mask_bits((intptr_t)h, sizeof(T)-1) == 0, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1969 "bounded region must be properly aligned"); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1970 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1971 T* end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1972 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1973 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1974 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1975 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1976 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1977 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1978 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1979 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1980
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1981
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1982 // The following macros call specialized macros, passing either oop or
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1983 // narrowOop as the specialization type. These test the UseCompressedOops
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1984 // flag.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1985 #define InstanceKlass_OOP_MAP_ITERATE(obj, do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1986 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1987 /* Compute oopmap block range. The common case \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1988 is nonstatic_oop_map_size == 1. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1989 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1990 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1991 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1992 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1993 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1994 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1995 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1996 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1997 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1998 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1999 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2000 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2001 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2002 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2003 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2004 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2005 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2006 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2007
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2008 #define InstanceKlass_OOP_MAP_REVERSE_ITERATE(obj, do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2009 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2010 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2011 OopMapBlock* map = start_map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2012 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2013 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2014 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2015 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2016 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2017 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2018 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2019 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2020 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2021 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2022 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2023 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2024 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2025 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2026 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2027 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2028
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2029 #define InstanceKlass_BOUNDED_OOP_MAP_ITERATE(obj, low, high, do_oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2030 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2031 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2032 /* Compute oopmap block range. The common case is \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2033 nonstatic_oop_map_size == 1, so we accept the \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2034 usually non-existent extra overhead of examining \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2035 all the maps. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2036 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2037 OopMapBlock* const end_map = map + nonstatic_oop_map_count(); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2038 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2039 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2040 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2041 obj->obj_field_addr<narrowOop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2042 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2043 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2044 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2045 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2046 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2047 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2048 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2049 obj->obj_field_addr<oop>(map->offset()), map->count(), \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2050 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2051 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2052 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2053 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2054 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2055 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2056
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2057 void InstanceKlass::oop_follow_contents(oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2058 assert(obj != NULL, "can't follow the content of NULL object");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2059 MarkSweep::follow_klass(obj->klass());
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2060 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2061 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2062 MarkSweep::mark_and_push(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2063 assert_is_in_closed_subset)
0 a61af66fc99e Initial load duke parents: diff changeset	2064 }
a61af66fc99e Initial load duke parents: diff changeset	2065
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2066 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2067 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm,
0 a61af66fc99e Initial load duke parents: diff changeset	2068 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2069 assert(obj != NULL, "can't follow the content of NULL object");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2070 PSParallelCompact::follow_klass(cm, obj->klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2071 // Only mark the header and let the scan of the meta-data mark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2072 // everything else.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2073 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2074 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2075 PSParallelCompact::mark_and_push(cm, p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2076 assert_is_in)
0 a61af66fc99e Initial load duke parents: diff changeset	2077 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2078 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2079
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2080 // closure's do_metadata() method dictates whether the given closure should be
0 a61af66fc99e Initial load duke parents: diff changeset	2081 // applied to the klass ptr in the object header.
a61af66fc99e Initial load duke parents: diff changeset	2082
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2083 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2084 /* Make sure the non-virtual and the virtual versions match. */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2085 assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2086 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2087 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2088
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2089 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2090 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2091 int InstanceKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2092 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2093 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2094 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2095 closure->do_klass##nv_suffix(obj->klass()); \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2096 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2097 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2098 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2099 SpecializationStats:: \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2100 record_do_oop_call##nv_suffix(SpecializationStats::ik); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2101 (closure)->do_oop##nv_suffix(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2102 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2103 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2104 }
a61af66fc99e Initial load duke parents: diff changeset	2105
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2106 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2107 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2108 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2109 int InstanceKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2110 OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2111 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2112 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2113 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2114 closure->do_klass##nv_suffix(obj->klass()); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2115 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2116 /* instance variables */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2117 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2118 obj, \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2119 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2120 (closure)->do_oop##nv_suffix(p), \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2121 assert_is_in_closed_subset) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2122 return size_helper(); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2123 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2124 #endif // INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2125
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2126 #define InstanceKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2127 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2128 int InstanceKlass::oop_oop_iterate##nv_suffix##_m(oop obj, \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2129 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2130 MemRegion mr) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2131 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik);\
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2132 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2133 if (mr.contains(obj)) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2134 closure->do_klass##nv_suffix(obj->klass()); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2135 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2136 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2137 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2138 obj, mr.start(), mr.end(), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2139 (closure)->do_oop##nv_suffix(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2140 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2141 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2142 }
a61af66fc99e Initial load duke parents: diff changeset	2143
a61af66fc99e Initial load duke parents: diff changeset	2144 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2145 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	2146 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DEFN_m)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2147 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN_m)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2148 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2149 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2150 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2151 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2152
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2153 int InstanceKlass::oop_adjust_pointers(oop obj) {
0 a61af66fc99e Initial load duke parents: diff changeset	2154 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2155 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2156 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2157 MarkSweep::adjust_pointer(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2158 assert_is_in)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2159 MarkSweep::adjust_klass(obj->klass());
0 a61af66fc99e Initial load duke parents: diff changeset	2160 return size;
a61af66fc99e Initial load duke parents: diff changeset	2161 }
a61af66fc99e Initial load duke parents: diff changeset	2162
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2163 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2164 void InstanceKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2165 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2166 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2167 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2168 pm->claim_or_forward_depth(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2169 }, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2170 assert_nothing )
0 a61af66fc99e Initial load duke parents: diff changeset	2171 }
a61af66fc99e Initial load duke parents: diff changeset	2172
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2173 int InstanceKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2174 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2175 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2176 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2177 PSParallelCompact::adjust_pointer(p), \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2178 assert_is_in)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2179 obj->update_header(cm);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2180 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	2181 }
a61af66fc99e Initial load duke parents: diff changeset	2182
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2183 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2184
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2185 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2186 assert(is_loader_alive(is_alive), "this klass should be live");
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2187 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2188 if (ClassUnloading) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2189 Klass* impl = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2190 if (impl != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2191 if (!impl->is_loader_alive(is_alive)) {
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2192 // remove this guy
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2193 Klass** klass = adr_implementor();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2194 assert(klass != NULL, "null klass");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2195 if (klass != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2196 *klass = NULL;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2197 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2198 }
0 a61af66fc99e Initial load duke parents: diff changeset	2199 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2200 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2201 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2202 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2203
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2204 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2205 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2206 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2207 if (mdo != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2208 for (ProfileData* data = mdo->first_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2209 mdo->is_valid(data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2210 data = mdo->next_data(data)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2211 data->clean_weak_klass_links(is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2212 }
0 a61af66fc99e Initial load duke parents: diff changeset	2213 }
a61af66fc99e Initial load duke parents: diff changeset	2214 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2215 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2216
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2217
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2218 static void remove_unshareable_in_class(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2219 // remove klass's unshareable info
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2220 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2221 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2222
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2223 void InstanceKlass::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2224 Klass::remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2225 // Unlink the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2226 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2227 unlink_class();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2228 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2229 init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2230
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2231 constants()->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2232
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2233 for (int i = 0; i < methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2234 Method* m = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2235 m->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2236 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2237
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2238 // do array classes also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2239 array_klasses_do(remove_unshareable_in_class);
0 a61af66fc99e Initial load duke parents: diff changeset	2240 }
a61af66fc99e Initial load duke parents: diff changeset	2241
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2242 void restore_unshareable_in_class(Klass* k, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2243 k->restore_unshareable_info(CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	2244 }
a61af66fc99e Initial load duke parents: diff changeset	2245
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2246 void InstanceKlass::restore_unshareable_info(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2247 Klass::restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2248 instanceKlassHandle ik(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2249
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2250 Array<Method> methods = ik->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2251 int num_methods = methods->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2252 for (int index2 = 0; index2 < num_methods; ++index2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2253 methodHandle m(THREAD, methods->at(index2));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2254 m()->link_method(m, CHECK);
6733 fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	2255 // restore method's vtable by calling a virtual function
fa6e618671d7 7195867: NPG: SAJDI tests fail with sun.jvm.hotspot.types.WrongTypeException: No suitable match for type coleenp parents: 6725 diff changeset	2256 m->restore_vtable();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2257 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2258 if (JvmtiExport::has_redefined_a_class()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2259 // Reinitialize vtable because RedefineClasses may have changed some
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2260 // entries in this vtable for super classes so the CDS vtable might
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2261 // point to old or obsolete entries. RedefineClasses doesn't fix up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2262 // vtables in the shared system dictionary, only the main one.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2263 // It also redefines the itable too so fix that too.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2264 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2265 ik->vtable()->initialize_vtable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2266 ik->itable()->initialize_itable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2267 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2268
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2269 // restore constant pool resolved references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2270 ik->constants()->restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2271
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2272 ik->array_klasses_do(restore_unshareable_in_class, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2273 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2274
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2275 static void clear_all_breakpoints(Method* m) {
0 a61af66fc99e Initial load duke parents: diff changeset	2276 m->clear_all_breakpoints();
a61af66fc99e Initial load duke parents: diff changeset	2277 }
a61af66fc99e Initial load duke parents: diff changeset	2278
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2279
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2280 void InstanceKlass::notify_unload_class(InstanceKlass* ik) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2281 // notify the debugger
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2282 if (JvmtiExport::should_post_class_unload()) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2283 JvmtiExport::post_class_unload(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2284 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2285
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2286 // notify ClassLoadingService of class unload
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2287 ClassLoadingService::notify_class_unloaded(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2288 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2289
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2290 void InstanceKlass::release_C_heap_structures(InstanceKlass* ik) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2291 // Clean up C heap
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2292 ik->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2293 ik->constants()->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2294 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2295
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2296 void InstanceKlass::release_C_heap_structures() {
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2297
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2298 // Can't release the constant pool here because the constant pool can be
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2299 // deallocated separately from the InstanceKlass for default methods and
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2300 // redefine classes.
