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

annotate src/share/vm/oops/instanceKlass.cpp @ 12811:3374b92de2d9

8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries Summary: Remove unnecessary volatile keyword on stack locals within instanceKlass.cpp to work around Solaris Studio C++ compiler issue Reviewed-by: coleenp, dcubed Contributed-by: lois.foltan@oracle.com

author	coleenp
date	Thu, 03 Oct 2013 18:50:58 -0400
parents	36b97be47bde
children	ac9cb1d5a202

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, \
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12287 diff changeset	109 data, len, SOLARIS_ONLY((void *))(clss)->class_loader(), thread_type); \
1324 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, \
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12287 diff changeset	122 data, len, SOLARIS_ONLY((void *))(clss)->class_loader(), thread_type, wait); \
1324 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 set_annotations(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	290 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	291 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	292 _dependencies = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	293 set_jvmti_cached_class_field_map(NULL);
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	294 set_cached_class_file(NULL);
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	295 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	296 set_minor_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	297 set_major_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	298 NOT_PRODUCT(_verify_count = 0;)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	299
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	300 // initialize the non-header words to zero
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	301 intptr_t* p = (intptr_t*)this;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	302 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	303 p[index] = NULL_WORD;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	304 }
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 // 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	307 // size.
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	308 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	309 }
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
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	312 void InstanceKlass::deallocate_methods(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	313 Array<Method> methods) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	314 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	315 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	316 Method* method = methods->at(i);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	317 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	318 // 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	319 // 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	320 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	321 MetadataFactory::free_metadata(loader_data, method);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	322 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	323 MetadataFactory::free_array<Method*>(loader_data, methods);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	324 }
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 void InstanceKlass::deallocate_interfaces(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	328 Klass* super_klass,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	329 Array<Klass> local_interfaces,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	330 Array<Klass> transitive_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	331 // 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	332 // 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	333 Array<Klass> ti = transitive_interfaces;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	334 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	335 // 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	336 Array<Klass> sti = (super_klass == NULL) ? NULL :
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	337 InstanceKlass::cast(super_klass)->transitive_interfaces();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	338 if (ti != sti) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	339 MetadataFactory::free_array<Klass*>(loader_data, ti);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	340 }
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 // local interfaces can be empty
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	344 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	345 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	346 }
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
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	349 // 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	350 // InstanceKlass points to.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	351 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	353 // 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	354 if (java_mirror() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	355 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	356 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	357
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	358 // 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	359 loader_data->remove_class(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	360
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	361 // 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	362 // 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	363 // 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	364 // to deallocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	365 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	366
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	367 // 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	368 // reference counting symbol names.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	369 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	370
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	371 deallocate_methods(loader_data, methods());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	372 set_methods(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	373
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	374 if (method_ordering() != Universe::the_empty_int_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375 MetadataFactory::free_array<int>(loader_data, method_ordering());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	376 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	377 set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379 // 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	380 // 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	381 // interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	382 if (secondary_supers() != Universe::the_empty_klass_array() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	383 secondary_supers() != transitive_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	384 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	386 set_secondary_supers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	387
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	388 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	389 set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	390 set_local_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	391
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	392 MetadataFactory::free_array<jushort>(loader_data, fields());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	394
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	395 // 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	396 // 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	397 if (constants() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	398 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	399 MetadataFactory::free_metadata(loader_data, constants());
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	400 set_constants(NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	401 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	402
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	403 if (inner_classes() != Universe::the_empty_short_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	404 MetadataFactory::free_array<jushort>(loader_data, inner_classes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	405 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	406 set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	408 // We should deallocate the Annotations instance
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	409 MetadataFactory::free_metadata(loader_data, annotations());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	410 set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	411 }
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 bool InstanceKlass::should_be_initialized() const {
0 a61af66fc99e Initial load duke parents: diff changeset	414 return !is_initialized();
a61af66fc99e Initial load duke parents: diff changeset	415 }
a61af66fc99e Initial load duke parents: diff changeset	416
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	417 klassVtable* InstanceKlass::vtable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	418 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size());
0 a61af66fc99e Initial load duke parents: diff changeset	419 }
a61af66fc99e Initial load duke parents: diff changeset	420
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	421 klassItable* InstanceKlass::itable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	422 return new klassItable(instanceKlassHandle(this));
0 a61af66fc99e Initial load duke parents: diff changeset	423 }
a61af66fc99e Initial load duke parents: diff changeset	424
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	425 void InstanceKlass::eager_initialize(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	426 if (!EagerInitialization) return;
a61af66fc99e Initial load duke parents: diff changeset	427
a61af66fc99e Initial load duke parents: diff changeset	428 if (this->is_not_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	429 // abort if the the class has a class initializer
a61af66fc99e Initial load duke parents: diff changeset	430 if (this->class_initializer() != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	431
a61af66fc99e Initial load duke parents: diff changeset	432 // 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	433 Klass* super = this->super();
0 a61af66fc99e Initial load duke parents: diff changeset	434 if (super == NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	435
a61af66fc99e Initial load duke parents: diff changeset	436 // 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	437 if (!InstanceKlass::cast(super)->is_initialized()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	438
a61af66fc99e Initial load duke parents: diff changeset	439 // call body to expose the this pointer
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	440 instanceKlassHandle this_oop(thread, this);
0 a61af66fc99e Initial load duke parents: diff changeset	441 eager_initialize_impl(this_oop);
a61af66fc99e Initial load duke parents: diff changeset	442 }
a61af66fc99e Initial load duke parents: diff changeset	443 }
a61af66fc99e Initial load duke parents: diff changeset	444
10343 6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	445 // 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	446 // instanceKlass. These accessors pretend these fields are there.
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	447 // 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	448 oop InstanceKlass::protection_domain() const {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	449 // return the protection_domain from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	450 return java_lang_Class::protection_domain(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	451 }
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 // 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	454 objArrayOop InstanceKlass::signers() const {
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	455 // return the signers from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	456 return java_lang_Class::signers(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	457 }
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	458
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12318 diff changeset	459 oop InstanceKlass::init_lock() const {
10343 6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	460 // return the init lock from the mirror
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	461 return java_lang_Class::init_lock(java_mirror());
6bd680e9ea35 8003421: NPG: Move oops out of InstanceKlass into mirror coleenp parents: 10265 diff changeset	462 }
0 a61af66fc99e Initial load duke parents: diff changeset	463
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	464 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) {
0 a61af66fc99e Initial load duke parents: diff changeset	465 EXCEPTION_MARK;
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12318 diff changeset	466 oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	467 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	468
a61af66fc99e Initial load duke parents: diff changeset	469 // abort if someone beat us to the initialization
a61af66fc99e Initial load duke parents: diff changeset	470 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	471
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	472 ClassState old_state = this_oop->init_state();
0 a61af66fc99e Initial load duke parents: diff changeset	473 link_class_impl(this_oop, true, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	474 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	475 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	476 // Abort if linking the class throws an exception.
a61af66fc99e Initial load duke parents: diff changeset	477
a61af66fc99e Initial load duke parents: diff changeset	478 // Use a test to avoid redundantly resetting the state if there's
a61af66fc99e Initial load duke parents: diff changeset	479 // no change. Set_init_state() asserts that state changes make
a61af66fc99e Initial load duke parents: diff changeset	480 // progress, whereas here we might just be spinning in place.
a61af66fc99e Initial load duke parents: diff changeset	481 if( old_state != this_oop->_init_state )
a61af66fc99e Initial load duke parents: diff changeset	482 this_oop->set_init_state (old_state);
a61af66fc99e Initial load duke parents: diff changeset	483 } else {
a61af66fc99e Initial load duke parents: diff changeset	484 // linking successfull, mark class as initialized
a61af66fc99e Initial load duke parents: diff changeset	485 this_oop->set_init_state (fully_initialized);
a61af66fc99e Initial load duke parents: diff changeset	486 // trace
a61af66fc99e Initial load duke parents: diff changeset	487 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	488 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	489 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name());
a61af66fc99e Initial load duke parents: diff changeset	490 }
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 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization
a61af66fc99e Initial load duke parents: diff changeset	496 // process. The step comments refers to the procedure described in that section.
a61af66fc99e Initial load duke parents: diff changeset	497 // 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	498 void InstanceKlass::initialize(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	499 if (this->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	500 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	501 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	502 initialize_impl(this_oop, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	503 // Note: at this point the class may be initialized
a61af66fc99e Initial load duke parents: diff changeset	504 // OR it may be in the state of being initialized
a61af66fc99e Initial load duke parents: diff changeset	505 // in case of recursive initialization!
a61af66fc99e Initial load duke parents: diff changeset	506 } else {
a61af66fc99e Initial load duke parents: diff changeset	507 assert(is_initialized(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	508 }
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
a61af66fc99e Initial load duke parents: diff changeset	511
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	512 bool InstanceKlass::verify_code(
0 a61af66fc99e Initial load duke parents: diff changeset	513 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	514 // 1) Verify the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	515 Verifier::Mode mode =
a61af66fc99e Initial load duke parents: diff changeset	516 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 964 diff changeset	517 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	518 }
a61af66fc99e Initial load duke parents: diff changeset	519
a61af66fc99e Initial load duke parents: diff changeset	520
a61af66fc99e Initial load duke parents: diff changeset	521 // Used exclusively by the shared spaces dump mechanism to prevent
a61af66fc99e Initial load duke parents: diff changeset	522 // classes mapped into the shared regions in new VMs from appearing linked.
a61af66fc99e Initial load duke parents: diff changeset	523
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	524 void InstanceKlass::unlink_class() {
0 a61af66fc99e Initial load duke parents: diff changeset	525 assert(is_linked(), "must be linked");
a61af66fc99e Initial load duke parents: diff changeset	526 _init_state = loaded;
a61af66fc99e Initial load duke parents: diff changeset	527 }
a61af66fc99e Initial load duke parents: diff changeset	528
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	529 void InstanceKlass::link_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	530 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	531 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	532 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	533 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	534 link_class_impl(this_oop, true, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	535 }
a61af66fc99e Initial load duke parents: diff changeset	536 }
a61af66fc99e Initial load duke parents: diff changeset	537
a61af66fc99e Initial load duke parents: diff changeset	538 // Called to verify that a class can link during initialization, without
a61af66fc99e Initial load duke parents: diff changeset	539 // throwing a VerifyError.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	540 bool InstanceKlass::link_class_or_fail(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	541 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	542 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	543 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	544 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	545 link_class_impl(this_oop, false, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	546 }
a61af66fc99e Initial load duke parents: diff changeset	547 return is_linked();
a61af66fc99e Initial load duke parents: diff changeset	548 }
a61af66fc99e Initial load duke parents: diff changeset	549
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	550 bool InstanceKlass::link_class_impl(
0 a61af66fc99e Initial load duke parents: diff changeset	551 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	552 // check for error state
a61af66fc99e Initial load duke parents: diff changeset	553 if (this_oop->is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	554 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	555 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(),
a61af66fc99e Initial load duke parents: diff changeset	556 this_oop->external_name(), false);
a61af66fc99e Initial load duke parents: diff changeset	557 }
a61af66fc99e Initial load duke parents: diff changeset	558 // return if already verified
a61af66fc99e Initial load duke parents: diff changeset	559 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	560 return true;
a61af66fc99e Initial load duke parents: diff changeset	561 }
a61af66fc99e Initial load duke parents: diff changeset	562
a61af66fc99e Initial load duke parents: diff changeset	563 // Timing
a61af66fc99e Initial load duke parents: diff changeset	564 // timer handles recursion
a61af66fc99e Initial load duke parents: diff changeset	565 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl");
a61af66fc99e Initial load duke parents: diff changeset	566 JavaThread* jt = (JavaThread*)THREAD;
a61af66fc99e Initial load duke parents: diff changeset	567
a61af66fc99e Initial load duke parents: diff changeset	568 // link super class before linking this class
a61af66fc99e Initial load duke parents: diff changeset	569 instanceKlassHandle super(THREAD, this_oop->super());
a61af66fc99e Initial load duke parents: diff changeset	570 if (super.not_null()) {
a61af66fc99e Initial load duke parents: diff changeset	571 if (super->is_interface()) { // check if super class is an interface
a61af66fc99e Initial load duke parents: diff changeset	572 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	573 Exceptions::fthrow(
a61af66fc99e Initial load duke parents: diff changeset	574 THREAD_AND_LOCATION,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	575 vmSymbols::java_lang_IncompatibleClassChangeError(),
0 a61af66fc99e Initial load duke parents: diff changeset	576 "class %s has interface %s as super class",
a61af66fc99e Initial load duke parents: diff changeset	577 this_oop->external_name(),
a61af66fc99e Initial load duke parents: diff changeset	578 super->external_name()
a61af66fc99e Initial load duke parents: diff changeset	579 );
a61af66fc99e Initial load duke parents: diff changeset	580 return false;
a61af66fc99e Initial load duke parents: diff changeset	581 }
a61af66fc99e Initial load duke parents: diff changeset	582
a61af66fc99e Initial load duke parents: diff changeset	583 link_class_impl(super, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	584 }
a61af66fc99e Initial load duke parents: diff changeset	585
a61af66fc99e Initial load duke parents: diff changeset	586 // 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	587 Array<Klass> interfaces = this_oop->local_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	588 int num_interfaces = interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	589 for (int index = 0; index < num_interfaces; index++) {
a61af66fc99e Initial load duke parents: diff changeset	590 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	591 instanceKlassHandle ih(THREAD, interfaces->at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	592 link_class_impl(ih, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	593 }
a61af66fc99e Initial load duke parents: diff changeset	594
a61af66fc99e Initial load duke parents: diff changeset	595 // in case the class is linked in the process of linking its superclasses
a61af66fc99e Initial load duke parents: diff changeset	596 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	597 return true;
a61af66fc99e Initial load duke parents: diff changeset	598 }
a61af66fc99e Initial load duke parents: diff changeset	599
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	600 // 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	601 // the verification time
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	602 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	603 ClassLoader::perf_class_link_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	604 ClassLoader::perf_classes_linked(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	605 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	606 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	607 PerfClassTraceTime::CLASS_LINK);
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	608
0 a61af66fc99e Initial load duke parents: diff changeset	609 // verification & rewriting
a61af66fc99e Initial load duke parents: diff changeset	610 {
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12318 diff changeset	611 oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	612 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	613 // rewritten will have been set if loader constraint error found
a61af66fc99e Initial load duke parents: diff changeset	614 // on an earlier link attempt
a61af66fc99e Initial load duke parents: diff changeset	615 // 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	616
0 a61af66fc99e Initial load duke parents: diff changeset	617 if (!this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	618 if (!this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	619 {
a61af66fc99e Initial load duke parents: diff changeset	620 // Timer includes any side effects of class verification (resolution,
a61af66fc99e Initial load duke parents: diff changeset	621 // 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	622 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	623 ClassLoader::perf_class_verify_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	624 ClassLoader::perf_classes_verified(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	625 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	626 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	627 PerfClassTraceTime::CLASS_VERIFY);
0 a61af66fc99e Initial load duke parents: diff changeset	628 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	629 if (!verify_ok) {
a61af66fc99e Initial load duke parents: diff changeset	630 return false;
a61af66fc99e Initial load duke parents: diff changeset	631 }
a61af66fc99e Initial load duke parents: diff changeset	632 }
a61af66fc99e Initial load duke parents: diff changeset	633
a61af66fc99e Initial load duke parents: diff changeset	634 // Just in case a side-effect of verify linked this class already
a61af66fc99e Initial load duke parents: diff changeset	635 // (which can sometimes happen since the verifier loads classes
a61af66fc99e Initial load duke parents: diff changeset	636 // using custom class loaders, which are free to initialize things)
a61af66fc99e Initial load duke parents: diff changeset	637 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	638 return true;
a61af66fc99e Initial load duke parents: diff changeset	639 }
a61af66fc99e Initial load duke parents: diff changeset	640
a61af66fc99e Initial load duke parents: diff changeset	641 // also sets rewritten
a61af66fc99e Initial load duke parents: diff changeset	642 this_oop->rewrite_class(CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	643 }
a61af66fc99e Initial load duke parents: diff changeset	644
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	645 // 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	646 this_oop->link_methods(CHECK_false);
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	647
0 a61af66fc99e Initial load duke parents: diff changeset	648 // Initialize the vtable and interface table after
a61af66fc99e Initial load duke parents: diff changeset	649 // methods have been rewritten since rewrite may
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	650 // fabricate new Method*s.
