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

annotate src/share/vm/oops/instanceKlass.cpp @ 10265:92ef81e2f571

8003557: NPG: Klass* const k should be const Klass* k. Summary: With NPG, const KlassOop klass which is in fact a definition converted to Klass* const, which is not the original intention. The right usage is converting them to const Klass*. Reviewed-by: coleenp, kvn Contributed-by: yumin.qi@oracle.com

author	minqi
date	Fri, 10 May 2013 08:27:30 -0700
parents	c115fac239eb
children	6bd680e9ea35

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"
7459 cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	51 #include "prims/methodComparator.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	52 #include "runtime/fieldDescriptor.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	53 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	54 #include "runtime/javaCalls.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	55 #include "runtime/mutexLocker.hpp"
7180 f34d701e952e 8003935: Simplify the needed includes for using Thread::current() stefank parents: 6985 diff changeset	56 #include "runtime/thread.inline.hpp"
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	57 #include "services/classLoadingService.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	58 #include "services/threadService.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	59 #include "utilities/dtrace.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	60 #include "utilities/macros.hpp"
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	61 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	62 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	63 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	64 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	65 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	66 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	67 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	68 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	69 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	70 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	71 #include "oops/oop.pcgc.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	72 #endif // INCLUDE_ALL_GCS
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	73 #ifdef COMPILER1
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	74 #include "c1/c1_Compiler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	75 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	76
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	77 #ifdef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	78
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	79 #ifndef USDT2
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	80
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	81 HS_DTRACE_PROBE_DECL4(hotspot, class__initialization__required,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	82 char*, intptr_t, oop, intptr_t);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	83 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__recursive,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	84 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	85 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__concurrent,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	86 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	87 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__erroneous,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	88 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	89 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__super__failed,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	90 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	91 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__clinit,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	92 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	93 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__error,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	94 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	95 HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	96 char*, intptr_t, oop, intptr_t, int);
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	97
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	98 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	99 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	100 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	101 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	102 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	103 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	104 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	105 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	106 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	107 HS_DTRACE_PROBE4(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	108 data, len, (clss)->class_loader(), thread_type); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	109 }
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 #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	112 { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	113 char* data = NULL; \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	114 int len = 0; \
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	115 Symbol* name = (clss)->name(); \
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	116 if (name != NULL) { \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	117 data = (char*)name->bytes(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	118 len = name->utf8_length(); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	119 } \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	120 HS_DTRACE_PROBE5(hotspot, class__initialization__##type, \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	121 data, len, (clss)->class_loader(), thread_type, wait); \
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	122 }
4006 436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	123 #else /* USDT2 */
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	124
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	125 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	126 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	127 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	128 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	129 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	130 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	131 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	132 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	133 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	134 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	135 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	136 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	137 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	138 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	139 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	140 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	141 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	142 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	143 data, len, (clss)->class_loader(), thread_type); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	144 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	145
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	146 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	147 { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	148 char* data = NULL; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	149 int len = 0; \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	150 Symbol* name = (clss)->name(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	151 if (name != NULL) { \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	152 data = (char*)name->bytes(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	153 len = name->utf8_length(); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	154 } \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	155 HOTSPOT_CLASS_INITIALIZATION_##type( \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	156 data, len, (clss)->class_loader(), thread_type, wait); \
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	157 }
436b4a3231bf 7098194: integrate macosx-port changes dcubed parents: 3960 diff changeset	158 #endif /* USDT2 */
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	159
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	160 #else // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	161
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	162 #define DTRACE_CLASSINIT_PROBE(type, clss, thread_type)
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	163 #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	164
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	165 #endif // ndef DTRACE_ENABLED
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	166
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	167 volatile int InstanceKlass::_total_instanceKlass_count = 0;
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	168
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	169 InstanceKlass* InstanceKlass::allocate_instance_klass(
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	170 ClassLoaderData* loader_data,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	171 int vtable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	172 int itable_len,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	173 int static_field_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	174 int nonstatic_oop_map_size,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	175 ReferenceType rt,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	176 AccessFlags access_flags,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	177 Symbol* name,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	178 Klass* super_klass,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	179 bool is_anonymous,
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	180 TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	181
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	182 int size = InstanceKlass::size(vtable_len, itable_len, nonstatic_oop_map_size,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	183 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	184
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	185 // Allocation
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	186 InstanceKlass* ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	187 if (rt == REF_NONE) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	188 if (name == vmSymbols::java_lang_Class()) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	189 ik = new (loader_data, size, THREAD) InstanceMirrorKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	190 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	191 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	192 } else if (name == vmSymbols::java_lang_ClassLoader() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	193 (SystemDictionary::ClassLoader_klass_loaded() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	194 super_klass != NULL &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	195 super_klass->is_subtype_of(SystemDictionary::ClassLoader_klass()))) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	196 ik = new (loader_data, size, THREAD) InstanceClassLoaderKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	197 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	198 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	199 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	200 // normal class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	201 ik = new (loader_data, size, THREAD) InstanceKlass(
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	202 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	203 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	204 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	205 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	206 // reference klass
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	207 ik = new (loader_data, size, THREAD) InstanceRefKlass(
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	208 vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt,
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	209 access_flags, is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	210 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	211
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	212 // 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	213 // class count. Can get OOM here.