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2301
0 a61af66fc99e Initial load duke parents: diff changeset	2302 // Deallocate oop map cache
a61af66fc99e Initial load duke parents: diff changeset	2303 if (_oop_map_cache != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2304 delete _oop_map_cache;
a61af66fc99e Initial load duke parents: diff changeset	2305 _oop_map_cache = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2306 }
a61af66fc99e Initial load duke parents: diff changeset	2307
a61af66fc99e Initial load duke parents: diff changeset	2308 // Deallocate JNI identifiers for jfieldIDs
a61af66fc99e Initial load duke parents: diff changeset	2309 JNIid::deallocate(jni_ids());
a61af66fc99e Initial load duke parents: diff changeset	2310 set_jni_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2311
a61af66fc99e Initial load duke parents: diff changeset	2312 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2313 if (jmeths != (jmethodID*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2314 release_set_methods_jmethod_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2315 FreeHeap(jmeths);
a61af66fc99e Initial load duke parents: diff changeset	2316 }
a61af66fc99e Initial load duke parents: diff changeset	2317
10347 6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2318 // Deallocate MemberNameTable
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2319 {
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2320 Mutex* lock_or_null = SafepointSynchronize::is_at_safepoint() ? NULL : MemberNameTable_lock;
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2321 MutexLockerEx ml(lock_or_null, Mutex::_no_safepoint_check_flag);
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2322 MemberNameTable* mnt = member_names();
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2323 if (mnt != NULL) {
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2324 delete mnt;
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2325 set_member_names(NULL);
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2326 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2327 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2328
0 a61af66fc99e Initial load duke parents: diff changeset	2329 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2330 if (indices != (int*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2331 release_set_methods_cached_itable_indices(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2332 FreeHeap(indices);
a61af66fc99e Initial load duke parents: diff changeset	2333 }
a61af66fc99e Initial load duke parents: diff changeset	2334
a61af66fc99e Initial load duke parents: diff changeset	2335 // release dependencies
a61af66fc99e Initial load duke parents: diff changeset	2336 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	2337 _dependencies = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2338 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2339 nmethodBucket* next = b->next();
a61af66fc99e Initial load duke parents: diff changeset	2340 delete b;
a61af66fc99e Initial load duke parents: diff changeset	2341 b = next;
a61af66fc99e Initial load duke parents: diff changeset	2342 }
a61af66fc99e Initial load duke parents: diff changeset	2343
a61af66fc99e Initial load duke parents: diff changeset	2344 // Deallocate breakpoint records
a61af66fc99e Initial load duke parents: diff changeset	2345 if (breakpoints() != 0x0) {
a61af66fc99e Initial load duke parents: diff changeset	2346 methods_do(clear_all_breakpoints);
a61af66fc99e Initial load duke parents: diff changeset	2347 assert(breakpoints() == 0x0, "should have cleared breakpoints");
a61af66fc99e Initial load duke parents: diff changeset	2348 }
a61af66fc99e Initial load duke parents: diff changeset	2349
a61af66fc99e Initial load duke parents: diff changeset	2350 // deallocate information about previous versions
a61af66fc99e Initial load duke parents: diff changeset	2351 if (_previous_versions != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2352 for (int i = _previous_versions->length() - 1; i >= 0; i--) {
a61af66fc99e Initial load duke parents: diff changeset	2353 PreviousVersionNode * pv_node = _previous_versions->at(i);
a61af66fc99e Initial load duke parents: diff changeset	2354 delete pv_node;
a61af66fc99e Initial load duke parents: diff changeset	2355 }
a61af66fc99e Initial load duke parents: diff changeset	2356 delete _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	2357 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2358 }
a61af66fc99e Initial load duke parents: diff changeset	2359
a61af66fc99e Initial load duke parents: diff changeset	2360 // deallocate the cached class file
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2361 if (_cached_class_file != NULL) {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2362 os::free(_cached_class_file, mtClass);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2363 _cached_class_file = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2364 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2365
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2366 // Decrement symbol reference counts associated with the unloaded class.
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2367 if (_name != NULL) _name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2368 // unreference array name derived from this class name (arrays of an unloaded
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2369 // class can't be referenced anymore).
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2370 if (_array_name != NULL) _array_name->decrement_refcount();
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2371 if (_source_debug_extension != NULL) FREE_C_HEAP_ARRAY(char, _source_debug_extension, mtClass);
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2372
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2373 assert(_total_instanceKlass_count >= 1, "Sanity check");
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2374 Atomic::dec(&_total_instanceKlass_count);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2375 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2376
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2377 void InstanceKlass::set_source_debug_extension(char* array, int length) {
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2378 if (array == NULL) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2379 _source_debug_extension = NULL;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2380 } else {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2381 // Adding one to the attribute length in order to store a null terminator
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2382 // character could cause an overflow because the attribute length is
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2383 // already coded with an u4 in the classfile, but in practice, it's
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2384 // unlikely to happen.
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2385 assert((length+1) > length, "Overflow checking");
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2386 char* sde = NEW_C_HEAP_ARRAY(char, (length + 1), mtClass);
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2387 for (int i = 0; i < length; i++) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2388 sde[i] = array[i];
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2389 }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2390 sde[length] = '\0';
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2391 _source_debug_extension = sde;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2392 }
0 a61af66fc99e Initial load duke parents: diff changeset	2393 }
a61af66fc99e Initial load duke parents: diff changeset	2394
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2395 address InstanceKlass::static_field_addr(int offset) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	2396 return (address)(offset + InstanceMirrorKlass::offset_of_static_fields() + (intptr_t)java_mirror());
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2397 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2398
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2399
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2400 const char* InstanceKlass::signature_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2401 const char* src = (const char*) (name()->as_C_string());
a61af66fc99e Initial load duke parents: diff changeset	2402 const int src_length = (int)strlen(src);
a61af66fc99e Initial load duke parents: diff changeset	2403 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
a61af66fc99e Initial load duke parents: diff changeset	2404 int src_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2405 int dest_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2406 dest[dest_index++] = 'L';
a61af66fc99e Initial load duke parents: diff changeset	2407 while (src_index < src_length) {
a61af66fc99e Initial load duke parents: diff changeset	2408 dest[dest_index++] = src[src_index++];
a61af66fc99e Initial load duke parents: diff changeset	2409 }
a61af66fc99e Initial load duke parents: diff changeset	2410 dest[dest_index++] = ';';
a61af66fc99e Initial load duke parents: diff changeset	2411 dest[dest_index] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	2412 return dest;
a61af66fc99e Initial load duke parents: diff changeset	2413 }
a61af66fc99e Initial load duke parents: diff changeset	2414
a61af66fc99e Initial load duke parents: diff changeset	2415 // different verisons of is_same_class_package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2416 bool InstanceKlass::is_same_class_package(Klass* class2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2417 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2418 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2419 Symbol* classname1 = class1->name();
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2420
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2421 if (class2->oop_is_objArray()) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	2422 class2 = ObjArrayKlass::cast(class2)->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2423 }
a61af66fc99e Initial load duke parents: diff changeset	2424 oop classloader2;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2425 if (class2->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2426 classloader2 = InstanceKlass::cast(class2)->class_loader();
0 a61af66fc99e Initial load duke parents: diff changeset	2427 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2428 assert(class2->oop_is_typeArray(), "should be type array");
0 a61af66fc99e Initial load duke parents: diff changeset	2429 classloader2 = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2430 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2431 Symbol* classname2 = class2->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2432
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2433 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2434 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2435 }
a61af66fc99e Initial load duke parents: diff changeset	2436
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2437 bool InstanceKlass::is_same_class_package(oop classloader2, Symbol* classname2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2438 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2439 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2440 Symbol* classname1 = class1->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2441
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2442 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2443 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2444 }
a61af66fc99e Initial load duke parents: diff changeset	2445
a61af66fc99e Initial load duke parents: diff changeset	2446 // return true if two classes are in the same package, classloader
a61af66fc99e Initial load duke parents: diff changeset	2447 // and classname information is enough to determine a class's package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2448 bool InstanceKlass::is_same_class_package(oop class_loader1, Symbol* class_name1,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2449 oop class_loader2, Symbol* class_name2) {
0 a61af66fc99e Initial load duke parents: diff changeset	2450 if (class_loader1 != class_loader2) {
a61af66fc99e Initial load duke parents: diff changeset	2451 return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2452 } else if (class_name1 == class_name2) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2453 return true; // skip painful bytewise comparison
0 a61af66fc99e Initial load duke parents: diff changeset	2454 } else {
a61af66fc99e Initial load duke parents: diff changeset	2455 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2456
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2457 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly
0 a61af66fc99e Initial load duke parents: diff changeset	2458 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding.
a61af66fc99e Initial load duke parents: diff changeset	2459 // Otherwise, we just compare jbyte values between the strings.