0 a61af66fc99e Initial load duke parents: diff changeset	651 // also does loader constraint checking
a61af66fc99e Initial load duke parents: diff changeset	652 if (!this_oop()->is_shared()) {
a61af66fc99e Initial load duke parents: diff changeset	653 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	654 this_oop->vtable()->initialize_vtable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	655 this_oop->itable()->initialize_itable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	656 }
a61af66fc99e Initial load duke parents: diff changeset	657 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	658 else {
a61af66fc99e Initial load duke parents: diff changeset	659 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	660 this_oop->vtable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	661 // In case itable verification is ever added.
a61af66fc99e Initial load duke parents: diff changeset	662 // this_oop->itable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	663 }
a61af66fc99e Initial load duke parents: diff changeset	664 #endif
a61af66fc99e Initial load duke parents: diff changeset	665 this_oop->set_init_state(linked);
a61af66fc99e Initial load duke parents: diff changeset	666 if (JvmtiExport::should_post_class_prepare()) {
a61af66fc99e Initial load duke parents: diff changeset	667 Thread *thread = THREAD;
a61af66fc99e Initial load duke parents: diff changeset	668 assert(thread->is_Java_thread(), "thread->is_Java_thread()");
a61af66fc99e Initial load duke parents: diff changeset	669 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop());
a61af66fc99e Initial load duke parents: diff changeset	670 }
a61af66fc99e Initial load duke parents: diff changeset	671 }
a61af66fc99e Initial load duke parents: diff changeset	672 }
a61af66fc99e Initial load duke parents: diff changeset	673 return true;
a61af66fc99e Initial load duke parents: diff changeset	674 }
a61af66fc99e Initial load duke parents: diff changeset	675
a61af66fc99e Initial load duke parents: diff changeset	676
a61af66fc99e Initial load duke parents: diff changeset	677 // Rewrite the byte codes of all of the methods of a class.
a61af66fc99e Initial load duke parents: diff changeset	678 // The rewriter must be called exactly once. Rewriting must happen after
a61af66fc99e Initial load duke parents: diff changeset	679 // 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	680 void InstanceKlass::rewrite_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	681 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	682 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	683 if (this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	684 assert(this_oop()->is_shared(), "rewriting an unshared class?");
a61af66fc99e Initial load duke parents: diff changeset	685 return;
a61af66fc99e Initial load duke parents: diff changeset	686 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	687 Rewriter::rewrite(this_oop, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	688 this_oop->set_rewritten();
a61af66fc99e Initial load duke parents: diff changeset	689 }
a61af66fc99e Initial load duke parents: diff changeset	690
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	691 // 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	692 // 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	693 // 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	694 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	695 int len = methods()->length();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	696 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	697 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	698
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	699 // 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	700 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	701
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	702 // 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	703 #ifdef ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	704 if (StressMethodComparator) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	705 ResourceMark rm(THREAD);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	706 static int nmc = 0;
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	707 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	708 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	709 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	710 methods()->at(j));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	711 if (j == i && !z) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	712 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	713 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	714 }
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 #endif //ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	718 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	719 }
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	720
0 a61af66fc99e Initial load duke parents: diff changeset	721
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	722 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	723 // Make sure klass is linked (verified) before initialization
a61af66fc99e Initial load duke parents: diff changeset	724 // A class could already be verified, since it has been reflected upon.
a61af66fc99e Initial load duke parents: diff changeset	725 this_oop->link_class(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	726
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	727 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	728
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	729 bool wait = false;
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	730
0 a61af66fc99e Initial load duke parents: diff changeset	731 // refer to the JVM book page 47 for description of steps
a61af66fc99e Initial load duke parents: diff changeset	732 // Step 1
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	733 {
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12318 diff changeset	734 oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	735 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	736
a61af66fc99e Initial load duke parents: diff changeset	737 Thread *self = THREAD; // it's passed the current thread
a61af66fc99e Initial load duke parents: diff changeset	738
a61af66fc99e Initial load duke parents: diff changeset	739 // Step 2
a61af66fc99e Initial load duke parents: diff changeset	740 // If we were to use wait() instead of waitInterruptibly() then
a61af66fc99e Initial load duke parents: diff changeset	741 // we might end up throwing IE from link/symbol resolution sites
a61af66fc99e Initial load duke parents: diff changeset	742 // that aren't expected to throw. This would wreak havoc. See 6320309.
a61af66fc99e Initial load duke parents: diff changeset	743 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	744 wait = true;
0 a61af66fc99e Initial load duke parents: diff changeset	745 ol.waitUninterruptibly(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	746 }
a61af66fc99e Initial load duke parents: diff changeset	747
a61af66fc99e Initial load duke parents: diff changeset	748 // Step 3
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	749 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	750 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	751 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	752 }
0 a61af66fc99e Initial load duke parents: diff changeset	753
a61af66fc99e Initial load duke parents: diff changeset	754 // Step 4
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	755 if (this_oop->is_initialized()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	756 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	757 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	758 }
0 a61af66fc99e Initial load duke parents: diff changeset	759
a61af66fc99e Initial load duke parents: diff changeset	760 // Step 5
a61af66fc99e Initial load duke parents: diff changeset	761 if (this_oop->is_in_error_state()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	762 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	763 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	764 const char* desc = "Could not initialize class ";
a61af66fc99e Initial load duke parents: diff changeset	765 const char* className = this_oop->external_name();
a61af66fc99e Initial load duke parents: diff changeset	766 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	767 char* message = NEW_RESOURCE_ARRAY(char, msglen);
0 a61af66fc99e Initial load duke parents: diff changeset	768 if (NULL == message) {
a61af66fc99e Initial load duke parents: diff changeset	769 // Out of memory: can't create detailed error message
a61af66fc99e Initial load duke parents: diff changeset	770 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className);
a61af66fc99e Initial load duke parents: diff changeset	771 } else {
a61af66fc99e Initial load duke parents: diff changeset	772 jio_snprintf(message, msglen, "%s%s", desc, className);
a61af66fc99e Initial load duke parents: diff changeset	773 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message);
a61af66fc99e Initial load duke parents: diff changeset	774 }
a61af66fc99e Initial load duke parents: diff changeset	775 }
a61af66fc99e Initial load duke parents: diff changeset	776
a61af66fc99e Initial load duke parents: diff changeset	777 // Step 6
a61af66fc99e Initial load duke parents: diff changeset	778 this_oop->set_init_state(being_initialized);
a61af66fc99e Initial load duke parents: diff changeset	779 this_oop->set_init_thread(self);
a61af66fc99e Initial load duke parents: diff changeset	780 }
a61af66fc99e Initial load duke parents: diff changeset	781
a61af66fc99e Initial load duke parents: diff changeset	782 // Step 7
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	783 Klass* super_klass = this_oop->super();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	784 if (super_klass != NULL && !this_oop->is_interface() && super_klass->should_be_initialized()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	785 super_klass->initialize(THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	786
a61af66fc99e Initial load duke parents: diff changeset	787 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	788 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	789 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	790 {
a61af66fc99e Initial load duke parents: diff changeset	791 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	792 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	793 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	794 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	795 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	796 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	797 }
a61af66fc99e Initial load duke parents: diff changeset	798 }
a61af66fc99e Initial load duke parents: diff changeset	799
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	800 if (this_oop->has_default_methods()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	801 // Step 7.5: initialize any interfaces which have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	802 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	803 Klass* iface = this_oop->local_interfaces()->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	804 InstanceKlass* ik = InstanceKlass::cast(iface);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	805 if (ik->has_default_methods() && ik->should_be_initialized()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	806 ik->initialize(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	807
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	808 if (HAS_PENDING_EXCEPTION) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	809 Handle e(THREAD, PENDING_EXCEPTION);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	810 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	811 {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	812 EXCEPTION_MARK;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	813 // Locks object, set state, and notify all waiting threads
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	814 this_oop->set_initialization_state_and_notify(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	815 initialization_error, THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	816
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	817 // ignore any exception thrown, superclass initialization error is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	818 // thrown below
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	819 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	820 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	821 DTRACE_CLASSINIT_PROBE_WAIT(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	822 super__failed, InstanceKlass::cast(this_oop()), -1, wait);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	823 THROW_OOP(e());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	824 }
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
0 a61af66fc99e Initial load duke parents: diff changeset	829 // Step 8
a61af66fc99e Initial load duke parents: diff changeset	830 {
a61af66fc99e Initial load duke parents: diff changeset	831 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl");
a61af66fc99e Initial load duke parents: diff changeset	832 JavaThread* jt = (JavaThread*)THREAD;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	833 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	834 // Timer includes any side effects of class initialization (resolution,
a61af66fc99e Initial load duke parents: diff changeset	835 // 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	836 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	837 ClassLoader::perf_class_init_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	838 ClassLoader::perf_classes_inited(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	839 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	840 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	841 PerfClassTraceTime::CLASS_CLINIT);
0 a61af66fc99e Initial load duke parents: diff changeset	842 this_oop->call_class_initializer(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	843 }
a61af66fc99e Initial load duke parents: diff changeset	844
a61af66fc99e Initial load duke parents: diff changeset	845 // Step 9
a61af66fc99e Initial load duke parents: diff changeset	846 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	847 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	848 { ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	849 debug_only(this_oop->vtable()->verify(tty, true);)
a61af66fc99e Initial load duke parents: diff changeset	850 }
a61af66fc99e Initial load duke parents: diff changeset	851 }
a61af66fc99e Initial load duke parents: diff changeset	852 else {
a61af66fc99e Initial load duke parents: diff changeset	853 // Step 10 and 11
a61af66fc99e Initial load duke parents: diff changeset	854 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	855 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	856 {
a61af66fc99e Initial load duke parents: diff changeset	857 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	858 this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	859 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	860 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	861 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	862 if (e->is_a(SystemDictionary::Error_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	863 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	864 } else {
a61af66fc99e Initial load duke parents: diff changeset	865 JavaCallArguments args(e);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	866 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	867 vmSymbols::throwable_void_signature(),
0 a61af66fc99e Initial load duke parents: diff changeset	868 &args);
a61af66fc99e Initial load duke parents: diff changeset	869 }
a61af66fc99e Initial load duke parents: diff changeset	870 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	871 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	872 }
a61af66fc99e Initial load duke parents: diff changeset	873
a61af66fc99e Initial load duke parents: diff changeset	874
a61af66fc99e Initial load duke parents: diff changeset	875 // 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	876 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	877 instanceKlassHandle kh(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	878 set_initialization_state_and_notify_impl(kh, state, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	879 }
a61af66fc99e Initial load duke parents: diff changeset	880
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	881 void InstanceKlass::set_initialization_state_and_notify_impl(instanceKlassHandle this_oop, ClassState state, TRAPS) {
12811 3374b92de2d9 8025004: -XX:+CheckUnhandledOops asserts for JDK 8 Solaris fastdebug binaries coleenp parents: 12318 diff changeset	882 oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	883 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	884 this_oop->set_init_state(state);
a61af66fc99e Initial load duke parents: diff changeset	885 ol.notify_all(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	886 }
a61af66fc99e Initial load duke parents: diff changeset	887
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	888 // 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	889 // 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	890 // 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	891 // 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	892 // NULL - no implementor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	893 // 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	894 // 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	895 //
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	896 // The _implementor field only exists for interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	897 void InstanceKlass::add_implementor(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	898 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	899 assert(is_interface(), "not interface");
0 a61af66fc99e Initial load duke parents: diff changeset	900 // Filter out my subinterfaces.
a61af66fc99e Initial load duke parents: diff changeset	901 // (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	902 if (InstanceKlass::cast(k)->is_interface()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	903
a61af66fc99e Initial load duke parents: diff changeset	904 // Filter out subclasses whose supers already implement me.
a61af66fc99e Initial load duke parents: diff changeset	905 // (Note: CHA must walk subclasses of direct implementors
a61af66fc99e Initial load duke parents: diff changeset	906 // in order to locate indirect implementors.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	907 Klass* sk = InstanceKlass::cast(k)->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	908 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this))
0 a61af66fc99e Initial load duke parents: diff changeset	909 // We only need to check one immediate superclass, since the
a61af66fc99e Initial load duke parents: diff changeset	910 // implements_interface query looks at transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	911 // Any supers of the super have the same (or fewer) transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	912 return;
a61af66fc99e Initial load duke parents: diff changeset	913
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	914 Klass* ik = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	915 if (ik == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	916 set_implementor(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	917 } 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	918 // 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	919 // more than one implementors.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	920 set_implementor(this);
0 a61af66fc99e Initial load duke parents: diff changeset	921 }
a61af66fc99e Initial load duke parents: diff changeset	922
a61af66fc99e Initial load duke parents: diff changeset	923 // The implementor also implements the transitive_interfaces
a61af66fc99e Initial load duke parents: diff changeset	924 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	925 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k);
0 a61af66fc99e Initial load duke parents: diff changeset	926 }
a61af66fc99e Initial load duke parents: diff changeset	927 }
a61af66fc99e Initial load duke parents: diff changeset	928
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	929 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	930 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	931 set_implementor(NULL);
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	932 }
0 a61af66fc99e Initial load duke parents: diff changeset	933 }
a61af66fc99e Initial load duke parents: diff changeset	934
a61af66fc99e Initial load duke parents: diff changeset	935
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	936 void InstanceKlass::process_interfaces(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	937 // 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	938 Klass* this_as_klass_oop = this;
0 a61af66fc99e Initial load duke parents: diff changeset	939 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	940 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	941 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	942 assert(interf->is_interface(), "expected interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	943 interf->add_implementor(this_as_klass_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	944 }
a61af66fc99e Initial load duke parents: diff changeset	945 }
a61af66fc99e Initial load duke parents: diff changeset	946
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	947 bool InstanceKlass::can_be_primary_super_slow() const {
0 a61af66fc99e Initial load duke parents: diff changeset	948 if (is_interface())
a61af66fc99e Initial load duke parents: diff changeset	949 return false;
a61af66fc99e Initial load duke parents: diff changeset	950 else
a61af66fc99e Initial load duke parents: diff changeset	951 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	952 }
a61af66fc99e Initial load duke parents: diff changeset	953
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	954 GrowableArray<Klass> InstanceKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	955 // The secondaries are the implemented interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	956 InstanceKlass* ik = InstanceKlass::cast(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	957 Array<Klass> interfaces = ik->transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	958 int num_secondaries = num_extra_slots + interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	959 if (num_secondaries == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	960 // Must share this for correct bootstrapping!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	961 set_secondary_supers(Universe::the_empty_klass_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	962 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	963 } else if (num_extra_slots == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	964 // 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	965 // 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	966 set_secondary_supers(interfaces);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	967 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	968 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	969 // 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	970 // into the secondary super list with extra slots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	971 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(interfaces->length());
0 a61af66fc99e Initial load duke parents: diff changeset	972 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	973 secondaries->push(interfaces->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	974 }
a61af66fc99e Initial load duke parents: diff changeset	975 return secondaries;
a61af66fc99e Initial load duke parents: diff changeset	976 }
a61af66fc99e Initial load duke parents: diff changeset	977 }
a61af66fc99e Initial load duke parents: diff changeset	978
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	979 bool InstanceKlass::compute_is_subtype_of(Klass* k) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	980 if (k->is_interface()) {
0 a61af66fc99e Initial load duke parents: diff changeset	981 return implements_interface(k);
a61af66fc99e Initial load duke parents: diff changeset	982 } else {
a61af66fc99e Initial load duke parents: diff changeset	983 return Klass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	984 }
a61af66fc99e Initial load duke parents: diff changeset	985 }
a61af66fc99e Initial load duke parents: diff changeset	986
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	987 bool InstanceKlass::implements_interface(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	988 if (this == k) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	989 assert(k->is_interface(), "should be an interface class");
0 a61af66fc99e Initial load duke parents: diff changeset	990 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	991 if (transitive_interfaces()->at(i) == k) {
0 a61af66fc99e Initial load duke parents: diff changeset	992 return true;
a61af66fc99e Initial load duke parents: diff changeset	993 }
a61af66fc99e Initial load duke parents: diff changeset	994 }
a61af66fc99e Initial load duke parents: diff changeset	995 return false;
a61af66fc99e Initial load duke parents: diff changeset	996 }
a61af66fc99e Initial load duke parents: diff changeset	997
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	998 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	999 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	1000 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	1001 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	1002 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	1003 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	1004 }
a61af66fc99e Initial load duke parents: diff changeset	1005 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1006 Klass* ak = array_klass(n, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1007 KlassHandle h_ak (THREAD, ak);
a61af66fc99e Initial load duke parents: diff changeset	1008 objArrayOop o =
a61af66fc99e Initial load duke parents: diff changeset	1009 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1010 return o;
a61af66fc99e Initial load duke parents: diff changeset	1011 }
a61af66fc99e Initial load duke parents: diff changeset	1012
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1013 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1014 if (TraceFinalizerRegistration) {
a61af66fc99e Initial load duke parents: diff changeset	1015 tty->print("Registered ");
a61af66fc99e Initial load duke parents: diff changeset	1016 i->print_value_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	1017 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i);
a61af66fc99e Initial load duke parents: diff changeset	1018 }
a61af66fc99e Initial load duke parents: diff changeset	1019 instanceHandle h_i(THREAD, i);
a61af66fc99e Initial load duke parents: diff changeset	1020 // Pass the handle as argument, JavaCalls::call expects oop as jobjects
a61af66fc99e Initial load duke parents: diff changeset	1021 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1022 JavaCallArguments args(h_i);
a61af66fc99e Initial load duke parents: diff changeset	1023 methodHandle mh (THREAD, Universe::finalizer_register_method());
a61af66fc99e Initial load duke parents: diff changeset	1024 JavaCalls::call(&result, mh, &args, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1025 return h_i();
a61af66fc99e Initial load duke parents: diff changeset	1026 }
a61af66fc99e Initial load duke parents: diff changeset	1027
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1028 instanceOop InstanceKlass::allocate_instance(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1029 bool has_finalizer_flag = has_finalizer(); // Query before possible GC
a61af66fc99e Initial load duke parents: diff changeset	1030 int size = size_helper(); // Query before forming handle.