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	214 if (HAS_PENDING_EXCEPTION) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	215 return NULL;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	216 }
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 // 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	219 // 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	220 loader_data->add_class(ik);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	221
7464 ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	222 Atomic::inc(&_total_instanceKlass_count);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	223 return ik;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	224 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	225
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	226
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	227 // 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	228 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	229 if (m != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	230 // 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	231 _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	232 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	233 _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	234 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	235 } else {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	236 _method_ordering = Universe::the_empty_int_array();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	237 }
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
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	241 InstanceKlass::InstanceKlass(int vtable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	242 int itable_len,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	243 int static_field_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	244 int nonstatic_oop_map_size,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	245 ReferenceType rt,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	246 AccessFlags access_flags,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	247 bool is_anonymous) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	248 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	249
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	250 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	251 access_flags.is_interface(), is_anonymous);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	252
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	253 set_vtable_length(vtable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	254 set_itable_length(itable_len);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	255 set_static_field_size(static_field_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	256 set_nonstatic_oop_map_size(nonstatic_oop_map_size);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	257 set_access_flags(access_flags);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	258 _misc_flags = 0; // initialize to zero
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	259 set_is_anonymous(is_anonymous);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	260 assert(size() == iksize, "wrong size for object");
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	261
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	262 set_array_klasses(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	263 set_methods(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	264 set_method_ordering(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	265 set_local_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	266 set_transitive_interfaces(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	267 init_implementor();
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	268 set_fields(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	269 set_constants(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	270 set_class_loader_data(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	271 set_protection_domain(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	272 set_signers(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	273 set_source_file_name(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	274 set_source_debug_extension(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	275 set_array_name(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	276 set_inner_classes(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	277 set_static_oop_field_count(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	278 set_nonstatic_field_size(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	279 set_is_marked_dependent(false);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	280 set_init_state(InstanceKlass::allocated);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	281 set_init_thread(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	282 set_init_lock(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	283 set_reference_type(rt);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	284 set_oop_map_cache(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	285 set_jni_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	286 set_osr_nmethods_head(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	287 set_breakpoints(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	288 init_previous_versions();
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	289 set_generic_signature(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	290 release_set_methods_jmethod_ids(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	291 release_set_methods_cached_itable_indices(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	292 set_annotations(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	293 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	294 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	295 _dependencies = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	296 set_jvmti_cached_class_field_map(NULL);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	297 set_cached_class_file(NULL, 0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	298 set_initial_method_idnum(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	299 set_minor_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	300 set_major_version(0);
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	301 NOT_PRODUCT(_verify_count = 0;)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	302
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	303 // initialize the non-header words to zero
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	304 intptr_t* p = (intptr_t*)this;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	305 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	306 p[index] = NULL_WORD;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	307 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	309 // 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	310 // size.
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8031 diff changeset	311 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	312 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	313
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	314
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	315 void InstanceKlass::deallocate_methods(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	316 Array<Method> methods) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	317 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	318 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	319 Method* method = methods->at(i);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	320 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	321 // 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	322 // 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	323 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	324 MetadataFactory::free_metadata(loader_data, method);
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 MetadataFactory::free_array<Method*>(loader_data, methods);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	327 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	328 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	329
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	330 void InstanceKlass::deallocate_interfaces(ClassLoaderData* loader_data,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	331 Klass* super_klass,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	332 Array<Klass> local_interfaces,
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	333 Array<Klass> transitive_interfaces) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	334 // 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	335 // 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	336 Array<Klass> ti = transitive_interfaces;
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	337 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	338 // 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	339 Array<Klass> sti = (super_klass == NULL) ? NULL :
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	340 InstanceKlass::cast(super_klass)->transitive_interfaces();
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	341 if (ti != sti) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	342 MetadataFactory::free_array<Klass*>(loader_data, ti);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	343 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	344 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	345
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	346 // local interfaces can be empty
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	347 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	348 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	349 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	350 }
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	351
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	352 // 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	353 // InstanceKlass points to.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	354 void InstanceKlass::deallocate_contents(ClassLoaderData* loader_data) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	355
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	356 // 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	357 if (java_mirror() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	358 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	359 }
6725 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 // 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	362 loader_data->remove_class(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	363
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	364 // 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	365 // 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	366 // 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	367 // to deallocate.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	368 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	369
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	370 // 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	371 // reference counting symbol names.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	372 release_C_heap_structures();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	373
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	374 deallocate_methods(loader_data, methods());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	375 set_methods(NULL);
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 if (method_ordering() != Universe::the_empty_int_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	378 MetadataFactory::free_array<int>(loader_data, method_ordering());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	379 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	380 set_method_ordering(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	381
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	382 // 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	383 // 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	384 // interfaces.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 if (secondary_supers() != Universe::the_empty_klass_array() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	386 secondary_supers() != transitive_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	387 MetadataFactory::free_array<Klass*>(loader_data, secondary_supers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	389 set_secondary_supers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	390
8719 c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	391 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	392 set_transitive_interfaces(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	393 set_local_interfaces(NULL);
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 MetadataFactory::free_array<jushort>(loader_data, fields());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	396 set_fields(NULL, 0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	397
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	398 // 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	399 // 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	400 if (constants() != NULL) {
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	401 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	402 MetadataFactory::free_metadata(loader_data, constants());
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	403 set_constants(NULL);
c8b31b461e1a 8003419: NPG: Clean up metadata created during class loading if failure coleenp parents: 8714 diff changeset	404 }
6725 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 if (inner_classes() != Universe::the_empty_short_array()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407 MetadataFactory::free_array<jushort>(loader_data, inner_classes());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	408 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409 set_inner_classes(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	410
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	411 // Null out Java heap objects, although these won't be walked to keep
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	412 // alive once this InstanceKlass is deallocated.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	413 set_protection_domain(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	414 set_signers(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	415 set_init_lock(NULL);
7457 35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	416
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	417 // We should deallocate the Annotations instance
35431a769282 8004823: Add VM support for type annotation reflection stefank parents: 7180 diff changeset	418 MetadataFactory::free_metadata(loader_data, annotations());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	419 set_annotations(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	420 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	421
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	422 bool InstanceKlass::should_be_initialized() const {
0 a61af66fc99e Initial load duke parents: diff changeset	423 return !is_initialized();
a61af66fc99e Initial load duke parents: diff changeset	424 }
a61af66fc99e Initial load duke parents: diff changeset	425
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	426 klassVtable* InstanceKlass::vtable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	427 return new klassVtable(this, start_of_vtable(), vtable_length() / vtableEntry::size());
0 a61af66fc99e Initial load duke parents: diff changeset	428 }
a61af66fc99e Initial load duke parents: diff changeset	429
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 klassItable* InstanceKlass::itable() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	431 return new klassItable(instanceKlassHandle(this));
0 a61af66fc99e Initial load duke parents: diff changeset	432 }
a61af66fc99e Initial load duke parents: diff changeset	433
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	434 void InstanceKlass::eager_initialize(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	435 if (!EagerInitialization) return;
a61af66fc99e Initial load duke parents: diff changeset	436
a61af66fc99e Initial load duke parents: diff changeset	437 if (this->is_not_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	438 // abort if the the class has a class initializer
a61af66fc99e Initial load duke parents: diff changeset	439 if (this->class_initializer() != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	440
a61af66fc99e Initial load duke parents: diff changeset	441 // 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	442 Klass* super = this->super();
0 a61af66fc99e Initial load duke parents: diff changeset	443 if (super == NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	444
a61af66fc99e Initial load duke parents: diff changeset	445 // 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	446 if (!InstanceKlass::cast(super)->is_initialized()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	447
a61af66fc99e Initial load duke parents: diff changeset	448 // call body to expose the this pointer
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	449 instanceKlassHandle this_oop(thread, this);
0 a61af66fc99e Initial load duke parents: diff changeset	450 eager_initialize_impl(this_oop);
a61af66fc99e Initial load duke parents: diff changeset	451 }
a61af66fc99e Initial load duke parents: diff changeset	452 }
a61af66fc99e Initial load duke parents: diff changeset	453
a61af66fc99e Initial load duke parents: diff changeset	454
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	455 void InstanceKlass::eager_initialize_impl(instanceKlassHandle this_oop) {
0 a61af66fc99e Initial load duke parents: diff changeset	456 EXCEPTION_MARK;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	457 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	458 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	459
a61af66fc99e Initial load duke parents: diff changeset	460 // abort if someone beat us to the initialization
a61af66fc99e Initial load duke parents: diff changeset	461 if (!this_oop->is_not_initialized()) return; // note: not equivalent to is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	462
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	463 ClassState old_state = this_oop->init_state();
0 a61af66fc99e Initial load duke parents: diff changeset	464 link_class_impl(this_oop, true, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	465 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	466 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	467 // Abort if linking the class throws an exception.