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2460 const jbyte *name1 = class_name1->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2461 const jbyte *name2 = class_name2->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2462
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2463 const jbyte *last_slash1 = UTF8::strrchr(name1, class_name1->utf8_length(), '/');
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2464 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/');
0 a61af66fc99e Initial load duke parents: diff changeset	2465
a61af66fc99e Initial load duke parents: diff changeset	2466 if ((last_slash1 == NULL) \|\| (last_slash2 == NULL)) {
a61af66fc99e Initial load duke parents: diff changeset	2467 // One of the two doesn't have a package. Only return true
a61af66fc99e Initial load duke parents: diff changeset	2468 // if the other one also doesn't have a package.
a61af66fc99e Initial load duke parents: diff changeset	2469 return last_slash1 == last_slash2;
a61af66fc99e Initial load duke parents: diff changeset	2470 } else {
a61af66fc99e Initial load duke parents: diff changeset	2471 // Skip over '['s
a61af66fc99e Initial load duke parents: diff changeset	2472 if (*name1 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2473 do {
a61af66fc99e Initial load duke parents: diff changeset	2474 name1++;
a61af66fc99e Initial load duke parents: diff changeset	2475 } while (*name1 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2476 if (*name1 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2477 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2478 return false;
a61af66fc99e Initial load duke parents: diff changeset	2479 }
a61af66fc99e Initial load duke parents: diff changeset	2480 }
a61af66fc99e Initial load duke parents: diff changeset	2481 if (*name2 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2482 do {
a61af66fc99e Initial load duke parents: diff changeset	2483 name2++;
a61af66fc99e Initial load duke parents: diff changeset	2484 } while (*name2 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2485 if (*name2 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2486 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2487 return false;
a61af66fc99e Initial load duke parents: diff changeset	2488 }
a61af66fc99e Initial load duke parents: diff changeset	2489 }
a61af66fc99e Initial load duke parents: diff changeset	2490
a61af66fc99e Initial load duke parents: diff changeset	2491 // Check that package part is identical
a61af66fc99e Initial load duke parents: diff changeset	2492 int length1 = last_slash1 - name1;
a61af66fc99e Initial load duke parents: diff changeset	2493 int length2 = last_slash2 - name2;
a61af66fc99e Initial load duke parents: diff changeset	2494
a61af66fc99e Initial load duke parents: diff changeset	2495 return UTF8::equal(name1, length1, name2, length2);
a61af66fc99e Initial load duke parents: diff changeset	2496 }
a61af66fc99e Initial load duke parents: diff changeset	2497 }
a61af66fc99e Initial load duke parents: diff changeset	2498 }
a61af66fc99e Initial load duke parents: diff changeset	2499
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2500 // Returns true iff super_method can be overridden by a method in targetclassname
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2501 // See JSL 3rd edition 8.4.6.1
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2502 // Assumes name-signature match
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2503 // "this" is InstanceKlass of super_method which must exist
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2504 // note that the InstanceKlass of the method in the targetclassname has not always been created yet
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2505 bool InstanceKlass::is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS) {
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2506 // Private methods can not be overridden
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2507 if (super_method->is_private()) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2508 return false;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2509 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2510 // If super method is accessible, then override
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2511 if ((super_method->is_protected()) \|\|
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2512 (super_method->is_public())) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2513 return true;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2514 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2515 // Package-private methods are not inherited outside of package
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2516 assert(super_method->is_package_private(), "must be package private");
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2517 return(is_same_class_package(targetclassloader(), targetclassname));
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2518 }
0 a61af66fc99e Initial load duke parents: diff changeset	2519
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2520 /* defined for now in jvm.cpp, for historical reasons *--
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2521 Klass* InstanceKlass::compute_enclosing_class_impl(instanceKlassHandle self,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2522 Symbol*& simple_name_result, TRAPS) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2523 ...
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2524 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2525 */
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2526
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2527 // tell if two classes have the same enclosing class (at package level)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2528 bool InstanceKlass::is_same_package_member_impl(instanceKlassHandle class1,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2529 Klass* class2_oop, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2530 if (class2_oop == class1()) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2531 if (!class2_oop->oop_is_instance()) return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2532 instanceKlassHandle class2(THREAD, class2_oop);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2533
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2534 // must be in same package before we try anything else
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2535 if (!class1->is_same_class_package(class2->class_loader(), class2->name()))
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2536 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2537
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2538 // As long as there is an outer1.getEnclosingClass,
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2539 // shift the search outward.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2540 instanceKlassHandle outer1 = class1;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2541 for (;;) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2542 // As we walk along, look for equalities between outer1 and class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2543 // Eventually, the walks will terminate as outer1 stops
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2544 // at the top-level class around the original class.
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2545 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2546 Klass* next = outer1->compute_enclosing_class(&ignore_inner_is_member,
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2547 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2548 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2549 if (next == class2()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2550 outer1 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2551 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2552
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2553 // Now do the same for class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2554 instanceKlassHandle outer2 = class2;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2555 for (;;) {
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2556 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2557 Klass* next = outer2->compute_enclosing_class(&ignore_inner_is_member,
1126 933a3e806ce6 6895168: JCK api/signaturetest/sigtest.basic.html#basic test fails for jdk 5.0 with HS 16 in nightly build xlu parents: 1039 diff changeset	2558 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2559 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2560 // Might as well check the new outer against all available values.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2561 if (next == class1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2562 if (next == outer1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2563 outer2 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2564 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2565
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2566 // If by this point we have not found an equality between the
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2567 // two classes, we know they are in separate package members.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2568 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2569 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2570
0 a61af66fc99e Initial load duke parents: diff changeset	2571
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2572 jint InstanceKlass::compute_modifier_flags(TRAPS) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2573 jint access = access_flags().as_int();
a61af66fc99e Initial load duke parents: diff changeset	2574
a61af66fc99e Initial load duke parents: diff changeset	2575 // But check if it happens to be member class.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2576 instanceKlassHandle ik(THREAD, this);
5967 f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2577 InnerClassesIterator iter(ik);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2578 for (; !iter.done(); iter.next()) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2579 int ioff = iter.inner_class_info_index();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2580 // Inner class attribute can be zero, skip it.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2581 // Strange but true: JVM spec. allows null inner class refs.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2582 if (ioff == 0) continue;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2583
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2584 // only look at classes that are already loaded
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2585 // since we are looking for the flags for our self.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2586 Symbol* inner_name = ik->constants()->klass_name_at(ioff);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2587 if ((ik->name() == inner_name)) {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2588 // This is really a member class.
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2589 access = iter.inner_access_flags();
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2590 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2591 }
a61af66fc99e Initial load duke parents: diff changeset	2592 }
a61af66fc99e Initial load duke parents: diff changeset	2593 // Remember to strip ACC_SUPER bit
a61af66fc99e Initial load duke parents: diff changeset	2594 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS;
a61af66fc99e Initial load duke parents: diff changeset	2595 }
a61af66fc99e Initial load duke parents: diff changeset	2596
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2597 jint InstanceKlass::jvmti_class_status() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2598 jint result = 0;
a61af66fc99e Initial load duke parents: diff changeset	2599
a61af66fc99e Initial load duke parents: diff changeset	2600 if (is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	2601 result \|= JVMTI_CLASS_STATUS_VERIFIED \| JVMTI_CLASS_STATUS_PREPARED;
a61af66fc99e Initial load duke parents: diff changeset	2602 }
a61af66fc99e Initial load duke parents: diff changeset	2603
a61af66fc99e Initial load duke parents: diff changeset	2604 if (is_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	2605 assert(is_linked(), "Class status is not consistent");
a61af66fc99e Initial load duke parents: diff changeset	2606 result \|= JVMTI_CLASS_STATUS_INITIALIZED;
a61af66fc99e Initial load duke parents: diff changeset	2607 }
a61af66fc99e Initial load duke parents: diff changeset	2608 if (is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	2609 result \|= JVMTI_CLASS_STATUS_ERROR;
a61af66fc99e Initial load duke parents: diff changeset	2610 }
a61af66fc99e Initial load duke parents: diff changeset	2611 return result;
a61af66fc99e Initial load duke parents: diff changeset	2612 }
a61af66fc99e Initial load duke parents: diff changeset	2613
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2614 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	2615 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable();
a61af66fc99e Initial load duke parents: diff changeset	2616 int method_table_offset_in_words = ioe->offset()/wordSize;
a61af66fc99e Initial load duke parents: diff changeset	2617 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words())
a61af66fc99e Initial load duke parents: diff changeset	2618 / itableOffsetEntry::size();
a61af66fc99e Initial load duke parents: diff changeset	2619
a61af66fc99e Initial load duke parents: diff changeset	2620 for (int cnt = 0 ; ; cnt ++, ioe ++) {
605 98cb887364d3 6810672: Comment typos twisti parents: 356 diff changeset	2621 // If the interface isn't implemented by the receiver class,
0 a61af66fc99e Initial load duke parents: diff changeset	2622 // the VM should throw IncompatibleClassChangeError.