a61af66fc99e Initial load duke parents: diff changeset	1031
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1032 KlassHandle h_k(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1033
a61af66fc99e Initial load duke parents: diff changeset	1034 instanceOop i;
a61af66fc99e Initial load duke parents: diff changeset	1035
a61af66fc99e Initial load duke parents: diff changeset	1036 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1037 if (has_finalizer_flag && !RegisterFinalizersAtInit) {
a61af66fc99e Initial load duke parents: diff changeset	1038 i = register_finalizer(i, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1039 }
a61af66fc99e Initial load duke parents: diff changeset	1040 return i;
a61af66fc99e Initial load duke parents: diff changeset	1041 }
a61af66fc99e Initial load duke parents: diff changeset	1042
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1043 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1044 if (is_interface() \|\| is_abstract()) {
a61af66fc99e Initial load duke parents: diff changeset	1045 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1046 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
a61af66fc99e Initial load duke parents: diff changeset	1047 : vmSymbols::java_lang_InstantiationException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1048 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1049 if (this == SystemDictionary::Class_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1050 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1051 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
a61af66fc99e Initial load duke parents: diff changeset	1052 : vmSymbols::java_lang_IllegalAccessException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1053 }
a61af66fc99e Initial load duke parents: diff changeset	1054 }
a61af66fc99e Initial load duke parents: diff changeset	1055
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1056 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	1057 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1058 return array_klass_impl(this_oop, or_null, n, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1059 }
a61af66fc99e Initial load duke parents: diff changeset	1060
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1061 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1062 if (this_oop->array_klasses() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1063 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1064
a61af66fc99e Initial load duke parents: diff changeset	1065 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1066 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	1067 {
a61af66fc99e Initial load duke parents: diff changeset	1068 // Atomic creation of array_klasses
a61af66fc99e Initial load duke parents: diff changeset	1069 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	1070 MutexLocker ma(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1071
a61af66fc99e Initial load duke parents: diff changeset	1072 // Check if update has already taken place
a61af66fc99e Initial load duke parents: diff changeset	1073 if (this_oop->array_klasses() == NULL) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1074 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1075 this_oop->set_array_klasses(k);
a61af66fc99e Initial load duke parents: diff changeset	1076 }
a61af66fc99e Initial load duke parents: diff changeset	1077 }
a61af66fc99e Initial load duke parents: diff changeset	1078 }
a61af66fc99e Initial load duke parents: diff changeset	1079 // _this will always be set at this point
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1080 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses();
0 a61af66fc99e Initial load duke parents: diff changeset	1081 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	1082 return oak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	1083 }
a61af66fc99e Initial load duke parents: diff changeset	1084 return oak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1085 }
a61af66fc99e Initial load duke parents: diff changeset	1086
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1087 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1088 return array_klass_impl(or_null, 1, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1089 }
a61af66fc99e Initial load duke parents: diff changeset	1090
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1091 void InstanceKlass::call_class_initializer(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1092 instanceKlassHandle ik (THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1093 call_class_initializer_impl(ik, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1094 }
a61af66fc99e Initial load duke parents: diff changeset	1095
a61af66fc99e Initial load duke parents: diff changeset	1096 static int call_class_initializer_impl_counter = 0; // for debugging
a61af66fc99e Initial load duke parents: diff changeset	1097
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1098 Method* InstanceKlass::class_initializer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1099 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	1100 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	1101 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	1102 return clinit;
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1103 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1104 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1105 }
a61af66fc99e Initial load duke parents: diff changeset	1106
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1107 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	1108 if (ReplayCompiles &&
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1109 (ReplaySuppressInitializers == 1 \|\|
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1110 ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1111 // 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	1112 return;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1113 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1114
0 a61af66fc99e Initial load duke parents: diff changeset	1115 methodHandle h_method(THREAD, this_oop->class_initializer());
a61af66fc99e Initial load duke parents: diff changeset	1116 assert(!this_oop->is_initialized(), "we cannot initialize twice");
a61af66fc99e Initial load duke parents: diff changeset	1117 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	1118 tty->print("%d Initializing ", call_class_initializer_impl_counter++);
a61af66fc99e Initial load duke parents: diff changeset	1119 this_oop->name()->print_value();
a61af66fc99e Initial load duke parents: diff changeset	1120 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop());
a61af66fc99e Initial load duke parents: diff changeset	1121 }
a61af66fc99e Initial load duke parents: diff changeset	1122 if (h_method() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1123 JavaCallArguments args; // No arguments
a61af66fc99e Initial load duke parents: diff changeset	1124 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1125 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args)
a61af66fc99e Initial load duke parents: diff changeset	1126 }
a61af66fc99e Initial load duke parents: diff changeset	1127 }
a61af66fc99e Initial load duke parents: diff changeset	1128
a61af66fc99e Initial load duke parents: diff changeset	1129
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1130 void InstanceKlass::mask_for(methodHandle method, int bci,
0 a61af66fc99e Initial load duke parents: diff changeset	1131 InterpreterOopMap* entry_for) {
a61af66fc99e Initial load duke parents: diff changeset	1132 // Dirty read, then double-check under a lock.
a61af66fc99e Initial load duke parents: diff changeset	1133 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1134 // Otherwise, allocate a new one.
a61af66fc99e Initial load duke parents: diff changeset	1135 MutexLocker x(OopMapCacheAlloc_lock);
a61af66fc99e Initial load duke parents: diff changeset	1136 // First time use. Allocate a cache in C heap
a61af66fc99e Initial load duke parents: diff changeset	1137 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1138 _oop_map_cache = new OopMapCache();
a61af66fc99e Initial load duke parents: diff changeset	1139 }
a61af66fc99e Initial load duke parents: diff changeset	1140 }
a61af66fc99e Initial load duke parents: diff changeset	1141 // _oop_map_cache is constant after init; lookup below does is own locking.
a61af66fc99e Initial load duke parents: diff changeset	1142 _oop_map_cache->lookup(method, bci, entry_for);
a61af66fc99e Initial load duke parents: diff changeset	1143 }
a61af66fc99e Initial load duke parents: diff changeset	1144
a61af66fc99e Initial load duke parents: diff changeset	1145
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1146 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	1147 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1148 Symbol* f_name = fs.name();
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1149 Symbol* f_sig = fs.signature();
0 a61af66fc99e Initial load duke parents: diff changeset	1150 if (f_name == name && f_sig == sig) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1151 fd->reinitialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1152 return true;
a61af66fc99e Initial load duke parents: diff changeset	1153 }
a61af66fc99e Initial load duke parents: diff changeset	1154 }
a61af66fc99e Initial load duke parents: diff changeset	1155 return false;
a61af66fc99e Initial load duke parents: diff changeset	1156 }
a61af66fc99e Initial load duke parents: diff changeset	1157
a61af66fc99e Initial load duke parents: diff changeset	1158
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1159 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1160 const int n = local_interfaces()->length();
a61af66fc99e Initial load duke parents: diff changeset	1161 for (int i = 0; i < n; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1162 Klass* intf1 = local_interfaces()->at(i);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1163 assert(intf1->is_interface(), "just checking type");
0 a61af66fc99e Initial load duke parents: diff changeset	1164 // search for field in current interface
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1165 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1166 assert(fd->is_static(), "interface field must be static");
a61af66fc99e Initial load duke parents: diff changeset	1167 return intf1;
a61af66fc99e Initial load duke parents: diff changeset	1168 }
a61af66fc99e Initial load duke parents: diff changeset	1169 // search for field in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1170 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1171 if (intf2 != NULL) return intf2;
a61af66fc99e Initial load duke parents: diff changeset	1172 }
a61af66fc99e Initial load duke parents: diff changeset	1173 // otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1174 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1175 }
a61af66fc99e Initial load duke parents: diff changeset	1176
a61af66fc99e Initial load duke parents: diff changeset	1177
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1178 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1179 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1180 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1181 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1182 return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1183 }
a61af66fc99e Initial load duke parents: diff changeset	1184 // 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	1185 { Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1186 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1187 }
a61af66fc99e Initial load duke parents: diff changeset	1188 // 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	1189 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1190 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1191 }
a61af66fc99e Initial load duke parents: diff changeset	1192 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1193 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1194 }
a61af66fc99e Initial load duke parents: diff changeset	1195
a61af66fc99e Initial load duke parents: diff changeset	1196
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1197 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1198 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1199 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1200 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1201 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1202 }
a61af66fc99e Initial load duke parents: diff changeset	1203 // 2) search for field recursively in direct superinterfaces
a61af66fc99e Initial load duke parents: diff changeset	1204 if (is_static) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1205 Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1206 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1207 }
a61af66fc99e Initial load duke parents: diff changeset	1208 // 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	1209 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1210 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1211 }
a61af66fc99e Initial load duke parents: diff changeset	1212 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1213 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1214 }
a61af66fc99e Initial load duke parents: diff changeset	1215
a61af66fc99e Initial load duke parents: diff changeset	1216
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1217 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	1218 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1219 if (fs.offset() == offset) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1220 fd->reinitialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1221 if (fd->is_static() == is_static) return true;
a61af66fc99e Initial load duke parents: diff changeset	1222 }
a61af66fc99e Initial load duke parents: diff changeset	1223 }
a61af66fc99e Initial load duke parents: diff changeset	1224 return false;
a61af66fc99e Initial load duke parents: diff changeset	1225 }
a61af66fc99e Initial load duke parents: diff changeset	1226
a61af66fc99e Initial load duke parents: diff changeset	1227
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1228 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	1229 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1230 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1231 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1232 return true;
a61af66fc99e Initial load duke parents: diff changeset	1233 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1234 klass = klass->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1235 }
a61af66fc99e Initial load duke parents: diff changeset	1236 return false;
a61af66fc99e Initial load duke parents: diff changeset	1237 }
a61af66fc99e Initial load duke parents: diff changeset	1238
a61af66fc99e Initial load duke parents: diff changeset	1239
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1240 void InstanceKlass::methods_do(void f(Method* method)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1241 int len = methods()->length();
a61af66fc99e Initial load duke parents: diff changeset	1242 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1243 Method* m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1244 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1245 f(m);
a61af66fc99e Initial load duke parents: diff changeset	1246 }
a61af66fc99e Initial load duke parents: diff changeset	1247 }
a61af66fc99e Initial load duke parents: diff changeset	1248
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1249
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1250 void InstanceKlass::do_local_static_fields(FieldClosure* cl) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1251 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1252 if (fs.access_flags().is_static()) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1253 fieldDescriptor& fd = fs.field_descriptor();
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1254 cl->do_field(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1255 }
0 a61af66fc99e Initial load duke parents: diff changeset	1256 }
a61af66fc99e Initial load duke parents: diff changeset	1257 }
a61af66fc99e Initial load duke parents: diff changeset	1258
a61af66fc99e Initial load duke parents: diff changeset	1259
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1260 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	1261 instanceKlassHandle h_this(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1262 do_local_static_fields_impl(h_this, f, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	1263 }
a61af66fc99e Initial load duke parents: diff changeset	1264
a61af66fc99e Initial load duke parents: diff changeset	1265
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1266 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	1267 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1268 if (fs.access_flags().is_static()) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1269 fieldDescriptor& fd = fs.field_descriptor();
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1270 f(&fd, CHECK);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1271 }
0 a61af66fc99e Initial load duke parents: diff changeset	1272 }
a61af66fc99e Initial load duke parents: diff changeset	1273 }
a61af66fc99e Initial load duke parents: diff changeset	1274
a61af66fc99e Initial load duke parents: diff changeset	1275
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1276 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	1277 return a[0] - b[0];
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1278 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1279
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1280 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1281 InstanceKlass* super = superklass();
0 a61af66fc99e Initial load duke parents: diff changeset	1282 if (super != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1283 super->do_nonstatic_fields(cl);
a61af66fc99e Initial load duke parents: diff changeset	1284 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1285 fieldDescriptor fd;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1286 int length = java_fields_count();
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1287 // In DebugInfo nonstatic fields are sorted by offset.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1288 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	1289 int j = 0;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1290 for (int i = 0; i < length; i += 1) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1291 fd.reinitialize(this, i);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1292 if (!fd.is_static()) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1293 fields_sorted[j + 0] = fd.offset();
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1294 fields_sorted[j + 1] = i;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1295 j += 2;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1296 }
0 a61af66fc99e Initial load duke parents: diff changeset	1297 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1298 if (j > 0) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1299 length = j;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1300 // _sort_Fn is defined in growableArray.hpp.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1301 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	1302 for (int i = 0; i < length; i += 2) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	1303 fd.reinitialize(this, fields_sorted[i + 1]);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1304 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	1305 cl->do_field(&fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1306 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1307 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1308 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1309 }
a61af66fc99e Initial load duke parents: diff changeset	1310
a61af66fc99e Initial load duke parents: diff changeset	1311
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1312 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	1313 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1314 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	1315 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1316
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1317 void InstanceKlass::array_klasses_do(void f(Klass* k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1318 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1319 ArrayKlass::cast(array_klasses())->array_klasses_do(f);
0 a61af66fc99e Initial load duke parents: diff changeset	1320 }
a61af66fc99e Initial load duke parents: diff changeset	1321
a61af66fc99e Initial load duke parents: diff changeset	1322 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1323 static int linear_search(Array<Method> methods, Symbol* name, Symbol* signature) {
0 a61af66fc99e Initial load duke parents: diff changeset	1324 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1325 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1326 Method* m = methods->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1327 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1328 if (m->signature() == signature && m->name() == name) {
a61af66fc99e Initial load duke parents: diff changeset	1329 return index;
a61af66fc99e Initial load duke parents: diff changeset	1330 }
a61af66fc99e Initial load duke parents: diff changeset	1331 }
a61af66fc99e Initial load duke parents: diff changeset	1332 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1333 }
a61af66fc99e Initial load duke parents: diff changeset	1334 #endif
a61af66fc99e Initial load duke parents: diff changeset	1335
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1336 static int binary_search(Array<Method> methods, Symbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	1337 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1338 // methods are sorted, so do binary search
a61af66fc99e Initial load duke parents: diff changeset	1339 int l = 0;
a61af66fc99e Initial load duke parents: diff changeset	1340 int h = len - 1;
a61af66fc99e Initial load duke parents: diff changeset	1341 while (l <= h) {
a61af66fc99e Initial load duke parents: diff changeset	1342 int mid = (l + h) >> 1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1343 Method* m = methods->at(mid);
0 a61af66fc99e Initial load duke parents: diff changeset	1344 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1345 int res = m->name()->fast_compare(name);
a61af66fc99e Initial load duke parents: diff changeset	1346 if (res == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1347 return mid;
0 a61af66fc99e Initial load duke parents: diff changeset	1348 } else if (res < 0) {
a61af66fc99e Initial load duke parents: diff changeset	1349 l = mid + 1;
a61af66fc99e Initial load duke parents: diff changeset	1350 } else {
a61af66fc99e Initial load duke parents: diff changeset	1351 h = mid - 1;
a61af66fc99e Initial load duke parents: diff changeset	1352 }
a61af66fc99e Initial load duke parents: diff changeset	1353 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1354 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1355 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1356
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1357 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1358 return InstanceKlass::find_method(methods(), name, signature);
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
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1361 Method* InstanceKlass::find_method(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1362 Array<Method> methods, Symbol* name, Symbol* signature) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1363 int hit = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1364 if (hit != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1365 Method* m = methods->at(hit);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1366 // Do linear search to find matching signature. First, quick check
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1367 // for common case
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1368 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1369 // search downwards through overloaded methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1370 int i;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1371 for (i = hit - 1; i >= 0; --i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1372 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1373 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1374 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1375 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1376 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1377 // search upwards