a61af66fc99e Initial load duke parents: diff changeset	468
a61af66fc99e Initial load duke parents: diff changeset	469 // Use a test to avoid redundantly resetting the state if there's
a61af66fc99e Initial load duke parents: diff changeset	470 // no change. Set_init_state() asserts that state changes make
a61af66fc99e Initial load duke parents: diff changeset	471 // progress, whereas here we might just be spinning in place.
a61af66fc99e Initial load duke parents: diff changeset	472 if( old_state != this_oop->_init_state )
a61af66fc99e Initial load duke parents: diff changeset	473 this_oop->set_init_state (old_state);
a61af66fc99e Initial load duke parents: diff changeset	474 } else {
a61af66fc99e Initial load duke parents: diff changeset	475 // linking successfull, mark class as initialized
a61af66fc99e Initial load duke parents: diff changeset	476 this_oop->set_init_state (fully_initialized);
a61af66fc99e Initial load duke parents: diff changeset	477 // trace
a61af66fc99e Initial load duke parents: diff changeset	478 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	479 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	480 tty->print_cr("[Initialized %s without side effects]", this_oop->external_name());
a61af66fc99e Initial load duke parents: diff changeset	481 }
a61af66fc99e Initial load duke parents: diff changeset	482 }
a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484
a61af66fc99e Initial load duke parents: diff changeset	485
a61af66fc99e Initial load duke parents: diff changeset	486 // See "The Virtual Machine Specification" section 2.16.5 for a detailed explanation of the class initialization
a61af66fc99e Initial load duke parents: diff changeset	487 // process. The step comments refers to the procedure described in that section.
a61af66fc99e Initial load duke parents: diff changeset	488 // 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	489 void InstanceKlass::initialize(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	490 if (this->should_be_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	491 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	492 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	493 initialize_impl(this_oop, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	494 // Note: at this point the class may be initialized
a61af66fc99e Initial load duke parents: diff changeset	495 // OR it may be in the state of being initialized
a61af66fc99e Initial load duke parents: diff changeset	496 // in case of recursive initialization!
a61af66fc99e Initial load duke parents: diff changeset	497 } else {
a61af66fc99e Initial load duke parents: diff changeset	498 assert(is_initialized(), "sanity check");
a61af66fc99e Initial load duke parents: diff changeset	499 }
a61af66fc99e Initial load duke parents: diff changeset	500 }
a61af66fc99e Initial load duke parents: diff changeset	501
a61af66fc99e Initial load duke parents: diff changeset	502
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	503 bool InstanceKlass::verify_code(
0 a61af66fc99e Initial load duke parents: diff changeset	504 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	505 // 1) Verify the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	506 Verifier::Mode mode =
a61af66fc99e Initial load duke parents: diff changeset	507 throw_verifyerror ? Verifier::ThrowException : Verifier::NoException;
973 ad6585fd4087 6830542: Performance: JVM_DefineClass already verified. acorn parents: 964 diff changeset	508 return Verifier::verify(this_oop, mode, this_oop->should_verify_class(), CHECK_false);
0 a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
a61af66fc99e Initial load duke parents: diff changeset	511
a61af66fc99e Initial load duke parents: diff changeset	512 // Used exclusively by the shared spaces dump mechanism to prevent
a61af66fc99e Initial load duke parents: diff changeset	513 // classes mapped into the shared regions in new VMs from appearing linked.