a61af66fc99e Initial load duke parents: diff changeset	2623 if (cnt >= nof_interfaces) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2624 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError());
0 a61af66fc99e Initial load duke parents: diff changeset	2625 }
a61af66fc99e Initial load duke parents: diff changeset	2626
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2627 Klass* ik = ioe->interface_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2628 if (ik == holder) break;
a61af66fc99e Initial load duke parents: diff changeset	2629 }
a61af66fc99e Initial load duke parents: diff changeset	2630
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2631 itableMethodEntry* ime = ioe->first_method_entry(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2632 Method* m = ime[index].method();
0 a61af66fc99e Initial load duke parents: diff changeset	2633 if (m == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2634 THROW_NULL(vmSymbols::java_lang_AbstractMethodError());
0 a61af66fc99e Initial load duke parents: diff changeset	2635 }
a61af66fc99e Initial load duke parents: diff changeset	2636 return m;
a61af66fc99e Initial load duke parents: diff changeset	2637 }
a61af66fc99e Initial load duke parents: diff changeset	2638
a61af66fc99e Initial load duke parents: diff changeset	2639 // On-stack replacement stuff
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2640 void InstanceKlass::add_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2641 // only one compilation can be active
a61af66fc99e Initial load duke parents: diff changeset	2642 NEEDS_CLEANUP
a61af66fc99e Initial load duke parents: diff changeset	2643 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2644 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2645 assert(n->is_osr_method(), "wrong kind of nmethod");
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2646 n->set_osr_link(osr_nmethods_head());
0 a61af66fc99e Initial load duke parents: diff changeset	2647 set_osr_nmethods_head(n);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2648 // Raise the highest osr level if necessary
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2649 if (TieredCompilation) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2650 Method* m = n->method();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2651 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level()));
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2652 }
0 a61af66fc99e Initial load duke parents: diff changeset	2653 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2654 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2655
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2656 // Get rid of the osr methods for the same bci that have lower levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2657 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2658 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2659 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2660 if (inv != NULL && inv->is_in_use()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2661 inv->make_not_entrant();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2662 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2663 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2664 }
0 a61af66fc99e Initial load duke parents: diff changeset	2665 }
a61af66fc99e Initial load duke parents: diff changeset	2666
a61af66fc99e Initial load duke parents: diff changeset	2667
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2668 void InstanceKlass::remove_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2669 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2670 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2671 assert(n->is_osr_method(), "wrong kind of nmethod");
a61af66fc99e Initial load duke parents: diff changeset	2672 nmethod* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2673 nmethod* cur = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2674 int max_level = CompLevel_none; // Find the max comp level excluding n
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2675 Method* m = n->method();
0 a61af66fc99e Initial load duke parents: diff changeset	2676 // Search for match
a61af66fc99e Initial load duke parents: diff changeset	2677 while(cur != NULL && cur != n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2678 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2679 // Find max level before n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2680 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2681 }
0 a61af66fc99e Initial load duke parents: diff changeset	2682 last = cur;
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2683 cur = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2684 }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2685 nmethod* next = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2686 if (cur == n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2687 next = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2688 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2689 // Remove first element
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2690 set_osr_nmethods_head(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2691 } else {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2692 last->set_osr_link(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2693 }
a61af66fc99e Initial load duke parents: diff changeset	2694 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2695 n->set_osr_link(NULL);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2696 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2697 cur = next;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2698 while (cur != NULL) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2699 // Find max level after n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2700 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2701 cur = cur->osr_link();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2702 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2703 m->set_highest_osr_comp_level(max_level);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2704 }
0 a61af66fc99e Initial load duke parents: diff changeset	2705 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2706 OsrList_lock->unlock();
a61af66fc99e Initial load duke parents: diff changeset	2707 }
a61af66fc99e Initial load duke parents: diff changeset	2708
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 10152 diff changeset	2709 nmethod* InstanceKlass::lookup_osr_nmethod(const Method* m, int bci, int comp_level, bool match_level) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2710 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2711 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2712 nmethod* osr = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2713 nmethod* best = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2714 while (osr != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2715 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2716 // There can be a time when a c1 osr method exists but we are waiting
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2717 // for a c2 version. When c2 completes its osr nmethod we will trash
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2718 // the c1 version and only be able to find the c2 version. However
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2719 // while we overflow in the c1 code at back branches we don't want to
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2720 // try and switch to the same code as we are already running
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2721
0 a61af66fc99e Initial load duke parents: diff changeset	2722 if (osr->method() == m &&
a61af66fc99e Initial load duke parents: diff changeset	2723 (bci == InvocationEntryBci \|\| osr->osr_entry_bci() == bci)) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2724 if (match_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2725 if (osr->comp_level() == comp_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2726 // Found a match - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2727 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2728 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2729 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2730 } else {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2731 if (best == NULL \|\| (osr->comp_level() > best->comp_level())) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2732 if (osr->comp_level() == CompLevel_highest_tier) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2733 // Found the best possible - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2734 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2735 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2736 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2737 best = osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2738 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2739 }
0 a61af66fc99e Initial load duke parents: diff changeset	2740 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2741 osr = osr->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2742 }
a61af66fc99e Initial load duke parents: diff changeset	2743 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2744 if (best != NULL && best->comp_level() >= comp_level && match_level == false) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2745 return best;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2746 }
0 a61af66fc99e Initial load duke parents: diff changeset	2747 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2748 }
a61af66fc99e Initial load duke parents: diff changeset	2749
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2750 void InstanceKlass::add_member_name(int index, Handle mem_name) {
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2751 jweak mem_name_wref = JNIHandles::make_weak_global(mem_name);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2752 MutexLocker ml(MemberNameTable_lock);
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2753 assert(0 <= index && index < idnum_allocated_count(), "index is out of bounds");
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2754 DEBUG_ONLY(No_Safepoint_Verifier nsv);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2755
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2756 if (_member_names == NULL) {
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2757 _member_names = new (ResourceObj::C_HEAP, mtClass) MemberNameTable(idnum_allocated_count());
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2758 }
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2759 _member_names->add_member_name(index, mem_name_wref);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2760 }
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2761
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2762 oop InstanceKlass::get_member_name(int index) {
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2763 MutexLocker ml(MemberNameTable_lock);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2764 assert(0 <= index && index < idnum_allocated_count(), "index is out of bounds");
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2765 DEBUG_ONLY(No_Safepoint_Verifier nsv);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2766
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2767 if (_member_names == NULL) {
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2768 return NULL;
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2769 }
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2770 oop mem_name =_member_names->get_member_name(index);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2771 return mem_name;
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2772 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2773
0 a61af66fc99e Initial load duke parents: diff changeset	2774 // -----------------------------------------------------------------------------------------------------
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2775 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2776
0 a61af66fc99e Initial load duke parents: diff changeset	2777 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2778
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2779 #define BULLET " - "
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2780
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2781 static const char* state_names[] = {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2782 "allocated", "loaded", "linked", "being_initialized", "fully_initialized", "initialization_error"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2783 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2784
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2785 void InstanceKlass::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2786 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2787 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2788
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2789 st->print(BULLET"instance size: %d", size_helper()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2790 st->print(BULLET"klass size: %d", size()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2791 st->print(BULLET"access: "); access_flags().print_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2792 st->print(BULLET"state: "); st->print_cr(state_names[_init_state]);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2793 st->print(BULLET"name: "); name()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2794 st->print(BULLET"super: "); super()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2795 st->print(BULLET"sub: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2796 Klass* sub = subklass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2797 int n;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2798 for (n = 0; sub != NULL; n++, sub = sub->next_sibling()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2799 if (n < MaxSubklassPrintSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2800 sub->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2801 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2802 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2803 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2804 if (n >= MaxSubklassPrintSize) st->print("(%d more klasses...)", n - MaxSubklassPrintSize);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2805 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2806
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2807 if (is_interface()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2808 st->print_cr(BULLET"nof implementors: %d", nof_implementors());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2809 if (nof_implementors() == 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2810 st->print_cr(BULLET"implementor: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2811 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2812 implementor()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2813 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2814 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2815 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2816