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1378 for (i = hit + 1; i < methods->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1379 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1380 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1381 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1382 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1383 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1384 // not found
0 a61af66fc99e Initial load duke parents: diff changeset	1385 #ifdef ASSERT
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1386 int index = linear_search(methods, name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1387 assert(index == -1, err_msg("binary search should have found entry %d", index));
0 a61af66fc99e Initial load duke parents: diff changeset	1388 #endif
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1389 }
0 a61af66fc99e Initial load duke parents: diff changeset	1390 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1391 }
a61af66fc99e Initial load duke parents: diff changeset	1392
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1393 int InstanceKlass::find_method_by_name(Symbol* name, int* end) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1394 return find_method_by_name(methods(), name, end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1395 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1396
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1397 int InstanceKlass::find_method_by_name(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1398 Array<Method> methods, Symbol* name, int* end_ptr) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1399 assert(end_ptr != NULL, "just checking");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1400 int start = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1401 int end = start + 1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1402 if (start != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1403 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1404 while (end < methods->length() && (methods->at(end))->name() == name) ++end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1405 *end_ptr = end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1406 return start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1407 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1408 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1409 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1410
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1411 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	1412 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1413 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1414 Method* method = InstanceKlass::cast(klass)->find_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1415 if (method != NULL) return method;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1416 klass = InstanceKlass::cast(klass)->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1417 }
a61af66fc99e Initial load duke parents: diff changeset	1418 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1419 }
a61af66fc99e Initial load duke parents: diff changeset	1420
a61af66fc99e Initial load duke parents: diff changeset	1421 // lookup a method in all the interfaces that this class implements
12318 36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default. acorn parents: 12316 diff changeset	1422 // Do NOT return private or static methods, new in JDK8 which are not externally visible
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default. acorn parents: 12316 diff changeset	1423 // They should only be found in the initial InterfaceMethodRef
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1424 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	1425 Symbol* signature) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1426 Array<Klass> all_ifs = transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	1427 int num_ifs = all_ifs->length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1428 InstanceKlass *ik = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1429 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	1430 ik = InstanceKlass::cast(all_ifs->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1431 Method* m = ik->lookup_method(name, signature);
12318 36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default. acorn parents: 12316 diff changeset	1432 if (m != NULL && m->is_public() && !m->is_static()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1433 return m;
a61af66fc99e Initial load duke parents: diff changeset	1434 }
a61af66fc99e Initial load duke parents: diff changeset	1435 }
a61af66fc99e Initial load duke parents: diff changeset	1436 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1437 }
a61af66fc99e Initial load duke parents: diff changeset	1438
a61af66fc99e Initial load duke parents: diff changeset	1439 /* jni_id_for_impl for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1440 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1441 MutexLocker ml(JfieldIdCreation_lock);
a61af66fc99e Initial load duke parents: diff changeset	1442 // Retry lookup after we got the lock
a61af66fc99e Initial load duke parents: diff changeset	1443 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1444 if (probe == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1445 // Slow case, allocate new static field identifier
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1446 probe = new JNIid(this_oop(), offset, this_oop->jni_ids());
0 a61af66fc99e Initial load duke parents: diff changeset	1447 this_oop->set_jni_ids(probe);
a61af66fc99e Initial load duke parents: diff changeset	1448 }
a61af66fc99e Initial load duke parents: diff changeset	1449 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1450 }
a61af66fc99e Initial load duke parents: diff changeset	1451
a61af66fc99e Initial load duke parents: diff changeset	1452
a61af66fc99e Initial load duke parents: diff changeset	1453 /* jni_id_for for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1454 JNIid* InstanceKlass::jni_id_for(int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1455 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1456 if (probe == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1457 probe = jni_id_for_impl(this, offset);
0 a61af66fc99e Initial load duke parents: diff changeset	1458 }
a61af66fc99e Initial load duke parents: diff changeset	1459 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1460 }
a61af66fc99e Initial load duke parents: diff changeset	1461
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1462 u2 InstanceKlass::enclosing_method_data(int offset) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1463 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	1464 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	1465 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1466 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1467 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	1468 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	1469 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1470 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1471 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	1472 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	1473 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	1474 }
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
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1477 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	1478 u2 method_index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1479 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	1480 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	1481 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	1482 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	1483 int index = length - enclosing_method_attribute_size;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1484 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	1485 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	1486 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	1487 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	1488 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1489 }
0 a61af66fc99e Initial load duke parents: diff changeset	1490
a61af66fc99e Initial load duke parents: diff changeset	1491 // Lookup or create a jmethodID.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1492 // 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	1493 // 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	1494 // and/or other cache consistency problems.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1495 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1496 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) {
0 a61af66fc99e Initial load duke parents: diff changeset	1497 size_t idnum = (size_t)method_h->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1498 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1499 size_t length = 0;
a61af66fc99e Initial load duke parents: diff changeset	1500 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1501
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1502 // 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	1503 // 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	1504 // 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	1505 // 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	1506 // 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	1507 // 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	1508 // 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	1509 // 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	1510 // 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	1511 // 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	1512 // generally acquired in those two cases.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1513 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1514 // 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	1515 // 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	1516 // 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	1517 // 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	1518 // acquired when the RedefineClasses() API has been used.
0 a61af66fc99e Initial load duke parents: diff changeset	1519
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1520 if (jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1521 // the cache already exists
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1522 if (!ik_h->idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1523 // 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	1524 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	1525 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1526 // 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	1527 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1528 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1529 // 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	1530 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	1531 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1532 MutexLocker ml(JmethodIdCreation_lock);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1533 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	1534 }
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 // implied else:
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1538 // we need to allocate a cache so default length and id values are good
0 a61af66fc99e Initial load duke parents: diff changeset	1539
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1540 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1541 length <= idnum \|\| // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1542 id == NULL) { // cache doesn't contain entry
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1543
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1544 // 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	1545 // 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	1546 // 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	1547 // 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	1548 // to free after the lock is dropped.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1549 jmethodID to_dealloc_id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1550 jmethodID* to_dealloc_jmeths = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1551
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1552 // may not allocate new_jmeths or use it if we allocate it
0 a61af66fc99e Initial load duke parents: diff changeset	1553 jmethodID* new_jmeths = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1554 if (length <= idnum) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1555 // allocate a new cache that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1556 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	1557 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1558 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	1559 // 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	1560 new_jmeths[0] = (jmethodID)size;
0 a61af66fc99e Initial load duke parents: diff changeset	1561 }
a61af66fc99e Initial load duke parents: diff changeset	1562
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1563 // allocate a new jmethodID that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1564 jmethodID new_id = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1565 if (method_h->is_old() && !method_h->is_obsolete()) {
a61af66fc99e Initial load duke parents: diff changeset	1566 // 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	1567 Method* current_method = ik_h->method_with_idnum((int)idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	1568 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	1569 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method);
0 a61af66fc99e Initial load duke parents: diff changeset	1570 } else {
a61af66fc99e Initial load duke parents: diff changeset	1571 // It is the current version of the method or an obsolete method,
a61af66fc99e Initial load duke parents: diff changeset	1572 // use the version passed in
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1573 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h());
0 a61af66fc99e Initial load duke parents: diff changeset	1574 }
a61af66fc99e Initial load duke parents: diff changeset	1575
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1576 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1577 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1578 // 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	1579 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	1580 &to_dealloc_id, &to_dealloc_jmeths);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1581 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	1582 MutexLocker ml(JmethodIdCreation_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1583 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	1584 &to_dealloc_id, &to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1585 }
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 // 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	1588 // 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	1589 if (to_dealloc_jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1590 FreeHeap(to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1591 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1592 // 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	1593 if (to_dealloc_id != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1594 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	1595 }
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 return id;
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1598 }
0 a61af66fc99e Initial load duke parents: diff changeset	1599
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1600
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1601 // 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	1602 // 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	1603 // 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	1604 // the VMThread or have cache consistency issues.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1605 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1606 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	1607 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	1608 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	1609 jmethodID** to_dealloc_jmeths_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1610 assert(new_id != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1611 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	1612 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	1613 assert(Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1614 SafepointSynchronize::is_at_safepoint() \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1615 JmethodIdCreation_lock->owned_by_self(), "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1616
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1617 // 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	1618 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	1619 jmethodID id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1620 size_t length = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	1621
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1622 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1623 (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	1624 if (jmeths != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1625 // 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	1626 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	1627 new_jmeths[index+1] = jmeths[index+1];
0 a61af66fc99e Initial load duke parents: diff changeset	1628 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1629 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1630 }
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1631 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	1632 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1633 // 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	1634 id = jmeths[idnum+1];
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1635 *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	1636 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1637 if (id == NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1638 // 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	1639 // 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	1640 // 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	1641 // 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	1642 id = new_id;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1643
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1644 // 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	1645 // 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	1646 // in the cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1647 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	1648 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1649 *to_dealloc_id_p = new_id; // save new id for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1650 }
a61af66fc99e Initial load duke parents: diff changeset	1651 return id;
a61af66fc99e Initial load duke parents: diff changeset	1652 }
a61af66fc99e Initial load duke parents: diff changeset	1653
a61af66fc99e Initial load duke parents: diff changeset	1654
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1655 // 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	1656 // 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	1657 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1658 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	1659 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	1660 assert(cache != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1661 assert(length_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1662 assert(id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1663
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1664 // 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	1665 *length_p = (size_t)cache[0];
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1666 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	1667 *id_p = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1668 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1669 *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	1670 }
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
0 a61af66fc99e Initial load duke parents: diff changeset	1674 // 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	1675 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) {
0 a61af66fc99e Initial load duke parents: diff changeset	1676 size_t idnum = (size_t)method->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1677 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1678 size_t length; // length assigned as debugging crumb
a61af66fc99e Initial load duke parents: diff changeset	1679 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1680 if (jmeths != NULL && // If there is a cache
0 a61af66fc99e Initial load duke parents: diff changeset	1681 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough,
a61af66fc99e Initial load duke parents: diff changeset	1682 id = jmeths[idnum+1]; // Look up the id (may be NULL)
a61af66fc99e Initial load duke parents: diff changeset	1683 }
a61af66fc99e Initial load duke parents: diff changeset	1684 return id;
a61af66fc99e Initial load duke parents: diff changeset	1685 }
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 // 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	1690 // are dependent on the changes that were passed in and mark them for
0 a61af66fc99e Initial load duke parents: diff changeset	1691 // deoptimization. Returns the number of nmethods found.
a61af66fc99e Initial load duke parents: diff changeset	1692 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1693 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) {
0 a61af66fc99e Initial load duke parents: diff changeset	1694 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1695 int found = 0;
a61af66fc99e Initial load duke parents: diff changeset	1696 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1697 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1698 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1699 // since dependencies aren't removed until an nmethod becomes a zombie,
a61af66fc99e Initial load duke parents: diff changeset	1700 // the dependency list may contain nmethods which aren't alive.
a61af66fc99e Initial load duke parents: diff changeset	1701 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) {
a61af66fc99e Initial load duke parents: diff changeset	1702 if (TraceDependencies) {
a61af66fc99e Initial load duke parents: diff changeset	1703 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1704 tty->print_cr("Marked for deoptimization");
a61af66fc99e Initial load duke parents: diff changeset	1705 tty->print_cr(" context = %s", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1706 changes.print();
a61af66fc99e Initial load duke parents: diff changeset	1707 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1708 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1709 }
a61af66fc99e Initial load duke parents: diff changeset	1710 nm->mark_for_deoptimization();
a61af66fc99e Initial load duke parents: diff changeset	1711 found++;
a61af66fc99e Initial load duke parents: diff changeset	1712 }
a61af66fc99e Initial load duke parents: diff changeset	1713 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1714 }
a61af66fc99e Initial load duke parents: diff changeset	1715 return found;
a61af66fc99e Initial load duke parents: diff changeset	1716 }
a61af66fc99e Initial load duke parents: diff changeset	1717
a61af66fc99e Initial load duke parents: diff changeset	1718
a61af66fc99e Initial load duke parents: diff changeset	1719 //
a61af66fc99e Initial load duke parents: diff changeset	1720 // Add an nmethodBucket to the list of dependencies for this nmethod.
a61af66fc99e Initial load duke parents: diff changeset	1721 // It's possible that an nmethod has multiple dependencies on this klass
a61af66fc99e Initial load duke parents: diff changeset	1722 // so a count is kept for each bucket to guarantee that creation and
a61af66fc99e Initial load duke parents: diff changeset	1723 // deletion of dependencies is consistent.