a61af66fc99e Initial load duke parents: diff changeset	514
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	515 void InstanceKlass::unlink_class() {
0 a61af66fc99e Initial load duke parents: diff changeset	516 assert(is_linked(), "must be linked");
a61af66fc99e Initial load duke parents: diff changeset	517 _init_state = loaded;
a61af66fc99e Initial load duke parents: diff changeset	518 }
a61af66fc99e Initial load duke parents: diff changeset	519
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	520 void InstanceKlass::link_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	521 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	522 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	523 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	524 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	525 link_class_impl(this_oop, true, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	526 }
a61af66fc99e Initial load duke parents: diff changeset	527 }
a61af66fc99e Initial load duke parents: diff changeset	528
a61af66fc99e Initial load duke parents: diff changeset	529 // Called to verify that a class can link during initialization, without
a61af66fc99e Initial load duke parents: diff changeset	530 // throwing a VerifyError.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	531 bool InstanceKlass::link_class_or_fail(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	532 assert(is_loaded(), "must be loaded");
a61af66fc99e Initial load duke parents: diff changeset	533 if (!is_linked()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	534 HandleMark hm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	535 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	536 link_class_impl(this_oop, false, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538 return is_linked();
a61af66fc99e Initial load duke parents: diff changeset	539 }
a61af66fc99e Initial load duke parents: diff changeset	540
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	541 bool InstanceKlass::link_class_impl(
0 a61af66fc99e Initial load duke parents: diff changeset	542 instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	543 // check for error state
a61af66fc99e Initial load duke parents: diff changeset	544 if (this_oop->is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	545 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	546 THROW_MSG_(vmSymbols::java_lang_NoClassDefFoundError(),
a61af66fc99e Initial load duke parents: diff changeset	547 this_oop->external_name(), false);
a61af66fc99e Initial load duke parents: diff changeset	548 }
a61af66fc99e Initial load duke parents: diff changeset	549 // return if already verified
a61af66fc99e Initial load duke parents: diff changeset	550 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	551 return true;
a61af66fc99e Initial load duke parents: diff changeset	552 }
a61af66fc99e Initial load duke parents: diff changeset	553
a61af66fc99e Initial load duke parents: diff changeset	554 // Timing
a61af66fc99e Initial load duke parents: diff changeset	555 // timer handles recursion
a61af66fc99e Initial load duke parents: diff changeset	556 assert(THREAD->is_Java_thread(), "non-JavaThread in link_class_impl");
a61af66fc99e Initial load duke parents: diff changeset	557 JavaThread* jt = (JavaThread*)THREAD;
a61af66fc99e Initial load duke parents: diff changeset	558
a61af66fc99e Initial load duke parents: diff changeset	559 // link super class before linking this class
a61af66fc99e Initial load duke parents: diff changeset	560 instanceKlassHandle super(THREAD, this_oop->super());
a61af66fc99e Initial load duke parents: diff changeset	561 if (super.not_null()) {
a61af66fc99e Initial load duke parents: diff changeset	562 if (super->is_interface()) { // check if super class is an interface
a61af66fc99e Initial load duke parents: diff changeset	563 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	564 Exceptions::fthrow(
a61af66fc99e Initial load duke parents: diff changeset	565 THREAD_AND_LOCATION,
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	566 vmSymbols::java_lang_IncompatibleClassChangeError(),
0 a61af66fc99e Initial load duke parents: diff changeset	567 "class %s has interface %s as super class",
a61af66fc99e Initial load duke parents: diff changeset	568 this_oop->external_name(),
a61af66fc99e Initial load duke parents: diff changeset	569 super->external_name()
a61af66fc99e Initial load duke parents: diff changeset	570 );
a61af66fc99e Initial load duke parents: diff changeset	571 return false;
a61af66fc99e Initial load duke parents: diff changeset	572 }
a61af66fc99e Initial load duke parents: diff changeset	573
a61af66fc99e Initial load duke parents: diff changeset	574 link_class_impl(super, throw_verifyerror, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	575 }
a61af66fc99e Initial load duke parents: diff changeset	576
a61af66fc99e Initial load duke parents: diff changeset	577 // 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	578 Array<Klass> interfaces = this_oop->local_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	579 int num_interfaces = interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	580 for (int index = 0; index < num_interfaces; index++) {
a61af66fc99e Initial load duke parents: diff changeset	581 HandleMark hm(THREAD);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	582 instanceKlassHandle ih(THREAD, interfaces->at(index));
0 a61af66fc99e Initial load duke parents: diff changeset	583 link_class_impl(ih, 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 // in case the class is linked in the process of linking its superclasses
a61af66fc99e Initial load duke parents: diff changeset	587 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	588 return true;
a61af66fc99e Initial load duke parents: diff changeset	589 }
a61af66fc99e Initial load duke parents: diff changeset	590
875 6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	591 // 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	592 // the verification time
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	593 PerfClassTraceTime vmtimer(ClassLoader::perf_class_link_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	594 ClassLoader::perf_class_link_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	595 ClassLoader::perf_classes_linked(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	596 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	597 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	598 PerfClassTraceTime::CLASS_LINK);
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	599
0 a61af66fc99e Initial load duke parents: diff changeset	600 // verification & rewriting
a61af66fc99e Initial load duke parents: diff changeset	601 {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	602 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	603 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	604 // rewritten will have been set if loader constraint error found
a61af66fc99e Initial load duke parents: diff changeset	605 // on an earlier link attempt
a61af66fc99e Initial load duke parents: diff changeset	606 // 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	607
0 a61af66fc99e Initial load duke parents: diff changeset	608 if (!this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	609 if (!this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	610 {
a61af66fc99e Initial load duke parents: diff changeset	611 // Timer includes any side effects of class verification (resolution,
a61af66fc99e Initial load duke parents: diff changeset	612 // 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	613 PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	614 ClassLoader::perf_class_verify_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	615 ClassLoader::perf_classes_verified(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	616 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	617 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	618 PerfClassTraceTime::CLASS_VERIFY);
0 a61af66fc99e Initial load duke parents: diff changeset	619 bool verify_ok = verify_code(this_oop, throw_verifyerror, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	620 if (!verify_ok) {
a61af66fc99e Initial load duke parents: diff changeset	621 return false;
a61af66fc99e Initial load duke parents: diff changeset	622 }
a61af66fc99e Initial load duke parents: diff changeset	623 }
a61af66fc99e Initial load duke parents: diff changeset	624
a61af66fc99e Initial load duke parents: diff changeset	625 // Just in case a side-effect of verify linked this class already
a61af66fc99e Initial load duke parents: diff changeset	626 // (which can sometimes happen since the verifier loads classes
a61af66fc99e Initial load duke parents: diff changeset	627 // using custom class loaders, which are free to initialize things)
a61af66fc99e Initial load duke parents: diff changeset	628 if (this_oop->is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	629 return true;
a61af66fc99e Initial load duke parents: diff changeset	630 }
a61af66fc99e Initial load duke parents: diff changeset	631
a61af66fc99e Initial load duke parents: diff changeset	632 // also sets rewritten
a61af66fc99e Initial load duke parents: diff changeset	633 this_oop->rewrite_class(CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	634 }
a61af66fc99e Initial load duke parents: diff changeset	635
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	636 // 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	637 this_oop->link_methods(CHECK_false);
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	638
0 a61af66fc99e Initial load duke parents: diff changeset	639 // Initialize the vtable and interface table after
a61af66fc99e Initial load duke parents: diff changeset	640 // methods have been rewritten since rewrite may
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	641 // fabricate new Method*s.