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2817 st->print(BULLET"arrays: "); array_klasses()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2818 st->print(BULLET"methods: "); methods()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2819 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2820 Array<Method> method_array = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2821 for(int i = 0; i < method_array->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2822 st->print("%d : ", i); method_array->at(i)->print_value(); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2823 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2824 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2825 st->print(BULLET"method ordering: "); method_ordering()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2826 st->print(BULLET"local interfaces: "); local_interfaces()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2827 st->print(BULLET"trans. interfaces: "); transitive_interfaces()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2828 st->print(BULLET"constants: "); constants()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2829 if (class_loader_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2830 st->print(BULLET"class loader data: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2831 class_loader_data()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2832 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2833 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2834 st->print(BULLET"host class: "); host_klass()->print_value_on_maybe_null(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2835 if (source_file_name() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2836 st->print(BULLET"source file: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2837 source_file_name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2838 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2839 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2840 if (source_debug_extension() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2841 st->print(BULLET"source debug extension: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2842 st->print("%s", source_debug_extension());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2843 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2844 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2845 st->print(BULLET"class annotations: "); class_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2846 st->print(BULLET"class type annotations: "); class_type_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2847 st->print(BULLET"field annotations: "); fields_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2848 st->print(BULLET"field type annotations: "); fields_type_annotations()->print_value_on(st); st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2849 {
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2850 bool have_pv = false;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2851 PreviousVersionWalker pvw(Thread::current(), (InstanceKlass*)this);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2852 for (PreviousVersionNode * pv_node = pvw.next_previous_version();
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2853 pv_node != NULL; pv_node = pvw.next_previous_version()) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2854 if (!have_pv)
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2855 st->print(BULLET"previous version: ");
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2856 have_pv = true;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2857 pv_node->prev_constant_pool()->print_value_on(st);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2858 }
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2859 if (have_pv) st->cr();
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2860 } // pvw is cleaned up
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2861
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2862 if (generic_signature() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2863 st->print(BULLET"generic signature: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2864 generic_signature()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2865 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2866 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2867 st->print(BULLET"inner classes: "); inner_classes()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2868 st->print(BULLET"java mirror: "); java_mirror()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2869 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), start_of_vtable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2870 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), start_of_itable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2871 st->print_cr(BULLET"---- static fields (%d words):", static_field_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2872 FieldPrinter print_static_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2873 ((InstanceKlass*)this)->do_local_static_fields(&print_static_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2874 st->print_cr(BULLET"---- non-static fields (%d words):", nonstatic_field_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2875 FieldPrinter print_nonstatic_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2876 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2877
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2878 st->print(BULLET"non-static oop maps: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2879 OopMapBlock* map = start_of_nonstatic_oop_maps();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2880 OopMapBlock* end_map = map + nonstatic_oop_map_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2881 while (map < end_map) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2882 st->print("%d-%d ", map->offset(), map->offset() + heapOopSize*(map->count() - 1));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2883 map++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2884 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2885 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2886 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2887
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2888 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2889
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2890 void InstanceKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2891 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2892 name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2893 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2894
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2895 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2896
0 a61af66fc99e Initial load duke parents: diff changeset	2897 void FieldPrinter::do_field(fieldDescriptor* fd) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2898 _st->print(BULLET);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2899 if (_obj == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2900 fd->print_on(_st);
a61af66fc99e Initial load duke parents: diff changeset	2901 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2902 } else {
a61af66fc99e Initial load duke parents: diff changeset	2903 fd->print_on_for(_st, _obj);
a61af66fc99e Initial load duke parents: diff changeset	2904 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2905 }
a61af66fc99e Initial load duke parents: diff changeset	2906 }
a61af66fc99e Initial load duke parents: diff changeset	2907
a61af66fc99e Initial load duke parents: diff changeset	2908
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2909 void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2910 Klass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2911
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2912 if (this == SystemDictionary::String_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	2913 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load duke parents: diff changeset	2914 juint offset = java_lang_String::offset(obj);
a61af66fc99e Initial load duke parents: diff changeset	2915 juint length = java_lang_String::length(obj);
a61af66fc99e Initial load duke parents: diff changeset	2916 if (value != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2917 value->is_typeArray() &&
a61af66fc99e Initial load duke parents: diff changeset	2918 offset <= (juint) value->length() &&
a61af66fc99e Initial load duke parents: diff changeset	2919 offset + length <= (juint) value->length()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2920 st->print(BULLET"string: ");
0 a61af66fc99e Initial load duke parents: diff changeset	2921 Handle h_obj(obj);
a61af66fc99e Initial load duke parents: diff changeset	2922 java_lang_String::print(h_obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2923 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2924 if (!WizardMode) return; // that is enough
a61af66fc99e Initial load duke parents: diff changeset	2925 }
a61af66fc99e Initial load duke parents: diff changeset	2926 }
a61af66fc99e Initial load duke parents: diff changeset	2927
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2928 st->print_cr(BULLET"---- fields (total size %d words):", oop_size(obj));
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2929 FieldPrinter print_field(st, obj);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2930 do_nonstatic_fields(&print_field);
0 a61af66fc99e Initial load duke parents: diff changeset	2931
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2932 if (this == SystemDictionary::Class_klass()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2933 st->print(BULLET"signature: ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2934 java_lang_Class::print_signature(obj, st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2935 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2936 Klass* mirrored_klass = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2937 st->print(BULLET"fake entry for mirror: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2938 mirrored_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2939 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2940 Klass* array_klass = java_lang_Class::array_klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2941 st->print(BULLET"fake entry for array: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2942 array_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2943 st->cr();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2944 st->print_cr(BULLET"fake entry for oop_size: %d", java_lang_Class::oop_size(obj));
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2945 st->print_cr(BULLET"fake entry for static_oop_field_count: %d", java_lang_Class::static_oop_field_count(obj));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2946 Klass* real_klass = java_lang_Class::as_Klass(obj);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2947 if (real_klass != NULL && real_klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2948 InstanceKlass::cast(real_klass)->do_local_static_fields(&print_field);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2949 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2950 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2951 st->print(BULLET"signature: ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2952 java_lang_invoke_MethodType::print_signature(obj, st);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2953 st->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	2954 }
a61af66fc99e Initial load duke parents: diff changeset	2955 }
a61af66fc99e Initial load duke parents: diff changeset	2956
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2957 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2958
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2959 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2960 st->print("a ");
a61af66fc99e Initial load duke parents: diff changeset	2961 name()->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	2962 obj->print_address_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2963 if (this == SystemDictionary::String_klass()
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2964 && java_lang_String::value(obj) != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2965 ResourceMark rm;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2966 int len = java_lang_String::length(obj);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2967 int plen = (len < 24 ? len : 12);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2968 char* str = java_lang_String::as_utf8_string(obj, 0, plen);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2969 st->print(" = \"%s\"", str);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2970 if (len > plen)
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2971 st->print("...[%d]", len);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2972 } else if (this == SystemDictionary::Class_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2973 Klass* k = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2974 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2975 if (k != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2976 k->print_value_on(st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2977 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2978 const char* tname = type2name(java_lang_Class::primitive_type(obj));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2979 st->print("%s", tname ? tname : "type?");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2980 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2981 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2982 st->print(" = ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2983 java_lang_invoke_MethodType::print_signature(obj, st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2984 } else if (java_lang_boxing_object::is_instance(obj)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2985 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2986 java_lang_boxing_object::print(obj, st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2987 } else if (this == SystemDictionary::LambdaForm_klass()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2988 oop vmentry = java_lang_invoke_LambdaForm::vmentry(obj);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2989 if (vmentry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2990 st->print(" => ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2991 vmentry->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2992 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2993 } else if (this == SystemDictionary::MemberName_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2994 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(obj);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2995 if (vmtarget != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2996 st->print(" = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2997 vmtarget->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2998 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2999 java_lang_invoke_MemberName::clazz(obj)->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3000 st->print(".");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3001 java_lang_invoke_MemberName::name(obj)->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3002 }
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	3003 }
0 a61af66fc99e Initial load duke parents: diff changeset	3004 }
a61af66fc99e Initial load duke parents: diff changeset	3005
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3006 const char* InstanceKlass::internal_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	3007 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	3008 }
a61af66fc99e Initial load duke parents: diff changeset	3009
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3010 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3011 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3012 void InstanceKlass::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3013 Klass::collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3014
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3015 sz->_inst_size = HeapWordSize * size_helper();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3016 sz->_vtab_bytes = HeapWordSize * align_object_offset(vtable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3017 sz->_itab_bytes = HeapWordSize * align_object_offset(itable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3018 sz->_nonstatic_oopmap_bytes = HeapWordSize *
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3019 ((is_interface() \|\| is_anonymous()) ?