a61af66fc99e Initial load duke parents: diff changeset	1724 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1725 void InstanceKlass::add_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1726 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1727 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1728 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1729 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1730 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1731 b->increment();
a61af66fc99e Initial load duke parents: diff changeset	1732 return;
a61af66fc99e Initial load duke parents: diff changeset	1733 }
a61af66fc99e Initial load duke parents: diff changeset	1734 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1735 }
a61af66fc99e Initial load duke parents: diff changeset	1736 _dependencies = new nmethodBucket(nm, _dependencies);
a61af66fc99e Initial load duke parents: diff changeset	1737 }
a61af66fc99e Initial load duke parents: diff changeset	1738
a61af66fc99e Initial load duke parents: diff changeset	1739
a61af66fc99e Initial load duke parents: diff changeset	1740 //
a61af66fc99e Initial load duke parents: diff changeset	1741 // Decrement count of the nmethod in the dependency list and remove
a61af66fc99e Initial load duke parents: diff changeset	1742 // the bucket competely when the count goes to 0. This method must
a61af66fc99e Initial load duke parents: diff changeset	1743 // find a corresponding bucket otherwise there's a bug in the
a61af66fc99e Initial load duke parents: diff changeset	1744 // recording of dependecies.
a61af66fc99e Initial load duke parents: diff changeset	1745 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1746 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1747 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1748 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1749 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1750 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1751 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1752 if (b->decrement() == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1753 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1754 _dependencies = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1755 } else {
a61af66fc99e Initial load duke parents: diff changeset	1756 last->set_next(b->next());
a61af66fc99e Initial load duke parents: diff changeset	1757 }
a61af66fc99e Initial load duke parents: diff changeset	1758 delete b;
a61af66fc99e Initial load duke parents: diff changeset	1759 }
a61af66fc99e Initial load duke parents: diff changeset	1760 return;
a61af66fc99e Initial load duke parents: diff changeset	1761 }
a61af66fc99e Initial load duke parents: diff changeset	1762 last = b;
a61af66fc99e Initial load duke parents: diff changeset	1763 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1764 }
a61af66fc99e Initial load duke parents: diff changeset	1765 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1766 tty->print_cr("### %s can't find dependent nmethod:", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1767 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1768 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1769 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1770 }
a61af66fc99e Initial load duke parents: diff changeset	1771
a61af66fc99e Initial load duke parents: diff changeset	1772
a61af66fc99e Initial load duke parents: diff changeset	1773 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1774 void InstanceKlass::print_dependent_nmethods(bool verbose) {
0 a61af66fc99e Initial load duke parents: diff changeset	1775 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1776 int idx = 0;
a61af66fc99e Initial load duke parents: diff changeset	1777 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1778 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1779 tty->print("[%d] count=%d { ", idx++, b->count());
a61af66fc99e Initial load duke parents: diff changeset	1780 if (!verbose) {
a61af66fc99e Initial load duke parents: diff changeset	1781 nm->print_on(tty, "nmethod");
a61af66fc99e Initial load duke parents: diff changeset	1782 tty->print_cr(" } ");
a61af66fc99e Initial load duke parents: diff changeset	1783 } else {
a61af66fc99e Initial load duke parents: diff changeset	1784 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1785 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1786 tty->print_cr("--- } ");
a61af66fc99e Initial load duke parents: diff changeset	1787 }
a61af66fc99e Initial load duke parents: diff changeset	1788 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1789 }
a61af66fc99e Initial load duke parents: diff changeset	1790 }
a61af66fc99e Initial load duke parents: diff changeset	1791
a61af66fc99e Initial load duke parents: diff changeset	1792
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1793 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1794 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1795 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1796 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1797 return true;
a61af66fc99e Initial load duke parents: diff changeset	1798 }
a61af66fc99e Initial load duke parents: diff changeset	1799 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1800 }
a61af66fc99e Initial load duke parents: diff changeset	1801 return false;
a61af66fc99e Initial load duke parents: diff changeset	1802 }
a61af66fc99e Initial load duke parents: diff changeset	1803 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1804
a61af66fc99e Initial load duke parents: diff changeset	1805
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1806 // Garbage collection
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1807
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1808 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1809 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	1810 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	1811 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	1812 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	1813 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	1814 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1815 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1816 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	1817 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	1818 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	1819 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	1820 assert(Universe::heap()->is_in_closed_subset(o),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1821 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	1822 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1823 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1824 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	1825 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	1826 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	1827 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	1828 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	1829 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1830 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1831 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	1832
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1833 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1834 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	1835 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	1836 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	1837 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	1838 #endif // ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1839
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1840 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1841 // 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	1842 // 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	1843 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1844 // Parameters are:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1845 // 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	1846 // 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	1847 // 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	1848 // 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	1849 // 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	1850 // it a template function)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1851 // 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	1852 // doesn't matter when enabled.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1853 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1854 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	1855 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1856 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1857 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1858 T* const end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1859 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1860 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1861 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1862 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1863 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1864 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1865
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1866 #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	1867 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	1868 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1869 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1870 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	1871 T* p = start + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1872 while (start < p) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1873 --p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1874 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1875 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1876 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1877 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1878
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1879 #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	1880 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	1881 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1882 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1883 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1884 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1885 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	1886 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	1887 "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	1888 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1889 T* end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1890 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1891 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1892 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1893 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1894 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1895 ++p; \
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
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1899
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1900 // 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	1901 // 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	1902 // flag.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1903 #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	1904 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1905 /* 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	1906 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	1907 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1908 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	1909 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1910 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1911 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1912 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	1913 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1914 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1915 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1916 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1917 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1918 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1919 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	1920 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1921 ++map; \
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 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1924 }
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 #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	1927 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1928 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1929 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	1930 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1931 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1932 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1933 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1934 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	1935 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1936 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1937 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1938 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1939 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1940 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1941 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	1942 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1943 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1944 } \
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 #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	1948 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1949 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1950 /* 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	1951 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	1952 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	1953 all the maps. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1954 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1955 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	1956 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1957 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1958 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1959 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	1960 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1961 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1962 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1963 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1964 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1965 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1966 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1967 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	1968 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1969 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1970 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1971 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1972 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1973 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1974
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1975 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	1976 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	1977 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	1978 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1979 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1980 MarkSweep::mark_and_push(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1981 assert_is_in_closed_subset)
0 a61af66fc99e Initial load duke parents: diff changeset	1982 }
a61af66fc99e Initial load duke parents: diff changeset	1983
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	1984 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1985 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm,
0 a61af66fc99e Initial load duke parents: diff changeset	1986 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1987 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	1988 PSParallelCompact::follow_klass(cm, obj->klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1989 // 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	1990 // everything else.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1991 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1992 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1993 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	1994 assert_is_in)
0 a61af66fc99e Initial load duke parents: diff changeset	1995 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	1996 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	1997
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1998 // closure's do_metadata() method dictates whether the given closure should be
0 a61af66fc99e Initial load duke parents: diff changeset	1999 // applied to the klass ptr in the object header.
a61af66fc99e Initial load duke parents: diff changeset	2000
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2001 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2002 /* 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	2003 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	2004 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2005 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2006
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2007 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2008 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2009 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	2010 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	2011 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2012 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2013 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	2014 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2015 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2016 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2017 SpecializationStats:: \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2018 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	2019 (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	2020 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2021 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2022 }
a61af66fc99e Initial load duke parents: diff changeset	2023
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2024 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2025 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2026 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2027 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	2028 OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2029 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2030 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2031 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2032 closure->do_klass##nv_suffix(obj->klass()); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2033 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2034 /* instance variables */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2035 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2036 obj, \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2037 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2038 (closure)->do_oop##nv_suffix(p), \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2039 assert_is_in_closed_subset) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2040 return size_helper(); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2041 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2042 #endif // INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2043
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2044 #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	2045 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2046 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	2047 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2048 MemRegion mr) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2049 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	2050 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2051 if (mr.contains(obj)) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2052 closure->do_klass##nv_suffix(obj->klass()); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2053 } \
113 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 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2056 obj, mr.start(), mr.end(), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2057 (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	2058 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2059 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2060 }
a61af66fc99e Initial load duke parents: diff changeset	2061
a61af66fc99e Initial load duke parents: diff changeset	2062 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	2063 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	2064 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	2065 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	2066 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2067 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	2068 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	2069 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2070
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2071 int InstanceKlass::oop_adjust_pointers(oop obj) {
0 a61af66fc99e Initial load duke parents: diff changeset	2072 int size = size_helper();
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 MarkSweep::adjust_pointer(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2076 assert_is_in)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2077 MarkSweep::adjust_klass(obj->klass());
0 a61af66fc99e Initial load duke parents: diff changeset	2078 return size;
a61af66fc99e Initial load duke parents: diff changeset	2079 }
a61af66fc99e Initial load duke parents: diff changeset	2080
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2081 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2082 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	2083 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2084 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2085 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2086 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	2087 }, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2088 assert_nothing )
0 a61af66fc99e Initial load duke parents: diff changeset	2089 }
a61af66fc99e Initial load duke parents: diff changeset	2090
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2091 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	2092 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2093 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2094 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2095 PSParallelCompact::adjust_pointer(p), \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2096 assert_is_in)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2097 obj->update_header(cm);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2098 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	2099 }
a61af66fc99e Initial load duke parents: diff changeset	2100
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2101 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2102
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2103 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2104 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	2105 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2106 if (ClassUnloading) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2107 Klass* impl = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2108 if (impl != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2109 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	2110 // remove this guy
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2111 Klass** klass = adr_implementor();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2112 assert(klass != NULL, "null klass");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2113 if (klass != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2114 *klass = NULL;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2115 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2116 }
0 a61af66fc99e Initial load duke parents: diff changeset	2117 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2118 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2119 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2120 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2121
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2122 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2123 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2124 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2125 if (mdo != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2126 for (ProfileData* data = mdo->first_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2127 mdo->is_valid(data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2128 data = mdo->next_data(data)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2129 data->clean_weak_klass_links(is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2130 }
0 a61af66fc99e Initial load duke parents: diff changeset	2131 }
a61af66fc99e Initial load duke parents: diff changeset	2132 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2133 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2134
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2135
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2136 static void remove_unshareable_in_class(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2137 // remove klass's unshareable info
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2138 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2139 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2140
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2141 void InstanceKlass::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2142 Klass::remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2143 // Unlink the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2144 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2145 unlink_class();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2146 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2147 init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2148
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2149 constants()->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2150
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2151 for (int i = 0; i < methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2152 Method* m = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2153 m->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2154 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2155
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2156 // do array classes also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2157 array_klasses_do(remove_unshareable_in_class);
0 a61af66fc99e Initial load duke parents: diff changeset	2158 }
a61af66fc99e Initial load duke parents: diff changeset	2159
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2160 void restore_unshareable_in_class(Klass* k, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2161 k->restore_unshareable_info(CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	2162 }
a61af66fc99e Initial load duke parents: diff changeset	2163
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2164 void InstanceKlass::restore_unshareable_info(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2165 Klass::restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2166 instanceKlassHandle ik(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2167
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2168 Array<Method> methods = ik->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2169 int num_methods = methods->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2170 for (int index2 = 0; index2 < num_methods; ++index2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2171 methodHandle m(THREAD, methods->at(index2));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2172 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	2173 // 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	2174 m->restore_vtable();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2175 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2176 if (JvmtiExport::has_redefined_a_class()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2177 // Reinitialize vtable because RedefineClasses may have changed some
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2178 // 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	2179 // 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	2180 // 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	2181 // 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	2182 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2183 ik->vtable()->initialize_vtable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2184 ik->itable()->initialize_itable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2185 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2186
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2187 // restore constant pool resolved references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2188 ik->constants()->restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2189
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2190 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	2191 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2192
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2193 static void clear_all_breakpoints(Method* m) {
0 a61af66fc99e Initial load duke parents: diff changeset	2194 m->clear_all_breakpoints();
a61af66fc99e Initial load duke parents: diff changeset	2195 }
a61af66fc99e Initial load duke parents: diff changeset	2196
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2197
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2198 void InstanceKlass::notify_unload_class(InstanceKlass* ik) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2199 // notify the debugger
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2200 if (JvmtiExport::should_post_class_unload()) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2201 JvmtiExport::post_class_unload(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2202 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2203
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2204 // notify ClassLoadingService of class unload
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2205 ClassLoadingService::notify_class_unloaded(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2206 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2207
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2208 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	2209 // Clean up C heap
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2210 ik->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2211 ik->constants()->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2212 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2213
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2214 void InstanceKlass::release_C_heap_structures() {
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2215
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2216 // 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	2217 // 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	2218 // redefine classes.
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2219
0 a61af66fc99e Initial load duke parents: diff changeset	2220 // Deallocate oop map cache
a61af66fc99e Initial load duke parents: diff changeset	2221 if (_oop_map_cache != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2222 delete _oop_map_cache;
a61af66fc99e Initial load duke parents: diff changeset	2223 _oop_map_cache = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2224 }
a61af66fc99e Initial load duke parents: diff changeset	2225
a61af66fc99e Initial load duke parents: diff changeset	2226 // Deallocate JNI identifiers for jfieldIDs
a61af66fc99e Initial load duke parents: diff changeset	2227 JNIid::deallocate(jni_ids());
a61af66fc99e Initial load duke parents: diff changeset	2228 set_jni_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2229
a61af66fc99e Initial load duke parents: diff changeset	2230 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2231 if (jmeths != (jmethodID*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2232 release_set_methods_jmethod_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2233 FreeHeap(jmeths);
a61af66fc99e Initial load duke parents: diff changeset	2234 }
a61af66fc99e Initial load duke parents: diff changeset	2235
10347 6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2236 // Deallocate MemberNameTable
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2237 {
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2238 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	2239 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	2240 MemberNameTable* mnt = member_names();
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2241 if (mnt != NULL) {
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2242 delete mnt;
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2243 set_member_names(NULL);
6c138b9851fb 8013945: CMS fatal error: must own lock MemberNameTable_lock sspitsyn parents: 10345 diff changeset	2244 }
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2245 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2246
0 a61af66fc99e Initial load duke parents: diff changeset	2247 // release dependencies
a61af66fc99e Initial load duke parents: diff changeset	2248 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	2249 _dependencies = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2250 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2251 nmethodBucket* next = b->next();
a61af66fc99e Initial load duke parents: diff changeset	2252 delete b;
a61af66fc99e Initial load duke parents: diff changeset	2253 b = next;
a61af66fc99e Initial load duke parents: diff changeset	2254 }
a61af66fc99e Initial load duke parents: diff changeset	2255
a61af66fc99e Initial load duke parents: diff changeset	2256 // Deallocate breakpoint records
a61af66fc99e Initial load duke parents: diff changeset	2257 if (breakpoints() != 0x0) {
a61af66fc99e Initial load duke parents: diff changeset	2258 methods_do(clear_all_breakpoints);
a61af66fc99e Initial load duke parents: diff changeset	2259 assert(breakpoints() == 0x0, "should have cleared breakpoints");
a61af66fc99e Initial load duke parents: diff changeset	2260 }
a61af66fc99e Initial load duke parents: diff changeset	2261
a61af66fc99e Initial load duke parents: diff changeset	2262 // deallocate information about previous versions
a61af66fc99e Initial load duke parents: diff changeset	2263 if (_previous_versions != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2264 for (int i = _previous_versions->length() - 1; i >= 0; i--) {
a61af66fc99e Initial load duke parents: diff changeset	2265 PreviousVersionNode * pv_node = _previous_versions->at(i);
a61af66fc99e Initial load duke parents: diff changeset	2266 delete pv_node;
a61af66fc99e Initial load duke parents: diff changeset	2267 }
a61af66fc99e Initial load duke parents: diff changeset	2268 delete _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	2269 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2270 }
a61af66fc99e Initial load duke parents: diff changeset	2271
a61af66fc99e Initial load duke parents: diff changeset	2272 // deallocate the cached class file
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2273 if (_cached_class_file != NULL) {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2274 os::free(_cached_class_file, mtClass);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	2275 _cached_class_file = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2276 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2277
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2278 // 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	2279 if (_name != NULL) _name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2280 // 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	2281 // class can't be referenced anymore).