0 a61af66fc99e Initial load duke parents: diff changeset	642 // also does loader constraint checking
a61af66fc99e Initial load duke parents: diff changeset	643 if (!this_oop()->is_shared()) {
a61af66fc99e Initial load duke parents: diff changeset	644 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	645 this_oop->vtable()->initialize_vtable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	646 this_oop->itable()->initialize_itable(true, CHECK_false);
a61af66fc99e Initial load duke parents: diff changeset	647 }
a61af66fc99e Initial load duke parents: diff changeset	648 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	649 else {
a61af66fc99e Initial load duke parents: diff changeset	650 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	651 this_oop->vtable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	652 // In case itable verification is ever added.
a61af66fc99e Initial load duke parents: diff changeset	653 // this_oop->itable()->verify(tty, true);
a61af66fc99e Initial load duke parents: diff changeset	654 }
a61af66fc99e Initial load duke parents: diff changeset	655 #endif
a61af66fc99e Initial load duke parents: diff changeset	656 this_oop->set_init_state(linked);
a61af66fc99e Initial load duke parents: diff changeset	657 if (JvmtiExport::should_post_class_prepare()) {
a61af66fc99e Initial load duke parents: diff changeset	658 Thread *thread = THREAD;
a61af66fc99e Initial load duke parents: diff changeset	659 assert(thread->is_Java_thread(), "thread->is_Java_thread()");
a61af66fc99e Initial load duke parents: diff changeset	660 JvmtiExport::post_class_prepare((JavaThread *) thread, this_oop());
a61af66fc99e Initial load duke parents: diff changeset	661 }
a61af66fc99e Initial load duke parents: diff changeset	662 }
a61af66fc99e Initial load duke parents: diff changeset	663 }
a61af66fc99e Initial load duke parents: diff changeset	664 return true;
a61af66fc99e Initial load duke parents: diff changeset	665 }
a61af66fc99e Initial load duke parents: diff changeset	666
a61af66fc99e Initial load duke parents: diff changeset	667
a61af66fc99e Initial load duke parents: diff changeset	668 // Rewrite the byte codes of all of the methods of a class.
a61af66fc99e Initial load duke parents: diff changeset	669 // The rewriter must be called exactly once. Rewriting must happen after
a61af66fc99e Initial load duke parents: diff changeset	670 // 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	671 void InstanceKlass::rewrite_class(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	672 assert(is_loaded(), "must be loaded");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	673 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	674 if (this_oop->is_rewritten()) {
a61af66fc99e Initial load duke parents: diff changeset	675 assert(this_oop()->is_shared(), "rewriting an unshared class?");
a61af66fc99e Initial load duke parents: diff changeset	676 return;
a61af66fc99e Initial load duke parents: diff changeset	677 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	678 Rewriter::rewrite(this_oop, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	679 this_oop->set_rewritten();
a61af66fc99e Initial load duke parents: diff changeset	680 }
a61af66fc99e Initial load duke parents: diff changeset	681
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	682 // 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	683 // 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	684 // 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	685 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	686 int len = methods()->length();
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	687 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	688 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	689
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	690 // 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	691 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	692
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	693 // 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	694 #ifdef ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	695 if (StressMethodComparator) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	696 ResourceMark rm(THREAD);
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	697 static int nmc = 0;
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	698 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	699 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	700 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	701 methods()->at(j));
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	702 if (j == i && !z) {
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	703 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	704 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	705 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	706 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	707 }
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	708 #endif //ASSERT
cc6a617fffd2 8005494: SIGSEGV in Rewriter::relocate_and_link() when testing Weblogic with CompressedOops and KlassPtrs coleenp parents: 7457 diff changeset	709 }
3748 d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	710 }
d3b9f2be46ab 7033141: assert(has_cp_cache(i)) failed: oob coleenp parents: 2408 diff changeset	711
0 a61af66fc99e Initial load duke parents: diff changeset	712
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	713 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	714 // Make sure klass is linked (verified) before initialization
a61af66fc99e Initial load duke parents: diff changeset	715 // A class could already be verified, since it has been reflected upon.
a61af66fc99e Initial load duke parents: diff changeset	716 this_oop->link_class(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	717
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	718 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	719
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	720 bool wait = false;
e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	721
0 a61af66fc99e Initial load duke parents: diff changeset	722 // refer to the JVM book page 47 for description of steps
a61af66fc99e Initial load duke parents: diff changeset	723 // Step 1
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	724 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	725 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	726 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	727
a61af66fc99e Initial load duke parents: diff changeset	728 Thread *self = THREAD; // it's passed the current thread
a61af66fc99e Initial load duke parents: diff changeset	729
a61af66fc99e Initial load duke parents: diff changeset	730 // Step 2
a61af66fc99e Initial load duke parents: diff changeset	731 // If we were to use wait() instead of waitInterruptibly() then
a61af66fc99e Initial load duke parents: diff changeset	732 // we might end up throwing IE from link/symbol resolution sites
a61af66fc99e Initial load duke parents: diff changeset	733 // that aren't expected to throw. This would wreak havoc. See 6320309.