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3020 align_object_offset(nonstatic_oop_map_size()) :
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3021 nonstatic_oop_map_size());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3022
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3023 int n = 0;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3024 n += (sz->_methods_array_bytes = sz->count_array(methods()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3025 n += (sz->_method_ordering_bytes = sz->count_array(method_ordering()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3026 n += (sz->_local_interfaces_bytes = sz->count_array(local_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3027 n += (sz->_transitive_interfaces_bytes = sz->count_array(transitive_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3028 n += (sz->_fields_bytes = sz->count_array(fields()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3029 n += (sz->_inner_classes_bytes = sz->count_array(inner_classes()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3030 sz->_ro_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3031
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3032 const ConstantPool* cp = constants();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3033 if (cp) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3034 cp->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3035 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3036
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3037 const Annotations* anno = annotations();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3038 if (anno) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3039 anno->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3040 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3041
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3042 const Array<Method> methods_array = methods();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3043 if (methods()) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3044 for (int i = 0; i < methods_array->length(); i++) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3045 Method* method = methods_array->at(i);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3046 if (method) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3047 sz->_method_count ++;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3048 method->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3049 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3050 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3051 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3052 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3053 #endif // INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3054
0 a61af66fc99e Initial load duke parents: diff changeset	3055 // Verification
a61af66fc99e Initial load duke parents: diff changeset	3056
a61af66fc99e Initial load duke parents: diff changeset	3057 class VerifyFieldClosure: public OopClosure {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3058 protected:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3059 template <class T> void do_oop_work(T* p) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3060 oop obj = oopDesc::load_decode_heap_oop(p);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3061 if (!obj->is_oop_or_null()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3062 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj);
0 a61af66fc99e Initial load duke parents: diff changeset	3063 Universe::print();
a61af66fc99e Initial load duke parents: diff changeset	3064 guarantee(false, "boom");
a61af66fc99e Initial load duke parents: diff changeset	3065 }
a61af66fc99e Initial load duke parents: diff changeset	3066 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3067 public:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3068 virtual void do_oop(oop* p) { VerifyFieldClosure::do_oop_work(p); }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3069 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
0 a61af66fc99e Initial load duke parents: diff changeset	3070 };
a61af66fc99e Initial load duke parents: diff changeset	3071
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3072 void InstanceKlass::verify_on(outputStream* st, bool check_dictionary) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3073 #ifndef PRODUCT
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3074 // Avoid redundant verifies, this really should be in product.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3075 if (_verify_count == Universe::verify_count()) return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3076 _verify_count = Universe::verify_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3077 #endif
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3078
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3079 // Verify Klass
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3080 Klass::verify_on(st, check_dictionary);
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3081
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3082 // Verify that klass is present in SystemDictionary if not already
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3083 // verifying the SystemDictionary.
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3084 if (is_loaded() && !is_anonymous() && check_dictionary) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3085 Symbol* h_name = name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3086 SystemDictionary::verify_obj_klass_present(h_name, class_loader_data());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3087 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3088
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3089 // Verify vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3090 if (is_linked()) {
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3091 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3092 // $$$ This used to be done only for m/s collections. Doing it
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3093 // always seemed a valid generalization. (DLD -- 6/00)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3094 vtable()->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3095 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3096
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3097 // Verify first subklass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3098 if (subklass_oop() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3099 guarantee(subklass_oop()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3100 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3101
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3102 // Verify siblings
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3103 Klass* super = this->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3104 Klass* sib = next_sibling();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3105 if (sib != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3106 if (sib == this) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3107 fatal(err_msg("subclass points to itself " PTR_FORMAT, sib));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3108 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3109
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3110 guarantee(sib->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3111 guarantee(sib->super() == super, "siblings should have same superklass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3112 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3113
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3114 // Verify implementor fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3115 Klass* im = implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3116 if (im != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3117 guarantee(is_interface(), "only interfaces should have implementor set");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3118 guarantee(im->is_klass(), "should be klass");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3119 guarantee(!im->is_interface() \|\| im == this,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3120 "implementors cannot be interfaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3121 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3122
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3123 // Verify local interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3124 if (local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3125 Array<Klass> local_interfaces = this->local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3126 for (int j = 0; j < local_interfaces->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3127 Klass* e = local_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3128 guarantee(e->is_klass() && e->is_interface(), "invalid local interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3129 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3130 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3131
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3132 // Verify transitive interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3133 if (transitive_interfaces() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3134 Array<Klass> transitive_interfaces = this->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3135 for (int j = 0; j < transitive_interfaces->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3136 Klass* e = transitive_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3137 guarantee(e->is_klass() && e->is_interface(), "invalid transitive interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3138 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3139 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3140
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3141 // Verify methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3142 if (methods() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3143 Array<Method> methods = this->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3144 for (int j = 0; j < methods->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3145 guarantee(methods->at(j)->is_method(), "non-method in methods array");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3146 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3147 for (int j = 0; j < methods->length() - 1; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3148 Method* m1 = methods->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3149 Method* m2 = methods->at(j + 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3150 guarantee(m1->name()->fast_compare(m2->name()) <= 0, "methods not sorted correctly");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3151 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3152 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3153
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3154 // Verify method ordering
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3155 if (method_ordering() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3156 Array<int>* method_ordering = this->method_ordering();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3157 int length = method_ordering->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3158 if (JvmtiExport::can_maintain_original_method_order() \|\|
9057 8554c55669b0 8010943: guarantee(length == 0) failed: invalid method ordering length hseigel parents: 8719 diff changeset	3159 ((UseSharedSpaces \|\| DumpSharedSpaces) && length != 0)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3160 guarantee(length == methods()->length(), "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3161 jlong sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3162 for (int j = 0; j < length; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3163 int original_index = method_ordering->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3164 guarantee(original_index >= 0, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3165 guarantee(original_index < length, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3166 sum += original_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3167 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3168 // Verify sum of indices 0,1,...,length-1
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3169 guarantee(sum == ((jlong)length*(length-1))/2, "invalid method ordering sum");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3170 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3171 guarantee(length == 0, "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3172 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3173 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3174
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3175 // Verify JNI static field identifiers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3176 if (jni_ids() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3177 jni_ids()->verify(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3178 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3179
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3180 // Verify other fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3181 if (array_klasses() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3182 guarantee(array_klasses()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3183 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3184 if (constants() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3185 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3186 }
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3187 const Klass* host = host_klass();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3188 if (host != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3189 guarantee(host->is_klass(), "should be klass");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3190 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3191 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3192
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3193 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	3194 Klass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	3195 VerifyFieldClosure blk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3196 obj->oop_iterate_no_header(&blk);
0 a61af66fc99e Initial load duke parents: diff changeset	3197 }
a61af66fc99e Initial load duke parents: diff changeset	3198
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3199
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3200 // JNIid class for jfieldIDs only
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3201 // Note to reviewers:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3202 // These JNI functions are just moved over to column 1 and not changed
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3203 // in the compressed oops workspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3204 JNIid::JNIid(Klass* holder, int offset, JNIid* next) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3205 _holder = holder;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3206 _offset = offset;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3207 _next = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3208 debug_only(_is_static_field_id = false;)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3209 }
0 a61af66fc99e Initial load duke parents: diff changeset	3210
a61af66fc99e Initial load duke parents: diff changeset	3211
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3212 JNIid* JNIid::find(int offset) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3213 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3214 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3215 if (current->offset() == offset) return current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3216 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3217 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3218 return NULL;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3219 }
0 a61af66fc99e Initial load duke parents: diff changeset	3220
a61af66fc99e Initial load duke parents: diff changeset	3221 void JNIid::deallocate(JNIid* current) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3222 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3223 JNIid* next = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3224 delete current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3225 current = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3226 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3227 }
0 a61af66fc99e Initial load duke parents: diff changeset	3228
a61af66fc99e Initial load duke parents: diff changeset	3229
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3230 void JNIid::verify(Klass* holder) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	3231 int first_field_offset = InstanceMirrorKlass::offset_of_static_fields();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3232 int end_field_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3233 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize);
0 a61af66fc99e Initial load duke parents: diff changeset	3234
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3235 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3236 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3237 guarantee(current->holder() == holder, "Invalid klass in JNIid");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3238 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3239 int o = current->offset();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3240 if (current->is_static_field_id()) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3241 guarantee(o >= first_field_offset && o < end_field_offset, "Invalid static field offset in JNIid");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3242 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3243 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3244 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3245 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3246 }