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2282 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	2283 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	2284
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2285 assert(_total_instanceKlass_count >= 1, "Sanity check");
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2286 Atomic::dec(&_total_instanceKlass_count);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2287 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2288
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2289 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	2290 if (array == NULL) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2291 _source_debug_extension = NULL;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2292 } else {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2293 // 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	2294 // 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	2295 // 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	2296 // unlikely to happen.
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2297 assert((length+1) > length, "Overflow checking");
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2298 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	2299 for (int i = 0; i < length; i++) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2300 sde[i] = array[i];
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2301 }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2302 sde[length] = '\0';
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2303 _source_debug_extension = sde;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2304 }
0 a61af66fc99e Initial load duke parents: diff changeset	2305 }
a61af66fc99e Initial load duke parents: diff changeset	2306
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2307 address InstanceKlass::static_field_addr(int offset) {
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12287 diff changeset	2308 return (address)(offset + InstanceMirrorKlass::offset_of_static_fields() + cast_from_oop<intptr_t>(java_mirror()));
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2309 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2310
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2311
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2312 const char* InstanceKlass::signature_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2313 const char* src = (const char*) (name()->as_C_string());
a61af66fc99e Initial load duke parents: diff changeset	2314 const int src_length = (int)strlen(src);
a61af66fc99e Initial load duke parents: diff changeset	2315 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
a61af66fc99e Initial load duke parents: diff changeset	2316 int src_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2317 int dest_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2318 dest[dest_index++] = 'L';
a61af66fc99e Initial load duke parents: diff changeset	2319 while (src_index < src_length) {
a61af66fc99e Initial load duke parents: diff changeset	2320 dest[dest_index++] = src[src_index++];
a61af66fc99e Initial load duke parents: diff changeset	2321 }
a61af66fc99e Initial load duke parents: diff changeset	2322 dest[dest_index++] = ';';
a61af66fc99e Initial load duke parents: diff changeset	2323 dest[dest_index] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	2324 return dest;
a61af66fc99e Initial load duke parents: diff changeset	2325 }
a61af66fc99e Initial load duke parents: diff changeset	2326
a61af66fc99e Initial load duke parents: diff changeset	2327 // different verisons of is_same_class_package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2328 bool InstanceKlass::is_same_class_package(Klass* class2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2329 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2330 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2331 Symbol* classname1 = class1->name();
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2332
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2333 if (class2->oop_is_objArray()) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	2334 class2 = ObjArrayKlass::cast(class2)->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2335 }
a61af66fc99e Initial load duke parents: diff changeset	2336 oop classloader2;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2337 if (class2->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2338 classloader2 = InstanceKlass::cast(class2)->class_loader();
0 a61af66fc99e Initial load duke parents: diff changeset	2339 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2340 assert(class2->oop_is_typeArray(), "should be type array");
0 a61af66fc99e Initial load duke parents: diff changeset	2341 classloader2 = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2342 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2343 Symbol* classname2 = class2->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2344
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2345 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2346 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2347 }
a61af66fc99e Initial load duke parents: diff changeset	2348
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2349 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	2350 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2351 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2352 Symbol* classname1 = class1->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2353
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2354 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2355 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2356 }
a61af66fc99e Initial load duke parents: diff changeset	2357
a61af66fc99e Initial load duke parents: diff changeset	2358 // return true if two classes are in the same package, classloader
a61af66fc99e Initial load duke parents: diff changeset	2359 // 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	2360 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	2361 oop class_loader2, Symbol* class_name2) {
0 a61af66fc99e Initial load duke parents: diff changeset	2362 if (class_loader1 != class_loader2) {
a61af66fc99e Initial load duke parents: diff changeset	2363 return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2364 } else if (class_name1 == class_name2) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2365 return true; // skip painful bytewise comparison
0 a61af66fc99e Initial load duke parents: diff changeset	2366 } else {
a61af66fc99e Initial load duke parents: diff changeset	2367 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2368
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2369 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly
0 a61af66fc99e Initial load duke parents: diff changeset	2370 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding.
a61af66fc99e Initial load duke parents: diff changeset	2371 // 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	2372 const jbyte *name1 = class_name1->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2373 const jbyte *name2 = class_name2->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2374
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2375 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	2376 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/');
0 a61af66fc99e Initial load duke parents: diff changeset	2377
a61af66fc99e Initial load duke parents: diff changeset	2378 if ((last_slash1 == NULL) \|\| (last_slash2 == NULL)) {
a61af66fc99e Initial load duke parents: diff changeset	2379 // One of the two doesn't have a package. Only return true
a61af66fc99e Initial load duke parents: diff changeset	2380 // if the other one also doesn't have a package.
a61af66fc99e Initial load duke parents: diff changeset	2381 return last_slash1 == last_slash2;
a61af66fc99e Initial load duke parents: diff changeset	2382 } else {
a61af66fc99e Initial load duke parents: diff changeset	2383 // Skip over '['s
a61af66fc99e Initial load duke parents: diff changeset	2384 if (*name1 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2385 do {
a61af66fc99e Initial load duke parents: diff changeset	2386 name1++;
a61af66fc99e Initial load duke parents: diff changeset	2387 } while (*name1 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2388 if (*name1 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2389 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2390 return false;
a61af66fc99e Initial load duke parents: diff changeset	2391 }
a61af66fc99e Initial load duke parents: diff changeset	2392 }
a61af66fc99e Initial load duke parents: diff changeset	2393 if (*name2 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2394 do {
a61af66fc99e Initial load duke parents: diff changeset	2395 name2++;
a61af66fc99e Initial load duke parents: diff changeset	2396 } while (*name2 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2397 if (*name2 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2398 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2399 return false;
a61af66fc99e Initial load duke parents: diff changeset	2400 }
a61af66fc99e Initial load duke parents: diff changeset	2401 }
a61af66fc99e Initial load duke parents: diff changeset	2402
a61af66fc99e Initial load duke parents: diff changeset	2403 // Check that package part is identical
a61af66fc99e Initial load duke parents: diff changeset	2404 int length1 = last_slash1 - name1;
a61af66fc99e Initial load duke parents: diff changeset	2405 int length2 = last_slash2 - name2;
a61af66fc99e Initial load duke parents: diff changeset	2406
a61af66fc99e Initial load duke parents: diff changeset	2407 return UTF8::equal(name1, length1, name2, length2);
a61af66fc99e Initial load duke parents: diff changeset	2408 }
a61af66fc99e Initial load duke parents: diff changeset	2409 }
a61af66fc99e Initial load duke parents: diff changeset	2410 }
a61af66fc99e Initial load duke parents: diff changeset	2411
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2412 // 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	2413 // See JSL 3rd edition 8.4.6.1
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2414 // Assumes name-signature match
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2415 // "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	2416 // 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	2417 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	2418 // Private methods can not be overridden
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2419 if (super_method->is_private()) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2420 return false;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2421 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2422 // If super method is accessible, then override
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2423 if ((super_method->is_protected()) \|\|
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2424 (super_method->is_public())) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2425 return true;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2426 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2427 // Package-private methods are not inherited outside of package
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2428 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	2429 return(is_same_class_package(targetclassloader(), targetclassname));
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2430 }
0 a61af66fc99e Initial load duke parents: diff changeset	2431
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2432 /* 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	2433 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	2434 Symbol*& simple_name_result, TRAPS) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2435 ...
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2436 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2437 */
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2438
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2439 // 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	2440 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	2441 Klass* class2_oop, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2442 if (class2_oop == class1()) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2443 if (!class2_oop->oop_is_instance()) return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2444 instanceKlassHandle class2(THREAD, class2_oop);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2445
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2446 // must be in same package before we try anything else
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2447 if (!class1->is_same_class_package(class2->class_loader(), class2->name()))
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2448 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2449
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2450 // As long as there is an outer1.getEnclosingClass,
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2451 // shift the search outward.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2452 instanceKlassHandle outer1 = class1;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2453 for (;;) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2454 // As we walk along, look for equalities between outer1 and class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2455 // Eventually, the walks will terminate as outer1 stops
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2456 // 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	2457 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2458 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	2459 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2460 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2461 if (next == class2()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2462 outer1 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2463 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2464
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2465 // Now do the same for class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2466 instanceKlassHandle outer2 = class2;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2467 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	2468 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2469 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	2470 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2471 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2472 // Might as well check the new outer against all available values.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2473 if (next == class1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2474 if (next == outer1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2475 outer2 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2476 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2477
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2478 // 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	2479 // two classes, we know they are in separate package members.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2480 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2481 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2482
0 a61af66fc99e Initial load duke parents: diff changeset	2483
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2484 jint InstanceKlass::compute_modifier_flags(TRAPS) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2485 jint access = access_flags().as_int();
a61af66fc99e Initial load duke parents: diff changeset	2486
a61af66fc99e Initial load duke parents: diff changeset	2487 // 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	2488 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	2489 InnerClassesIterator iter(ik);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2490 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	2491 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	2492 // 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	2493 // 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	2494 if (ioff == 0) continue;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2495
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2496 // 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	2497 // 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	2498 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	2499 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	2500 // 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	2501 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	2502 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2503 }
a61af66fc99e Initial load duke parents: diff changeset	2504 }
a61af66fc99e Initial load duke parents: diff changeset	2505 // Remember to strip ACC_SUPER bit
a61af66fc99e Initial load duke parents: diff changeset	2506 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS;
a61af66fc99e Initial load duke parents: diff changeset	2507 }
a61af66fc99e Initial load duke parents: diff changeset	2508
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2509 jint InstanceKlass::jvmti_class_status() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2510 jint result = 0;
a61af66fc99e Initial load duke parents: diff changeset	2511
a61af66fc99e Initial load duke parents: diff changeset	2512 if (is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	2513 result \|= JVMTI_CLASS_STATUS_VERIFIED \| JVMTI_CLASS_STATUS_PREPARED;
a61af66fc99e Initial load duke parents: diff changeset	2514 }
a61af66fc99e Initial load duke parents: diff changeset	2515
a61af66fc99e Initial load duke parents: diff changeset	2516 if (is_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	2517 assert(is_linked(), "Class status is not consistent");
a61af66fc99e Initial load duke parents: diff changeset	2518 result \|= JVMTI_CLASS_STATUS_INITIALIZED;
a61af66fc99e Initial load duke parents: diff changeset	2519 }
a61af66fc99e Initial load duke parents: diff changeset	2520 if (is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	2521 result \|= JVMTI_CLASS_STATUS_ERROR;
a61af66fc99e Initial load duke parents: diff changeset	2522 }
a61af66fc99e Initial load duke parents: diff changeset	2523 return result;
a61af66fc99e Initial load duke parents: diff changeset	2524 }
a61af66fc99e Initial load duke parents: diff changeset	2525
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2526 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	2527 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable();
a61af66fc99e Initial load duke parents: diff changeset	2528 int method_table_offset_in_words = ioe->offset()/wordSize;
a61af66fc99e Initial load duke parents: diff changeset	2529 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words())
a61af66fc99e Initial load duke parents: diff changeset	2530 / itableOffsetEntry::size();
a61af66fc99e Initial load duke parents: diff changeset	2531
a61af66fc99e Initial load duke parents: diff changeset	2532 for (int cnt = 0 ; ; cnt ++, ioe ++) {
605 98cb887364d3 6810672: Comment typos twisti parents: 356 diff changeset	2533 // If the interface isn't implemented by the receiver class,
0 a61af66fc99e Initial load duke parents: diff changeset	2534 // the VM should throw IncompatibleClassChangeError.