a61af66fc99e Initial load duke parents: diff changeset	734 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	735 wait = true;
0 a61af66fc99e Initial load duke parents: diff changeset	736 ol.waitUninterruptibly(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	737 }
a61af66fc99e Initial load duke parents: diff changeset	738
a61af66fc99e Initial load duke parents: diff changeset	739 // Step 3
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	740 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	741 DTRACE_CLASSINIT_PROBE_WAIT(recursive, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	742 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	743 }
0 a61af66fc99e Initial load duke parents: diff changeset	744
a61af66fc99e Initial load duke parents: diff changeset	745 // Step 4
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	746 if (this_oop->is_initialized()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	747 DTRACE_CLASSINIT_PROBE_WAIT(concurrent, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	748 return;
1324 e392695de029 6935224: Adding new DTrace probes to work with Palantir fparain parents: 1155 diff changeset	749 }
0 a61af66fc99e Initial load duke parents: diff changeset	750
a61af66fc99e Initial load duke parents: diff changeset	751 // Step 5
a61af66fc99e Initial load duke parents: diff changeset	752 if (this_oop->is_in_error_state()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	753 DTRACE_CLASSINIT_PROBE_WAIT(erroneous, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	754 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	755 const char* desc = "Could not initialize class ";
a61af66fc99e Initial load duke parents: diff changeset	756 const char* className = this_oop->external_name();
a61af66fc99e Initial load duke parents: diff changeset	757 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	758 char* message = NEW_RESOURCE_ARRAY(char, msglen);
0 a61af66fc99e Initial load duke parents: diff changeset	759 if (NULL == message) {
a61af66fc99e Initial load duke parents: diff changeset	760 // Out of memory: can't create detailed error message
a61af66fc99e Initial load duke parents: diff changeset	761 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), className);
a61af66fc99e Initial load duke parents: diff changeset	762 } else {
a61af66fc99e Initial load duke parents: diff changeset	763 jio_snprintf(message, msglen, "%s%s", desc, className);
a61af66fc99e Initial load duke parents: diff changeset	764 THROW_MSG(vmSymbols::java_lang_NoClassDefFoundError(), message);
a61af66fc99e Initial load duke parents: diff changeset	765 }
a61af66fc99e Initial load duke parents: diff changeset	766 }
a61af66fc99e Initial load duke parents: diff changeset	767
a61af66fc99e Initial load duke parents: diff changeset	768 // Step 6
a61af66fc99e Initial load duke parents: diff changeset	769 this_oop->set_init_state(being_initialized);
a61af66fc99e Initial load duke parents: diff changeset	770 this_oop->set_init_thread(self);
a61af66fc99e Initial load duke parents: diff changeset	771 }
a61af66fc99e Initial load duke parents: diff changeset	772
a61af66fc99e Initial load duke parents: diff changeset	773 // Step 7
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	774 Klass* super_klass = this_oop->super();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	775 if (super_klass != NULL && !this_oop->is_interface() && super_klass->should_be_initialized()) {
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	776 super_klass->initialize(THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	777
a61af66fc99e Initial load duke parents: diff changeset	778 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	779 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	780 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	781 {
a61af66fc99e Initial load duke parents: diff changeset	782 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	783 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	784 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, superclass initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	785 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	786 DTRACE_CLASSINIT_PROBE_WAIT(super__failed, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	787 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	788 }
a61af66fc99e Initial load duke parents: diff changeset	789 }
a61af66fc99e Initial load duke parents: diff changeset	790
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	791 if (this_oop->has_default_methods()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	792 // Step 7.5: initialize any interfaces which have default methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	793 for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	794 Klass* iface = this_oop->local_interfaces()->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	795 InstanceKlass* ik = InstanceKlass::cast(iface);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	796 if (ik->has_default_methods() && ik->should_be_initialized()) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	797 ik->initialize(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	798
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	799 if (HAS_PENDING_EXCEPTION) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	800 Handle e(THREAD, PENDING_EXCEPTION);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	801 CLEAR_PENDING_EXCEPTION;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	802 {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	803 EXCEPTION_MARK;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	804 // Locks object, set state, and notify all waiting threads
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	805 this_oop->set_initialization_state_and_notify(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	806 initialization_error, 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 // ignore any exception thrown, superclass initialization error is
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	809 // thrown below
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 DTRACE_CLASSINIT_PROBE_WAIT(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	813 super__failed, InstanceKlass::cast(this_oop()), -1, wait);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	814 THROW_OOP(e());
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	815 }
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 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	818 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	819
0 a61af66fc99e Initial load duke parents: diff changeset	820 // Step 8
a61af66fc99e Initial load duke parents: diff changeset	821 {
a61af66fc99e Initial load duke parents: diff changeset	822 assert(THREAD->is_Java_thread(), "non-JavaThread in initialize_impl");
a61af66fc99e Initial load duke parents: diff changeset	823 JavaThread* jt = (JavaThread*)THREAD;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	824 DTRACE_CLASSINIT_PROBE_WAIT(clinit, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	825 // Timer includes any side effects of class initialization (resolution,
a61af66fc99e Initial load duke parents: diff changeset	826 // 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	827 PerfClassTraceTime timer(ClassLoader::perf_class_init_time(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	828 ClassLoader::perf_class_init_selftime(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	829 ClassLoader::perf_classes_inited(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	830 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	831 jt->get_thread_stat()->perf_timers_addr(),
6a93908f268f 6857194: Add hotspot perf counters to aid class loading performance measurement mchung parents: 676 diff changeset	832 PerfClassTraceTime::CLASS_CLINIT);
0 a61af66fc99e Initial load duke parents: diff changeset	833 this_oop->call_class_initializer(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	834 }
a61af66fc99e Initial load duke parents: diff changeset	835
a61af66fc99e Initial load duke parents: diff changeset	836 // Step 9
a61af66fc99e Initial load duke parents: diff changeset	837 if (!HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load duke parents: diff changeset	838 this_oop->set_initialization_state_and_notify(fully_initialized, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	839 { ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	840 debug_only(this_oop->vtable()->verify(tty, true);)
a61af66fc99e Initial load duke parents: diff changeset	841 }
a61af66fc99e Initial load duke parents: diff changeset	842 }
a61af66fc99e Initial load duke parents: diff changeset	843 else {
a61af66fc99e Initial load duke parents: diff changeset	844 // Step 10 and 11
a61af66fc99e Initial load duke parents: diff changeset	845 Handle e(THREAD, PENDING_EXCEPTION);