0 a61af66fc99e Initial load duke parents: diff changeset	3247
a61af66fc99e Initial load duke parents: diff changeset	3248
a61af66fc99e Initial load duke parents: diff changeset	3249 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3250 void InstanceKlass::set_init_state(ClassState state) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3251 bool good_state = is_shared() ? (_init_state <= state)
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3252 : (_init_state < state);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3253 assert(good_state \|\| state == allocated, "illegal state transition");
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	3254 _init_state = (u1)state;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3255 }
0 a61af66fc99e Initial load duke parents: diff changeset	3256 #endif
a61af66fc99e Initial load duke parents: diff changeset	3257
a61af66fc99e Initial load duke parents: diff changeset	3258
a61af66fc99e Initial load duke parents: diff changeset	3259 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	3260
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3261 // Purge previous versions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3262 static void purge_previous_versions_internal(InstanceKlass* ik, int emcp_method_count) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3263 if (ik->previous_versions() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3264 // This klass has previous versions so see what we can cleanup
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3265 // while it is safe to do so.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3266
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3267 int deleted_count = 0; // leave debugging breadcrumbs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3268 int live_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3269 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3270 ClassLoaderData::the_null_class_loader_data() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3271 ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3272
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3273 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3274 RC_TRACE(0x00000200, ("purge: %s: previous version length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3275 ik->external_name(), ik->previous_versions()->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3276
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3277 for (int i = ik->previous_versions()->length() - 1; i >= 0; i--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3278 // check the previous versions array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3279 PreviousVersionNode * pv_node = ik->previous_versions()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3280 ConstantPool* cp_ref = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3281 assert(cp_ref != NULL, "cp ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3282
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3283 ConstantPool* pvcp = cp_ref;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3284 if (!pvcp->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3285 // If the constant pool isn't on stack, none of the methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3286 // are executing. Delete all the methods, the constant pool and
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3287 // and this previous version node.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3288 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3289 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3290 for (int j = method_refs->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3291 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3292 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3293 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3294 // method will be freed with associated class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3295 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3296 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3297 // Remove the constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3298 delete pv_node;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3299 // Since we are traversing the array backwards, we don't have to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3300 // do anything special with the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3301 ik->previous_versions()->remove_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3302 deleted_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3303 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3304 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3305 RC_TRACE(0x00000200, ("purge: previous version @%d is alive", i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3306 assert(pvcp->pool_holder() != NULL, "Constant pool with no holder");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3307 guarantee (!loader_data->is_unloading(), "unloaded classes can't be on the stack");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3308 live_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3309 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3310
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3311 // At least one method is live in this previous version, clean out
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3312 // the others or mark them as obsolete.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3313 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3314 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3315 RC_TRACE(0x00000200, ("purge: previous methods length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3316 method_refs->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3317 for (int j = method_refs->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3318 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3319 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3320
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3321 // Remove the emcp method if it's not executing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3322 // If it's been made obsolete by a redefinition of a non-emcp
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3323 // method, mark it as obsolete but leave it to clean up later.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3324 if (!method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3325 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3326 } else if (emcp_method_count == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3327 method->set_is_obsolete();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3328 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3329 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3330 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3331 ("purge: %s(%s): prev method @%d in version @%d is alive",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3332 method->name()->as_C_string(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3333 method->signature()->as_C_string(), j, i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3334 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3335 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3336 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3337 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3338 assert(ik->previous_versions()->length() == live_count, "sanity check");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3339 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3340 ("purge: previous version stats: live=%d, deleted=%d", live_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3341 deleted_count));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3342 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3343 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3344
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3345 // External interface for use during class unloading.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3346 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3347 // Call with >0 emcp methods since they are not currently being redefined.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3348 purge_previous_versions_internal(ik, 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3349 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3350
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3351
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3352 // Potentially add an information node that contains pointers to the
0 a61af66fc99e Initial load duke parents: diff changeset	3353 // interesting parts of the previous version of the_class.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3354 // This is also where we clean out any unused references.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3355 // Note that while we delete nodes from the _previous_versions
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3356 // array, we never delete the array itself until the klass is
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3357 // unloaded. The has_been_redefined() query depends on that fact.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	3358 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3359 void InstanceKlass::add_previous_version(instanceKlassHandle ikh,
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3360 BitMap* emcp_methods, int emcp_method_count) {
0 a61af66fc99e Initial load duke parents: diff changeset	3361 assert(Thread::current()->is_VM_thread(),
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3362 "only VMThread can add previous versions");
0 a61af66fc99e Initial load duke parents: diff changeset	3363
a61af66fc99e Initial load duke parents: diff changeset	3364 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3365 // This is the first previous version so make some space.
a61af66fc99e Initial load duke parents: diff changeset	3366 // Start with 2 elements under the assumption that the class
a61af66fc99e Initial load duke parents: diff changeset	3367 // won't be redefined much.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3368 _previous_versions = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3369 GrowableArray<PreviousVersionNode *>(2, true);
a61af66fc99e Initial load duke parents: diff changeset	3370 }
a61af66fc99e Initial load duke parents: diff changeset	3371
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3372 ConstantPool* cp_ref = ikh->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3373
0 a61af66fc99e Initial load duke parents: diff changeset	3374 // RC_TRACE macro has an embedded ResourceMark
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3375 RC_TRACE(0x00000400, ("adding previous version ref for %s @%d, EMCP_cnt=%d "
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3376 "on_stack=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3377 ikh->external_name(), _previous_versions->length(), emcp_method_count,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3378 cp_ref->on_stack()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3379
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3380 // If the constant pool for this previous version of the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3381 // is not marked as being on the stack, then none of the methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3382 // in this previous version of the class are on the stack so
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3383 // we don't need to create a new PreviousVersionNode. However,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3384 // we still need to examine older previous versions below.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3385 Array<Method> old_methods = ikh->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3386
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3387 if (cp_ref->on_stack()) {
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3388 PreviousVersionNode * pv_node = NULL;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3389 if (emcp_method_count == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3390 // non-shared ConstantPool gets a reference
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3391 pv_node = new PreviousVersionNode(cp_ref, NULL);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3392 RC_TRACE(0x00000400,
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3393 ("add: all methods are obsolete; flushing any EMCP refs"));
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3394 } else {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3395 int local_count = 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3396 GrowableArray<Method> method_refs = new (ResourceObj::C_HEAP, mtClass)
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3397 GrowableArray<Method*>(emcp_method_count, true);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3398 for (int i = 0; i < old_methods->length(); i++) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3399 if (emcp_methods->at(i)) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3400 // this old method is EMCP. Save it only if it's on the stack
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3401 Method* old_method = old_methods->at(i);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3402 if (old_method->on_stack()) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3403 method_refs->append(old_method);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3404 }
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3405 if (++local_count >= emcp_method_count) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3406 // no more EMCP methods so bail out now
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3407 break;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3408 }
0 a61af66fc99e Initial load duke parents: diff changeset	3409 }
a61af66fc99e Initial load duke parents: diff changeset	3410 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3411 // non-shared ConstantPool gets a reference
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3412 pv_node = new PreviousVersionNode(cp_ref, method_refs);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3413 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3414 // append new previous version.
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3415 _previous_versions->append(pv_node);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3416 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3417
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3418 // Since the caller is the VMThread and we are at a safepoint, this
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3419 // is a good time to clear out unused references.
0 a61af66fc99e Initial load duke parents: diff changeset	3420
a61af66fc99e Initial load duke parents: diff changeset	3421 RC_TRACE(0x00000400, ("add: previous version length=%d",
a61af66fc99e Initial load duke parents: diff changeset	3422 _previous_versions->length()));
a61af66fc99e Initial load duke parents: diff changeset	3423
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3424 // Purge previous versions not executing on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3425 purge_previous_versions_internal(this, emcp_method_count);
0 a61af66fc99e Initial load duke parents: diff changeset	3426
a61af66fc99e Initial load duke parents: diff changeset	3427 int obsolete_method_count = old_methods->length() - emcp_method_count;
a61af66fc99e Initial load duke parents: diff changeset	3428
a61af66fc99e Initial load duke parents: diff changeset	3429 if (emcp_method_count != 0 && obsolete_method_count != 0 &&
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3430 _previous_versions->length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3431 // We have a mix of obsolete and EMCP methods so we have to
0 a61af66fc99e Initial load duke parents: diff changeset	3432 // clear out any matching EMCP method entries the hard way.
a61af66fc99e Initial load duke parents: diff changeset	3433 int local_count = 0;
a61af66fc99e Initial load duke parents: diff changeset	3434 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3435 if (!emcp_methods->at(i)) {
a61af66fc99e Initial load duke parents: diff changeset	3436 // only obsolete methods are interesting
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3437 Method* old_method = old_methods->at(i);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3438 Symbol* m_name = old_method->name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3439 Symbol* m_signature = old_method->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	3440
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3441 // we might not have added the last entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3442 for (int j = _previous_versions->length() - 1; j >= 0; j--) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3443 // check the previous versions array for non executing obsolete methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3444 PreviousVersionNode * pv_node = _previous_versions->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3445
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3446 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3447 if (method_refs == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3448 // We have run into a PreviousVersion generation where
a61af66fc99e Initial load duke parents: diff changeset	3449 // all methods were made obsolete during that generation's
a61af66fc99e Initial load duke parents: diff changeset	3450 // RedefineClasses() operation. At the time of that
a61af66fc99e Initial load duke parents: diff changeset	3451 // operation, all EMCP methods were flushed so we don't
a61af66fc99e Initial load duke parents: diff changeset	3452 // have to go back any further.