a61af66fc99e Initial load duke parents: diff changeset	2535 if (cnt >= nof_interfaces) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2536 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError());
0 a61af66fc99e Initial load duke parents: diff changeset	2537 }
a61af66fc99e Initial load duke parents: diff changeset	2538
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2539 Klass* ik = ioe->interface_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2540 if (ik == holder) break;
a61af66fc99e Initial load duke parents: diff changeset	2541 }
a61af66fc99e Initial load duke parents: diff changeset	2542
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2543 itableMethodEntry* ime = ioe->first_method_entry(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2544 Method* m = ime[index].method();
0 a61af66fc99e Initial load duke parents: diff changeset	2545 if (m == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2546 THROW_NULL(vmSymbols::java_lang_AbstractMethodError());
0 a61af66fc99e Initial load duke parents: diff changeset	2547 }
a61af66fc99e Initial load duke parents: diff changeset	2548 return m;
a61af66fc99e Initial load duke parents: diff changeset	2549 }
a61af66fc99e Initial load duke parents: diff changeset	2550
a61af66fc99e Initial load duke parents: diff changeset	2551 // On-stack replacement stuff
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2552 void InstanceKlass::add_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2553 // only one compilation can be active
a61af66fc99e Initial load duke parents: diff changeset	2554 NEEDS_CLEANUP
a61af66fc99e Initial load duke parents: diff changeset	2555 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2556 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2557 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	2558 n->set_osr_link(osr_nmethods_head());
0 a61af66fc99e Initial load duke parents: diff changeset	2559 set_osr_nmethods_head(n);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2560 // Raise the highest osr level if necessary
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2561 if (TieredCompilation) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2562 Method* m = n->method();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2563 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level()));
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2564 }
0 a61af66fc99e Initial load duke parents: diff changeset	2565 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2566 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2567
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2568 // Get rid of the osr methods for the same bci that have lower levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2569 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2570 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2571 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2572 if (inv != NULL && inv->is_in_use()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2573 inv->make_not_entrant();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2574 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2575 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2576 }
0 a61af66fc99e Initial load duke parents: diff changeset	2577 }
a61af66fc99e Initial load duke parents: diff changeset	2578
a61af66fc99e Initial load duke parents: diff changeset	2579
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2580 void InstanceKlass::remove_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2581 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2582 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2583 assert(n->is_osr_method(), "wrong kind of nmethod");
a61af66fc99e Initial load duke parents: diff changeset	2584 nmethod* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2585 nmethod* cur = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2586 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	2587 Method* m = n->method();
0 a61af66fc99e Initial load duke parents: diff changeset	2588 // Search for match
a61af66fc99e Initial load duke parents: diff changeset	2589 while(cur != NULL && cur != n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2590 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2591 // Find max level before n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2592 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2593 }
0 a61af66fc99e Initial load duke parents: diff changeset	2594 last = cur;
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2595 cur = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2596 }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2597 nmethod* next = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2598 if (cur == n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2599 next = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2600 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2601 // Remove first element
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2602 set_osr_nmethods_head(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2603 } else {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2604 last->set_osr_link(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2605 }
a61af66fc99e Initial load duke parents: diff changeset	2606 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2607 n->set_osr_link(NULL);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2608 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2609 cur = next;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2610 while (cur != NULL) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2611 // Find max level after n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2612 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2613 cur = cur->osr_link();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2614 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2615 m->set_highest_osr_comp_level(max_level);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2616 }
0 a61af66fc99e Initial load duke parents: diff changeset	2617 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2618 OsrList_lock->unlock();
a61af66fc99e Initial load duke parents: diff changeset	2619 }
a61af66fc99e Initial load duke parents: diff changeset	2620
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 10152 diff changeset	2621 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	2622 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2623 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2624 nmethod* osr = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2625 nmethod* best = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2626 while (osr != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2627 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2628 // There can be a time when a c1 osr method exists but we are waiting
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2629 // for a c2 version. When c2 completes its osr nmethod we will trash
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2630 // the c1 version and only be able to find the c2 version. However
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2631 // while we overflow in the c1 code at back branches we don't want to
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2632 // try and switch to the same code as we are already running
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2633
0 a61af66fc99e Initial load duke parents: diff changeset	2634 if (osr->method() == m &&
a61af66fc99e Initial load duke parents: diff changeset	2635 (bci == InvocationEntryBci \|\| osr->osr_entry_bci() == bci)) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2636 if (match_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2637 if (osr->comp_level() == comp_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2638 // Found a match - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2639 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2640 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2641 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2642 } else {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2643 if (best == NULL \|\| (osr->comp_level() > best->comp_level())) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2644 if (osr->comp_level() == CompLevel_highest_tier) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2645 // Found the best possible - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2646 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2647 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2648 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2649 best = osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2650 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2651 }
0 a61af66fc99e Initial load duke parents: diff changeset	2652 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2653 osr = osr->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2654 }
a61af66fc99e Initial load duke parents: diff changeset	2655 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2656 if (best != NULL && best->comp_level() >= comp_level && match_level == false) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2657 return best;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2658 }
0 a61af66fc99e Initial load duke parents: diff changeset	2659 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2660 }
a61af66fc99e Initial load duke parents: diff changeset	2661
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2662 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	2663 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	2664 MutexLocker ml(MemberNameTable_lock);
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2665 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	2666 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	2667
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2668 if (_member_names == NULL) {
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2669 _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	2670 }
10345 b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2671 _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	2672 }
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2673
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2674 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	2675 MutexLocker ml(MemberNameTable_lock);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2676 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	2677 DEBUG_ONLY(No_Safepoint_Verifier nsv);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2678
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2679 if (_member_names == NULL) {
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2680 return NULL;
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2681 }
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes sspitsyn parents: 10343 diff changeset	2682 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	2683 return mem_name;
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2684 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2685
0 a61af66fc99e Initial load duke parents: diff changeset	2686 // -----------------------------------------------------------------------------------------------------
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2687 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2688
0 a61af66fc99e Initial load duke parents: diff changeset	2689 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2690
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2691 #define BULLET " - "
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2692
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2693 static const char* state_names[] = {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2694 "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	2695 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2696
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2697 static void print_vtable(intptr_t* start, int len, outputStream* st) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2698 for (int i = 0; i < len; i++) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2699 intptr_t e = start[i];
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2700 st->print("%d : " INTPTR_FORMAT, i, e);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2701 if (e != 0 && ((Metadata*)e)->is_metaspace_object()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2702 st->print(" ");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2703 ((Metadata*)e)->print_value_on(st);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2704 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2705 st->cr();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2706 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2707 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2708
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2709 void InstanceKlass::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2710 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2711 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2712
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2713 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	2714 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	2715 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	2716 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	2717 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	2718 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	2719 st->print(BULLET"sub: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2720 Klass* sub = subklass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2721 int n;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2722 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	2723 if (n < MaxSubklassPrintSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2724 sub->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2725 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2726 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2727 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2728 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	2729 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2730
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2731 if (is_interface()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2732 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	2733 if (nof_implementors() == 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2734 st->print_cr(BULLET"implementor: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2735 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2736 implementor()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2737 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2738 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2739 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2740
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2741 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	2742 st->print(BULLET"methods: "); methods()->print_value_on(st); st->cr();
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2743 if (Verbose \|\| WizardMode) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2744 Array<Method> method_array = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2745 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	2746 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	2747 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2748 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2749 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	2750 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	2751 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	2752 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	2753 if (class_loader_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2754 st->print(BULLET"class loader data: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2755 class_loader_data()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2756 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2757 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2758 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	2759 if (source_file_name() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2760 st->print(BULLET"source file: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2761 source_file_name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2762 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2763 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2764 if (source_debug_extension() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2765 st->print(BULLET"source debug extension: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2766 st->print("%s", source_debug_extension());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2767 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2768 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2769 st->print(BULLET"class annotations: "); class_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2770 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	2771 st->print(BULLET"field annotations: "); fields_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2772 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	2773 {
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2774 bool have_pv = false;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2775 PreviousVersionWalker pvw(Thread::current(), (InstanceKlass*)this);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2776 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	2777 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	2778 if (!have_pv)
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2779 st->print(BULLET"previous version: ");
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2780 have_pv = true;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2781 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	2782 }
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2783 if (have_pv) st->cr();
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	2784 } // pvw is cleaned up
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2785
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2786 if (generic_signature() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2787 st->print(BULLET"generic signature: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2788 generic_signature()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2789 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2790 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2791 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	2792 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	2793 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), start_of_vtable()); st->cr();
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2794 if (vtable_length() > 0 && (Verbose \|\| WizardMode)) print_vtable(start_of_vtable(), vtable_length(), st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2795 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), start_of_itable()); st->cr();
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2796 if (itable_length() > 0 && (Verbose \|\| WizardMode)) print_vtable(start_of_itable(), itable_length(), st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2797 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	2798 FieldPrinter print_static_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2799 ((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	2800 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	2801 FieldPrinter print_nonstatic_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2802 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field);
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 st->print(BULLET"non-static oop maps: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2805 OopMapBlock* map = start_of_nonstatic_oop_maps();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2806 OopMapBlock* end_map = map + nonstatic_oop_map_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2807 while (map < end_map) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2808 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	2809 map++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2810 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2811 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2812 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2813
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2814 #endif //PRODUCT
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 void InstanceKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2817 assert(is_klass(), "must be klass");
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 12067 diff changeset	2818 if (Verbose \|\| WizardMode) access_flags().print_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2819 name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2820 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2821
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2822 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2823
0 a61af66fc99e Initial load duke parents: diff changeset	2824 void FieldPrinter::do_field(fieldDescriptor* fd) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2825 _st->print(BULLET);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2826 if (_obj == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2827 fd->print_on(_st);
a61af66fc99e Initial load duke parents: diff changeset	2828 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2829 } else {
a61af66fc99e Initial load duke parents: diff changeset	2830 fd->print_on_for(_st, _obj);
a61af66fc99e Initial load duke parents: diff changeset	2831 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2832 }
a61af66fc99e Initial load duke parents: diff changeset	2833 }
a61af66fc99e Initial load duke parents: diff changeset	2834
a61af66fc99e Initial load duke parents: diff changeset	2835
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2836 void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2837 Klass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2838
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2839 if (this == SystemDictionary::String_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	2840 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load duke parents: diff changeset	2841 juint offset = java_lang_String::offset(obj);
a61af66fc99e Initial load duke parents: diff changeset	2842 juint length = java_lang_String::length(obj);
a61af66fc99e Initial load duke parents: diff changeset	2843 if (value != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2844 value->is_typeArray() &&
a61af66fc99e Initial load duke parents: diff changeset	2845 offset <= (juint) value->length() &&
a61af66fc99e Initial load duke parents: diff changeset	2846 offset + length <= (juint) value->length()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2847 st->print(BULLET"string: ");
0 a61af66fc99e Initial load duke parents: diff changeset	2848 Handle h_obj(obj);
a61af66fc99e Initial load duke parents: diff changeset	2849 java_lang_String::print(h_obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2850 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2851 if (!WizardMode) return; // that is enough
a61af66fc99e Initial load duke parents: diff changeset	2852 }
a61af66fc99e Initial load duke parents: diff changeset	2853 }
a61af66fc99e Initial load duke parents: diff changeset	2854
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2855 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	2856 FieldPrinter print_field(st, obj);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2857 do_nonstatic_fields(&print_field);
0 a61af66fc99e Initial load duke parents: diff changeset	2858
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2859 if (this == SystemDictionary::Class_klass()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2860 st->print(BULLET"signature: ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2861 java_lang_Class::print_signature(obj, st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2862 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2863 Klass* mirrored_klass = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2864 st->print(BULLET"fake entry for mirror: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2865 mirrored_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2866 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2867 Klass* array_klass = java_lang_Class::array_klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2868 st->print(BULLET"fake entry for array: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2869 array_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2870 st->cr();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2871 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	2872 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	2873 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	2874 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	2875 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	2876 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2877 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2878 st->print(BULLET"signature: ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2879 java_lang_invoke_MethodType::print_signature(obj, st);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2880 st->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	2881 }
a61af66fc99e Initial load duke parents: diff changeset	2882 }
a61af66fc99e Initial load duke parents: diff changeset	2883
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2884 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2885
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2886 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2887 st->print("a ");
a61af66fc99e Initial load duke parents: diff changeset	2888 name()->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	2889 obj->print_address_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2890 if (this == SystemDictionary::String_klass()
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2891 && java_lang_String::value(obj) != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2892 ResourceMark rm;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2893 int len = java_lang_String::length(obj);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2894 int plen = (len < 24 ? len : 12);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2895 char* str = java_lang_String::as_utf8_string(obj, 0, plen);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2896 st->print(" = \"%s\"", str);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2897 if (len > plen)
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2898 st->print("...[%d]", len);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2899 } else if (this == SystemDictionary::Class_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2900 Klass* k = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2901 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2902 if (k != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2903 k->print_value_on(st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2904 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2905 const char* tname = type2name(java_lang_Class::primitive_type(obj));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2906 st->print("%s", tname ? tname : "type?");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2907 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2908 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2909 st->print(" = ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2910 java_lang_invoke_MethodType::print_signature(obj, st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2911 } else if (java_lang_boxing_object::is_instance(obj)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2912 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2913 java_lang_boxing_object::print(obj, st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2914 } 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	2915 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	2916 if (vmentry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2917 st->print(" => ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2918 vmentry->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2919 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2920 } else if (this == SystemDictionary::MemberName_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2921 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	2922 if (vmtarget != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2923 st->print(" = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2924 vmtarget->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2925 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2926 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	2927 st->print(".");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	2928 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	2929 }
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2930 }
0 a61af66fc99e Initial load duke parents: diff changeset	2931 }
a61af66fc99e Initial load duke parents: diff changeset	2932
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2933 const char* InstanceKlass::internal_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2934 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	2935 }
a61af66fc99e Initial load duke parents: diff changeset	2936
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2937 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2938 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2939 void InstanceKlass::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2940 Klass::collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2941
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2942 sz->_inst_size = HeapWordSize * size_helper();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2943 sz->_vtab_bytes = HeapWordSize * align_object_offset(vtable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2944 sz->_itab_bytes = HeapWordSize * align_object_offset(itable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2945 sz->_nonstatic_oopmap_bytes = HeapWordSize *
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2946 ((is_interface() \|\| is_anonymous()) ?
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2947 align_object_offset(nonstatic_oop_map_size()) :
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2948 nonstatic_oop_map_size());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2949
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2950 int n = 0;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2951 n += (sz->_methods_array_bytes = sz->count_array(methods()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2952 n += (sz->_method_ordering_bytes = sz->count_array(method_ordering()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2953 n += (sz->_local_interfaces_bytes = sz->count_array(local_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2954 n += (sz->_transitive_interfaces_bytes = sz->count_array(transitive_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2955 n += (sz->_fields_bytes = sz->count_array(fields()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2956 n += (sz->_inner_classes_bytes = sz->count_array(inner_classes()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2957 sz->_ro_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2958
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2959 const ConstantPool* cp = constants();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2960 if (cp) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2961 cp->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2962 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2963
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2964 const Annotations* anno = annotations();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2965 if (anno) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2966 anno->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2967 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2968
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2969 const Array<Method> methods_array = methods();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2970 if (methods()) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2971 for (int i = 0; i < methods_array->length(); i++) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2972 Method* method = methods_array->at(i);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2973 if (method) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2974 sz->_method_count ++;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2975 method->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2976 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2977 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2978 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2979 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2980 #endif // INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	2981
0 a61af66fc99e Initial load duke parents: diff changeset	2982 // Verification
a61af66fc99e Initial load duke parents: diff changeset	2983
a61af66fc99e Initial load duke parents: diff changeset	2984 class VerifyFieldClosure: public OopClosure {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2985 protected:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2986 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	2987 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	2988 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	2989 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj);
0 a61af66fc99e Initial load duke parents: diff changeset	2990 Universe::print();
a61af66fc99e Initial load duke parents: diff changeset	2991 guarantee(false, "boom");
a61af66fc99e Initial load duke parents: diff changeset	2992 }
a61af66fc99e Initial load duke parents: diff changeset	2993 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2994 public:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2995 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	2996 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
0 a61af66fc99e Initial load duke parents: diff changeset	2997 };
a61af66fc99e Initial load duke parents: diff changeset	2998
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	2999 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	3000 #ifndef PRODUCT
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3001 // 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	3002 if (_verify_count == Universe::verify_count()) return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3003 _verify_count = Universe::verify_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3004 #endif
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3005
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3006 // Verify Klass
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3007 Klass::verify_on(st, check_dictionary);
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3008
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3009 // Verify that klass is present in SystemDictionary if not already
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3010 // verifying the SystemDictionary.