a61af66fc99e Initial load duke parents: diff changeset	846 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load duke parents: diff changeset	847 {
a61af66fc99e Initial load duke parents: diff changeset	848 EXCEPTION_MARK;
a61af66fc99e Initial load duke parents: diff changeset	849 this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	850 CLEAR_PENDING_EXCEPTION; // ignore any exception thrown, class initialization error is thrown below
a61af66fc99e Initial load duke parents: diff changeset	851 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	852 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	853 if (e->is_a(SystemDictionary::Error_klass())) {
0 a61af66fc99e Initial load duke parents: diff changeset	854 THROW_OOP(e());
a61af66fc99e Initial load duke parents: diff changeset	855 } else {
a61af66fc99e Initial load duke parents: diff changeset	856 JavaCallArguments args(e);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	857 THROW_ARG(vmSymbols::java_lang_ExceptionInInitializerError(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	858 vmSymbols::throwable_void_signature(),
0 a61af66fc99e Initial load duke parents: diff changeset	859 &args);
a61af66fc99e Initial load duke parents: diff changeset	860 }
a61af66fc99e Initial load duke parents: diff changeset	861 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	862 DTRACE_CLASSINIT_PROBE_WAIT(end, InstanceKlass::cast(this_oop()), -1,wait);
0 a61af66fc99e Initial load duke parents: diff changeset	863 }
a61af66fc99e Initial load duke parents: diff changeset	864
a61af66fc99e Initial load duke parents: diff changeset	865
a61af66fc99e Initial load duke parents: diff changeset	866 // 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	867 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	868 instanceKlassHandle kh(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	869 set_initialization_state_and_notify_impl(kh, state, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	870 }
a61af66fc99e Initial load duke parents: diff changeset	871
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	872 void InstanceKlass::set_initialization_state_and_notify_impl(instanceKlassHandle this_oop, ClassState state, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	873 volatile oop init_lock = this_oop->init_lock();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	874 ObjectLocker ol(init_lock, THREAD);
0 a61af66fc99e Initial load duke parents: diff changeset	875 this_oop->set_init_state(state);
a61af66fc99e Initial load duke parents: diff changeset	876 ol.notify_all(CHECK);
a61af66fc99e Initial load duke parents: diff changeset	877 }
a61af66fc99e Initial load duke parents: diff changeset	878
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	879 // 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	880 // 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	881 // 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	882 // 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	883 // NULL - no implementor
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	884 // 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	885 // 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	886 //
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	887 // The _implementor field only exists for interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	888 void InstanceKlass::add_implementor(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	889 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	890 assert(is_interface(), "not interface");
0 a61af66fc99e Initial load duke parents: diff changeset	891 // Filter out my subinterfaces.
a61af66fc99e Initial load duke parents: diff changeset	892 // (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	893 if (InstanceKlass::cast(k)->is_interface()) return;
0 a61af66fc99e Initial load duke parents: diff changeset	894
a61af66fc99e Initial load duke parents: diff changeset	895 // Filter out subclasses whose supers already implement me.
a61af66fc99e Initial load duke parents: diff changeset	896 // (Note: CHA must walk subclasses of direct implementors
a61af66fc99e Initial load duke parents: diff changeset	897 // in order to locate indirect implementors.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	898 Klass* sk = InstanceKlass::cast(k)->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	899 if (sk != NULL && InstanceKlass::cast(sk)->implements_interface(this))
0 a61af66fc99e Initial load duke parents: diff changeset	900 // We only need to check one immediate superclass, since the
a61af66fc99e Initial load duke parents: diff changeset	901 // implements_interface query looks at transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	902 // Any supers of the super have the same (or fewer) transitive_interfaces.
a61af66fc99e Initial load duke parents: diff changeset	903 return;
a61af66fc99e Initial load duke parents: diff changeset	904
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	905 Klass* ik = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	906 if (ik == NULL) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	907 set_implementor(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	908 } 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	909 // 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	910 // more than one implementors.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	911 set_implementor(this);
0 a61af66fc99e Initial load duke parents: diff changeset	912 }
a61af66fc99e Initial load duke parents: diff changeset	913
a61af66fc99e Initial load duke parents: diff changeset	914 // The implementor also implements the transitive_interfaces
a61af66fc99e Initial load duke parents: diff changeset	915 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	916 InstanceKlass::cast(local_interfaces()->at(index))->add_implementor(k);
0 a61af66fc99e Initial load duke parents: diff changeset	917 }
a61af66fc99e Initial load duke parents: diff changeset	918 }
a61af66fc99e Initial load duke parents: diff changeset	919
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	920 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	921 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	922 set_implementor(NULL);
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	923 }
0 a61af66fc99e Initial load duke parents: diff changeset	924 }
a61af66fc99e Initial load duke parents: diff changeset	925
a61af66fc99e Initial load duke parents: diff changeset	926
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	927 void InstanceKlass::process_interfaces(Thread *thread) {
0 a61af66fc99e Initial load duke parents: diff changeset	928 // 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	929 Klass* this_as_klass_oop = this;
0 a61af66fc99e Initial load duke parents: diff changeset	930 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	931 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	932 InstanceKlass* interf = InstanceKlass::cast(local_interfaces()->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	933 assert(interf->is_interface(), "expected interface");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	934 interf->add_implementor(this_as_klass_oop);
0 a61af66fc99e Initial load duke parents: diff changeset	935 }
a61af66fc99e Initial load duke parents: diff changeset	936 }
a61af66fc99e Initial load duke parents: diff changeset	937
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	938 bool InstanceKlass::can_be_primary_super_slow() const {
0 a61af66fc99e Initial load duke parents: diff changeset	939 if (is_interface())
a61af66fc99e Initial load duke parents: diff changeset	940 return false;
a61af66fc99e Initial load duke parents: diff changeset	941 else
a61af66fc99e Initial load duke parents: diff changeset	942 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	943 }
a61af66fc99e Initial load duke parents: diff changeset	944
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	945 GrowableArray<Klass> InstanceKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	946 // The secondaries are the implemented interfaces.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	947 InstanceKlass* ik = InstanceKlass::cast(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	948 Array<Klass> interfaces = ik->transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	949 int num_secondaries = num_extra_slots + interfaces->length();