a61af66fc99e Initial load duke parents: diff changeset	3453 //
a61af66fc99e Initial load duke parents: diff changeset	3454 // A NULL method_refs is different than an empty method_refs.
a61af66fc99e Initial load duke parents: diff changeset	3455 // We cannot infer any optimizations about older generations
a61af66fc99e Initial load duke parents: diff changeset	3456 // from an empty method_refs for the current generation.
a61af66fc99e Initial load duke parents: diff changeset	3457 break;
a61af66fc99e Initial load duke parents: diff changeset	3458 }
a61af66fc99e Initial load duke parents: diff changeset	3459
a61af66fc99e Initial load duke parents: diff changeset	3460 for (int k = method_refs->length() - 1; k >= 0; k--) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3461 Method* method = method_refs->at(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3462
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3463 if (!method->is_obsolete() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3464 method->name() == m_name &&
0 a61af66fc99e Initial load duke parents: diff changeset	3465 method->signature() == m_signature) {
a61af66fc99e Initial load duke parents: diff changeset	3466 // The current RedefineClasses() call has made all EMCP
a61af66fc99e Initial load duke parents: diff changeset	3467 // versions of this method obsolete so mark it as obsolete
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3468 // and remove the reference.
0 a61af66fc99e Initial load duke parents: diff changeset	3469 RC_TRACE(0x00000400,
a61af66fc99e Initial load duke parents: diff changeset	3470 ("add: %s(%s): flush obsolete method @%d in version @%d",
a61af66fc99e Initial load duke parents: diff changeset	3471 m_name->as_C_string(), m_signature->as_C_string(), k, j));
a61af66fc99e Initial load duke parents: diff changeset	3472
a61af66fc99e Initial load duke parents: diff changeset	3473 method->set_is_obsolete();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3474 // Leave obsolete methods on the previous version list to
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3475 // clean up later.
0 a61af66fc99e Initial load duke parents: diff changeset	3476 break;
a61af66fc99e Initial load duke parents: diff changeset	3477 }
a61af66fc99e Initial load duke parents: diff changeset	3478 }
a61af66fc99e Initial load duke parents: diff changeset	3479
a61af66fc99e Initial load duke parents: diff changeset	3480 // The previous loop may not find a matching EMCP method, but
a61af66fc99e Initial load duke parents: diff changeset	3481 // that doesn't mean that we can optimize and not go any
a61af66fc99e Initial load duke parents: diff changeset	3482 // further back in the PreviousVersion generations. The EMCP
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3483 // method for this generation could have already been deleted,
0 a61af66fc99e Initial load duke parents: diff changeset	3484 // but there still may be an older EMCP method that has not
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3485 // been deleted.
0 a61af66fc99e Initial load duke parents: diff changeset	3486 }
a61af66fc99e Initial load duke parents: diff changeset	3487
a61af66fc99e Initial load duke parents: diff changeset	3488 if (++local_count >= obsolete_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3489 // no more obsolete methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3490 break;
a61af66fc99e Initial load duke parents: diff changeset	3491 }
a61af66fc99e Initial load duke parents: diff changeset	3492 }
a61af66fc99e Initial load duke parents: diff changeset	3493 }
a61af66fc99e Initial load duke parents: diff changeset	3494 }
a61af66fc99e Initial load duke parents: diff changeset	3495 } // end add_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3496
a61af66fc99e Initial load duke parents: diff changeset	3497
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3498 // Determine if InstanceKlass has a previous version.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3499 bool InstanceKlass::has_previous_version() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3500 return (_previous_versions != NULL && _previous_versions->length() > 0);
0 a61af66fc99e Initial load duke parents: diff changeset	3501 } // end has_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3502
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3503
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3504 Method* InstanceKlass::method_with_idnum(int idnum) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3505 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3506 if (idnum < methods()->length()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3507 m = methods()->at(idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	3508 }
a61af66fc99e Initial load duke parents: diff changeset	3509 if (m == NULL \|\| m->method_idnum() != idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3510 for (int index = 0; index < methods()->length(); ++index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3511 m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	3512 if (m->method_idnum() == idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3513 return m;
a61af66fc99e Initial load duke parents: diff changeset	3514 }
a61af66fc99e Initial load duke parents: diff changeset	3515 }
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3516 // None found, return null for the caller to handle.
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3517 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3518 }
a61af66fc99e Initial load duke parents: diff changeset	3519 return m;
a61af66fc99e Initial load duke parents: diff changeset	3520 }
a61af66fc99e Initial load duke parents: diff changeset	3521
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3522 jint InstanceKlass::get_cached_class_file_len() {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3523 return VM_RedefineClasses::get_cached_class_file_len(_cached_class_file);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3524 }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3525
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3526 unsigned char * InstanceKlass::get_cached_class_file_bytes() {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3527 return VM_RedefineClasses::get_cached_class_file_bytes(_cached_class_file);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3528 }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3529
0 a61af66fc99e Initial load duke parents: diff changeset	3530
a61af66fc99e Initial load duke parents: diff changeset	3531 // Construct a PreviousVersionNode entry for the array hung off
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3532 // the InstanceKlass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3533 PreviousVersionNode::PreviousVersionNode(ConstantPool* prev_constant_pool,
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3534 GrowableArray<Method> prev_EMCP_methods) {
0 a61af66fc99e Initial load duke parents: diff changeset	3535
a61af66fc99e Initial load duke parents: diff changeset	3536 _prev_constant_pool = prev_constant_pool;
a61af66fc99e Initial load duke parents: diff changeset	3537 _prev_EMCP_methods = prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3538 }
a61af66fc99e Initial load duke parents: diff changeset	3539
a61af66fc99e Initial load duke parents: diff changeset	3540
a61af66fc99e Initial load duke parents: diff changeset	3541 // Destroy a PreviousVersionNode
a61af66fc99e Initial load duke parents: diff changeset	3542 PreviousVersionNode::~PreviousVersionNode() {
a61af66fc99e Initial load duke parents: diff changeset	3543 if (_prev_constant_pool != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3544 _prev_constant_pool = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3545 }
a61af66fc99e Initial load duke parents: diff changeset	3546
a61af66fc99e Initial load duke parents: diff changeset	3547 if (_prev_EMCP_methods != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3548 delete _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3549 }
a61af66fc99e Initial load duke parents: diff changeset	3550 }
a61af66fc99e Initial load duke parents: diff changeset	3551
a61af66fc99e Initial load duke parents: diff changeset	3552 // Construct a helper for walking the previous versions array
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3553 PreviousVersionWalker::PreviousVersionWalker(Thread* thread, InstanceKlass *ik) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3554 _thread = thread;
0 a61af66fc99e Initial load duke parents: diff changeset	3555 _previous_versions = ik->previous_versions();
a61af66fc99e Initial load duke parents: diff changeset	3556 _current_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	3557 _current_p = NULL;
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3558 _current_constant_pool_handle = constantPoolHandle(thread, ik->constants());
0 a61af66fc99e Initial load duke parents: diff changeset	3559 }
a61af66fc99e Initial load duke parents: diff changeset	3560
a61af66fc99e Initial load duke parents: diff changeset	3561
a61af66fc99e Initial load duke parents: diff changeset	3562 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	3563 // of the klass. Returns NULL if there are no more previous versions.
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3564 PreviousVersionNode* PreviousVersionWalker::next_previous_version() {
0 a61af66fc99e Initial load duke parents: diff changeset	3565 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3566 // no previous versions so nothing to return
a61af66fc99e Initial load duke parents: diff changeset	3567 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3568 }
a61af66fc99e Initial load duke parents: diff changeset	3569
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3570 _current_p = NULL; // reset to NULL
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3571 _current_constant_pool_handle = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3572
a61af66fc99e Initial load duke parents: diff changeset	3573 int length = _previous_versions->length();
a61af66fc99e Initial load duke parents: diff changeset	3574
a61af66fc99e Initial load duke parents: diff changeset	3575 while (_current_index < length) {
a61af66fc99e Initial load duke parents: diff changeset	3576 PreviousVersionNode * pv_node = _previous_versions->at(_current_index++);
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3577
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3578 // Save a handle to the constant pool for this previous version,
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3579 // which keeps all the methods from being deallocated.
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3580 _current_constant_pool_handle = constantPoolHandle(_thread, pv_node->prev_constant_pool());
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3581 _current_p = pv_node;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3582 return pv_node;
0 a61af66fc99e Initial load duke parents: diff changeset	3583 }
a61af66fc99e Initial load duke parents: diff changeset	3584
a61af66fc99e Initial load duke parents: diff changeset	3585 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3586 } // end next_previous_version()

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.cpp @ 12281:4f9a42c33738