e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3011 if (is_loaded() && !is_anonymous() && check_dictionary) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3012 Symbol* h_name = name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3013 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	3014 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3015
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3016 // Verify vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3017 if (is_linked()) {
11034 e0c9a1d29eb4 8016325: JVM hangs verifying system dictionary coleenp parents: 10347 diff changeset	3018 ResourceMark rm;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3019 // $$$ 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	3020 // always seemed a valid generalization. (DLD -- 6/00)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3021 vtable()->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3022 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3023
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3024 // Verify first subklass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3025 if (subklass_oop() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3026 guarantee(subklass_oop()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3027 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3028
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3029 // Verify siblings
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3030 Klass* super = this->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3031 Klass* sib = next_sibling();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3032 if (sib != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3033 if (sib == this) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3034 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	3035 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3036
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3037 guarantee(sib->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3038 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	3039 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3040
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3041 // Verify implementor fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3042 Klass* im = implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3043 if (im != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3044 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	3045 guarantee(im->is_klass(), "should be klass");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3046 guarantee(!im->is_interface() \|\| im == this,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3047 "implementors cannot be interfaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3048 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3049
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3050 // Verify local interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3051 if (local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3052 Array<Klass> local_interfaces = this->local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3053 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	3054 Klass* e = local_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3055 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	3056 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3057 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3058
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3059 // Verify transitive interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3060 if (transitive_interfaces() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3061 Array<Klass> transitive_interfaces = this->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3062 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	3063 Klass* e = transitive_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3064 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	3065 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3066 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3067
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3068 // Verify methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3069 if (methods() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3070 Array<Method> methods = this->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3071 for (int j = 0; j < methods->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3072 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	3073 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3074 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	3075 Method* m1 = methods->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3076 Method* m2 = methods->at(j + 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3077 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	3078 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3079 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3080
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3081 // Verify method ordering
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3082 if (method_ordering() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3083 Array<int>* method_ordering = this->method_ordering();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3084 int length = method_ordering->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3085 if (JvmtiExport::can_maintain_original_method_order() \|\|
9057 8554c55669b0 8010943: guarantee(length == 0) failed: invalid method ordering length hseigel parents: 8719 diff changeset	3086 ((UseSharedSpaces \|\| DumpSharedSpaces) && length != 0)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3087 guarantee(length == methods()->length(), "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3088 jlong sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3089 for (int j = 0; j < length; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3090 int original_index = method_ordering->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3091 guarantee(original_index >= 0, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3092 guarantee(original_index < length, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3093 sum += original_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3094 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3095 // Verify sum of indices 0,1,...,length-1
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3096 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	3097 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3098 guarantee(length == 0, "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3099 }
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 JNI static field identifiers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3103 if (jni_ids() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3104 jni_ids()->verify(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3105 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3106
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3107 // Verify other fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3108 if (array_klasses() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3109 guarantee(array_klasses()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3110 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3111 if (constants() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3112 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3113 }
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3114 const Klass* host = host_klass();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3115 if (host != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3116 guarantee(host->is_klass(), "should be klass");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3117 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3118 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3119
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3120 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	3121 Klass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	3122 VerifyFieldClosure blk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3123 obj->oop_iterate_no_header(&blk);
0 a61af66fc99e Initial load duke parents: diff changeset	3124 }
a61af66fc99e Initial load duke parents: diff changeset	3125
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3126
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3127 // JNIid class for jfieldIDs only
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3128 // Note to reviewers:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3129 // 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	3130 // in the compressed oops workspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3131 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	3132 _holder = holder;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3133 _offset = offset;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3134 _next = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3135 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	3136 }
0 a61af66fc99e Initial load duke parents: diff changeset	3137
a61af66fc99e Initial load duke parents: diff changeset	3138
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3139 JNIid* JNIid::find(int offset) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3140 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3141 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3142 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	3143 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3144 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3145 return NULL;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3146 }
0 a61af66fc99e Initial load duke parents: diff changeset	3147
a61af66fc99e Initial load duke parents: diff changeset	3148 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	3149 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3150 JNIid* next = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3151 delete current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3152 current = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3153 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3154 }
0 a61af66fc99e Initial load duke parents: diff changeset	3155
a61af66fc99e Initial load duke parents: diff changeset	3156
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3157 void JNIid::verify(Klass* holder) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	3158 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	3159 int end_field_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3160 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize);
0 a61af66fc99e Initial load duke parents: diff changeset	3161
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3162 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3163 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3164 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	3165 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3166 int o = current->offset();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3167 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	3168 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	3169 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3170 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3171 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3172 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3173 }
0 a61af66fc99e Initial load duke parents: diff changeset	3174
a61af66fc99e Initial load duke parents: diff changeset	3175
a61af66fc99e Initial load duke parents: diff changeset	3176 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3177 void InstanceKlass::set_init_state(ClassState state) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3178 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	3179 : (_init_state < state);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3180 assert(good_state \|\| state == allocated, "illegal state transition");
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	3181 _init_state = (u1)state;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3182 }
0 a61af66fc99e Initial load duke parents: diff changeset	3183 #endif
a61af66fc99e Initial load duke parents: diff changeset	3184
a61af66fc99e Initial load duke parents: diff changeset	3185
a61af66fc99e Initial load duke parents: diff changeset	3186 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	3187
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3188 // Purge previous versions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3189 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	3190 if (ik->previous_versions() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3191 // 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	3192 // while it is safe to do so.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3193
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3194 int deleted_count = 0; // leave debugging breadcrumbs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3195 int live_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3196 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3197 ClassLoaderData::the_null_class_loader_data() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3198 ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3199
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3200 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3201 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	3202 ik->external_name(), ik->previous_versions()->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3203
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3204 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	3205 // check the previous versions array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3206 PreviousVersionNode * pv_node = ik->previous_versions()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3207 ConstantPool* cp_ref = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3208 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	3209
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3210 ConstantPool* pvcp = cp_ref;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3211 if (!pvcp->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3212 // 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	3213 // 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	3214 // and this previous version node.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3215 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	3216 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3217 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	3218 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3219 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3220 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3221 // method will be freed with associated class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3222 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3223 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3224 // Remove the constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3225 delete pv_node;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3226 // 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	3227 // do anything special with the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3228 ik->previous_versions()->remove_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3229 deleted_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3230 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3231 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3232 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	3233 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	3234 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	3235 live_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3236 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3237
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3238 // 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	3239 // the others or mark them as obsolete.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3240 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	3241 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3242 RC_TRACE(0x00000200, ("purge: previous methods length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3243 method_refs->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3244 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	3245 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3246 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3247
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3248 // 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	3249 // 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	3250 // 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	3251 if (!method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3252 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3253 } else if (emcp_method_count == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3254 method->set_is_obsolete();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3255 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3256 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3257 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3258 ("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	3259 method->name()->as_C_string(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3260 method->signature()->as_C_string(), j, i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3261 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3262 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3263 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3264 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3265 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	3266 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3267 ("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	3268 deleted_count));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3269 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3270 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3271
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3272 // External interface for use during class unloading.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3273 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3274 // 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	3275 purge_previous_versions_internal(ik, 1);
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3278
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3279 // Potentially add an information node that contains pointers to the
0 a61af66fc99e Initial load duke parents: diff changeset	3280 // 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	3281 // 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	3282 // 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	3283 // 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	3284 // 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	3285 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3286 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	3287 BitMap* emcp_methods, int emcp_method_count) {
0 a61af66fc99e Initial load duke parents: diff changeset	3288 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	3289 "only VMThread can add previous versions");
0 a61af66fc99e Initial load duke parents: diff changeset	3290
a61af66fc99e Initial load duke parents: diff changeset	3291 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3292 // This is the first previous version so make some space.
a61af66fc99e Initial load duke parents: diff changeset	3293 // Start with 2 elements under the assumption that the class
a61af66fc99e Initial load duke parents: diff changeset	3294 // won't be redefined much.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3295 _previous_versions = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3296 GrowableArray<PreviousVersionNode *>(2, true);
a61af66fc99e Initial load duke parents: diff changeset	3297 }
a61af66fc99e Initial load duke parents: diff changeset	3298
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3299 ConstantPool* cp_ref = ikh->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3300
0 a61af66fc99e Initial load duke parents: diff changeset	3301 // RC_TRACE macro has an embedded ResourceMark
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3302 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	3303 "on_stack=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3304 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	3305 cp_ref->on_stack()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3306
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3307 // 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	3308 // 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	3309 // 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	3310 // 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	3311 // 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	3312 Array<Method> old_methods = ikh->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3313
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3314 if (cp_ref->on_stack()) {
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3315 PreviousVersionNode * pv_node = NULL;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3316 if (emcp_method_count == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3317 // 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	3318 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	3319 RC_TRACE(0x00000400,
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3320 ("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	3321 } else {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3322 int local_count = 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3323 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	3324 GrowableArray<Method*>(emcp_method_count, true);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3325 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	3326 if (emcp_methods->at(i)) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3327 // 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	3328 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	3329 if (old_method->on_stack()) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3330 method_refs->append(old_method);
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3331 }
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3332 if (++local_count >= emcp_method_count) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3333 // 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	3334 break;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3335 }
0 a61af66fc99e Initial load duke parents: diff changeset	3336 }
a61af66fc99e Initial load duke parents: diff changeset	3337 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3338 // 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	3339 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	3340 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3341 // append new previous version.
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3342 _previous_versions->append(pv_node);
6725 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 // 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	3346 // is a good time to clear out unused references.
0 a61af66fc99e Initial load duke parents: diff changeset	3347
a61af66fc99e Initial load duke parents: diff changeset	3348 RC_TRACE(0x00000400, ("add: previous version length=%d",
a61af66fc99e Initial load duke parents: diff changeset	3349 _previous_versions->length()));
a61af66fc99e Initial load duke parents: diff changeset	3350
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3351 // Purge previous versions not executing on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3352 purge_previous_versions_internal(this, emcp_method_count);
0 a61af66fc99e Initial load duke parents: diff changeset	3353
a61af66fc99e Initial load duke parents: diff changeset	3354 int obsolete_method_count = old_methods->length() - emcp_method_count;
a61af66fc99e Initial load duke parents: diff changeset	3355
a61af66fc99e Initial load duke parents: diff changeset	3356 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	3357 _previous_versions->length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3358 // We have a mix of obsolete and EMCP methods so we have to
0 a61af66fc99e Initial load duke parents: diff changeset	3359 // clear out any matching EMCP method entries the hard way.
a61af66fc99e Initial load duke parents: diff changeset	3360 int local_count = 0;
a61af66fc99e Initial load duke parents: diff changeset	3361 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3362 if (!emcp_methods->at(i)) {
a61af66fc99e Initial load duke parents: diff changeset	3363 // only obsolete methods are interesting
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3364 Method* old_method = old_methods->at(i);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3365 Symbol* m_name = old_method->name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3366 Symbol* m_signature = old_method->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	3367
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3368 // we might not have added the last entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3369 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	3370 // 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	3371 PreviousVersionNode * pv_node = _previous_versions->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3372
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3373 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3374 if (method_refs == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3375 // We have run into a PreviousVersion generation where
a61af66fc99e Initial load duke parents: diff changeset	3376 // all methods were made obsolete during that generation's
a61af66fc99e Initial load duke parents: diff changeset	3377 // RedefineClasses() operation. At the time of that
a61af66fc99e Initial load duke parents: diff changeset	3378 // operation, all EMCP methods were flushed so we don't
a61af66fc99e Initial load duke parents: diff changeset	3379 // have to go back any further.
a61af66fc99e Initial load duke parents: diff changeset	3380 //
a61af66fc99e Initial load duke parents: diff changeset	3381 // A NULL method_refs is different than an empty method_refs.
a61af66fc99e Initial load duke parents: diff changeset	3382 // We cannot infer any optimizations about older generations
a61af66fc99e Initial load duke parents: diff changeset	3383 // from an empty method_refs for the current generation.
a61af66fc99e Initial load duke parents: diff changeset	3384 break;
a61af66fc99e Initial load duke parents: diff changeset	3385 }
a61af66fc99e Initial load duke parents: diff changeset	3386
a61af66fc99e Initial load duke parents: diff changeset	3387 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	3388 Method* method = method_refs->at(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3389
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3390 if (!method->is_obsolete() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3391 method->name() == m_name &&
0 a61af66fc99e Initial load duke parents: diff changeset	3392 method->signature() == m_signature) {
a61af66fc99e Initial load duke parents: diff changeset	3393 // The current RedefineClasses() call has made all EMCP
a61af66fc99e Initial load duke parents: diff changeset	3394 // 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	3395 // and remove the reference.
0 a61af66fc99e Initial load duke parents: diff changeset	3396 RC_TRACE(0x00000400,
a61af66fc99e Initial load duke parents: diff changeset	3397 ("add: %s(%s): flush obsolete method @%d in version @%d",
a61af66fc99e Initial load duke parents: diff changeset	3398 m_name->as_C_string(), m_signature->as_C_string(), k, j));
a61af66fc99e Initial load duke parents: diff changeset	3399
a61af66fc99e Initial load duke parents: diff changeset	3400 method->set_is_obsolete();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3401 // 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	3402 // clean up later.
0 a61af66fc99e Initial load duke parents: diff changeset	3403 break;
a61af66fc99e Initial load duke parents: diff changeset	3404 }
a61af66fc99e Initial load duke parents: diff changeset	3405 }
a61af66fc99e Initial load duke parents: diff changeset	3406
a61af66fc99e Initial load duke parents: diff changeset	3407 // The previous loop may not find a matching EMCP method, but
a61af66fc99e Initial load duke parents: diff changeset	3408 // that doesn't mean that we can optimize and not go any
a61af66fc99e Initial load duke parents: diff changeset	3409 // 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	3410 // method for this generation could have already been deleted,
0 a61af66fc99e Initial load duke parents: diff changeset	3411 // 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	3412 // been deleted.
0 a61af66fc99e Initial load duke parents: diff changeset	3413 }
a61af66fc99e Initial load duke parents: diff changeset	3414
a61af66fc99e Initial load duke parents: diff changeset	3415 if (++local_count >= obsolete_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3416 // no more obsolete methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3417 break;
a61af66fc99e Initial load duke parents: diff changeset	3418 }
a61af66fc99e Initial load duke parents: diff changeset	3419 }
a61af66fc99e Initial load duke parents: diff changeset	3420 }
a61af66fc99e Initial load duke parents: diff changeset	3421 }
a61af66fc99e Initial load duke parents: diff changeset	3422 } // end add_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3423
a61af66fc99e Initial load duke parents: diff changeset	3424
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3425 // Determine if InstanceKlass has a previous version.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3426 bool InstanceKlass::has_previous_version() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3427 return (_previous_versions != NULL && _previous_versions->length() > 0);
0 a61af66fc99e Initial load duke parents: diff changeset	3428 } // end has_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3429
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3430
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3431 Method* InstanceKlass::method_with_idnum(int idnum) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3432 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3433 if (idnum < methods()->length()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3434 m = methods()->at(idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	3435 }
a61af66fc99e Initial load duke parents: diff changeset	3436 if (m == NULL \|\| m->method_idnum() != idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3437 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	3438 m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	3439 if (m->method_idnum() == idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3440 return m;
a61af66fc99e Initial load duke parents: diff changeset	3441 }
a61af66fc99e Initial load duke parents: diff changeset	3442 }
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3443 // 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	3444 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3445 }
a61af66fc99e Initial load duke parents: diff changeset	3446 return m;
a61af66fc99e Initial load duke parents: diff changeset	3447 }
a61af66fc99e Initial load duke parents: diff changeset	3448
11148 825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3449 jint InstanceKlass::get_cached_class_file_len() {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3450 return VM_RedefineClasses::get_cached_class_file_len(_cached_class_file);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3451 }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3452
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3453 unsigned char * InstanceKlass::get_cached_class_file_bytes() {
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3454 return VM_RedefineClasses::get_cached_class_file_bytes(_cached_class_file);
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3455 }
825e6cb66923 8020309: Eliminate InstanceKlass::_cached_class_file_len. jiangli parents: 11096 diff changeset	3456
0 a61af66fc99e Initial load duke parents: diff changeset	3457
a61af66fc99e Initial load duke parents: diff changeset	3458 // 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	3459 // the InstanceKlass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3460 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	3461 GrowableArray<Method> prev_EMCP_methods) {
0 a61af66fc99e Initial load duke parents: diff changeset	3462
a61af66fc99e Initial load duke parents: diff changeset	3463 _prev_constant_pool = prev_constant_pool;
a61af66fc99e Initial load duke parents: diff changeset	3464 _prev_EMCP_methods = prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3465 }
a61af66fc99e Initial load duke parents: diff changeset	3466
a61af66fc99e Initial load duke parents: diff changeset	3467
a61af66fc99e Initial load duke parents: diff changeset	3468 // Destroy a PreviousVersionNode
a61af66fc99e Initial load duke parents: diff changeset	3469 PreviousVersionNode::~PreviousVersionNode() {
a61af66fc99e Initial load duke parents: diff changeset	3470 if (_prev_constant_pool != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3471 _prev_constant_pool = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3472 }
a61af66fc99e Initial load duke parents: diff changeset	3473
a61af66fc99e Initial load duke parents: diff changeset	3474 if (_prev_EMCP_methods != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3475 delete _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3476 }
a61af66fc99e Initial load duke parents: diff changeset	3477 }
a61af66fc99e Initial load duke parents: diff changeset	3478
a61af66fc99e Initial load duke parents: diff changeset	3479 // 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	3480 PreviousVersionWalker::PreviousVersionWalker(Thread* thread, InstanceKlass *ik) {
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3481 _thread = thread;
0 a61af66fc99e Initial load duke parents: diff changeset	3482 _previous_versions = ik->previous_versions();
a61af66fc99e Initial load duke parents: diff changeset	3483 _current_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	3484 _current_p = NULL;
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3485 _current_constant_pool_handle = constantPoolHandle(thread, ik->constants());
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
a61af66fc99e Initial load duke parents: diff changeset	3489 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	3490 // 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	3491 PreviousVersionNode* PreviousVersionWalker::next_previous_version() {
0 a61af66fc99e Initial load duke parents: diff changeset	3492 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3493 // no previous versions so nothing to return
a61af66fc99e Initial load duke parents: diff changeset	3494 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3495 }
a61af66fc99e Initial load duke parents: diff changeset	3496
12281 4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3497 _current_p = NULL; // reset to NULL
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3498 _current_constant_pool_handle = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3499
a61af66fc99e Initial load duke parents: diff changeset	3500 int length = _previous_versions->length();
a61af66fc99e Initial load duke parents: diff changeset	3501
a61af66fc99e Initial load duke parents: diff changeset	3502 while (_current_index < length) {
a61af66fc99e Initial load duke parents: diff changeset	3503 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	3504
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3505 // 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	3506 // 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	3507 _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	3508 _current_p = pv_node;
4f9a42c33738 8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously coleenp parents: 12067 diff changeset	3509 return pv_node;
0 a61af66fc99e Initial load duke parents: diff changeset	3510 }
a61af66fc99e Initial load duke parents: diff changeset	3511
a61af66fc99e Initial load duke parents: diff changeset	3512 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3513 } // end next_previous_version()

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.cpp @ 12811:3374b92de2d9