a61af66fc99e Initial load duke parents: diff changeset	950 if (num_secondaries == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	951 // Must share this for correct bootstrapping!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	952 set_secondary_supers(Universe::the_empty_klass_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	953 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	954 } else if (num_extra_slots == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	955 // 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	956 // 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	957 set_secondary_supers(interfaces);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	958 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	959 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	960 // 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	961 // into the secondary super list with extra slots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	962 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(interfaces->length());
0 a61af66fc99e Initial load duke parents: diff changeset	963 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	964 secondaries->push(interfaces->at(i));
0 a61af66fc99e Initial load duke parents: diff changeset	965 }
a61af66fc99e Initial load duke parents: diff changeset	966 return secondaries;
a61af66fc99e Initial load duke parents: diff changeset	967 }
a61af66fc99e Initial load duke parents: diff changeset	968 }
a61af66fc99e Initial load duke parents: diff changeset	969
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	970 bool InstanceKlass::compute_is_subtype_of(Klass* k) {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	971 if (k->is_interface()) {
0 a61af66fc99e Initial load duke parents: diff changeset	972 return implements_interface(k);
a61af66fc99e Initial load duke parents: diff changeset	973 } else {
a61af66fc99e Initial load duke parents: diff changeset	974 return Klass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	975 }
a61af66fc99e Initial load duke parents: diff changeset	976 }
a61af66fc99e Initial load duke parents: diff changeset	977
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	978 bool InstanceKlass::implements_interface(Klass* k) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	979 if (this == k) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	980 assert(k->is_interface(), "should be an interface class");
0 a61af66fc99e Initial load duke parents: diff changeset	981 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	982 if (transitive_interfaces()->at(i) == k) {
0 a61af66fc99e Initial load duke parents: diff changeset	983 return true;
a61af66fc99e Initial load duke parents: diff changeset	984 }
a61af66fc99e Initial load duke parents: diff changeset	985 }
a61af66fc99e Initial load duke parents: diff changeset	986 return false;
a61af66fc99e Initial load duke parents: diff changeset	987 }
a61af66fc99e Initial load duke parents: diff changeset	988
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	989 objArrayOop InstanceKlass::allocate_objArray(int n, int length, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	990 if (length < 0) THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	991 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	992 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	993 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	994 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	995 }
a61af66fc99e Initial load duke parents: diff changeset	996 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	997 Klass* ak = array_klass(n, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	998 KlassHandle h_ak (THREAD, ak);
a61af66fc99e Initial load duke parents: diff changeset	999 objArrayOop o =
a61af66fc99e Initial load duke parents: diff changeset	1000 (objArrayOop)CollectedHeap::array_allocate(h_ak, size, length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1001 return o;
a61af66fc99e Initial load duke parents: diff changeset	1002 }
a61af66fc99e Initial load duke parents: diff changeset	1003
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1004 instanceOop InstanceKlass::register_finalizer(instanceOop i, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1005 if (TraceFinalizerRegistration) {
a61af66fc99e Initial load duke parents: diff changeset	1006 tty->print("Registered ");
a61af66fc99e Initial load duke parents: diff changeset	1007 i->print_value_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	1008 tty->print_cr(" (" INTPTR_FORMAT ") as finalizable", (address)i);
a61af66fc99e Initial load duke parents: diff changeset	1009 }
a61af66fc99e Initial load duke parents: diff changeset	1010 instanceHandle h_i(THREAD, i);
a61af66fc99e Initial load duke parents: diff changeset	1011 // Pass the handle as argument, JavaCalls::call expects oop as jobjects
a61af66fc99e Initial load duke parents: diff changeset	1012 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1013 JavaCallArguments args(h_i);
a61af66fc99e Initial load duke parents: diff changeset	1014 methodHandle mh (THREAD, Universe::finalizer_register_method());
a61af66fc99e Initial load duke parents: diff changeset	1015 JavaCalls::call(&result, mh, &args, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1016 return h_i();
a61af66fc99e Initial load duke parents: diff changeset	1017 }
a61af66fc99e Initial load duke parents: diff changeset	1018
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1019 instanceOop InstanceKlass::allocate_instance(TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1020 bool has_finalizer_flag = has_finalizer(); // Query before possible GC
a61af66fc99e Initial load duke parents: diff changeset	1021 int size = size_helper(); // Query before forming handle.
a61af66fc99e Initial load duke parents: diff changeset	1022
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1023 KlassHandle h_k(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1024
a61af66fc99e Initial load duke parents: diff changeset	1025 instanceOop i;
a61af66fc99e Initial load duke parents: diff changeset	1026
a61af66fc99e Initial load duke parents: diff changeset	1027 i = (instanceOop)CollectedHeap::obj_allocate(h_k, size, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1028 if (has_finalizer_flag && !RegisterFinalizersAtInit) {
a61af66fc99e Initial load duke parents: diff changeset	1029 i = register_finalizer(i, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1030 }
a61af66fc99e Initial load duke parents: diff changeset	1031 return i;
a61af66fc99e Initial load duke parents: diff changeset	1032 }
a61af66fc99e Initial load duke parents: diff changeset	1033
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1034 void InstanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1035 if (is_interface() \|\| is_abstract()) {
a61af66fc99e Initial load duke parents: diff changeset	1036 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1037 THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
a61af66fc99e Initial load duke parents: diff changeset	1038 : vmSymbols::java_lang_InstantiationException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1039 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1040 if (this == SystemDictionary::Class_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	1041 ResourceMark rm(THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1042 THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
a61af66fc99e Initial load duke parents: diff changeset	1043 : vmSymbols::java_lang_IllegalAccessException(), external_name());
a61af66fc99e Initial load duke parents: diff changeset	1044 }
a61af66fc99e Initial load duke parents: diff changeset	1045 }
a61af66fc99e Initial load duke parents: diff changeset	1046
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1047 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	1048 instanceKlassHandle this_oop(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1049 return array_klass_impl(this_oop, or_null, n, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1050 }
a61af66fc99e Initial load duke parents: diff changeset	1051
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1052 Klass* InstanceKlass::array_klass_impl(instanceKlassHandle this_oop, bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1053 if (this_oop->array_klasses() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1054 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1055
a61af66fc99e Initial load duke parents: diff changeset	1056 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1057 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	1058 {
a61af66fc99e Initial load duke parents: diff changeset	1059 // Atomic creation of array_klasses
a61af66fc99e Initial load duke parents: diff changeset	1060 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	1061 MutexLocker ma(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1062
a61af66fc99e Initial load duke parents: diff changeset	1063 // Check if update has already taken place
a61af66fc99e Initial load duke parents: diff changeset	1064 if (this_oop->array_klasses() == NULL) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1065 Klass* k = ObjArrayKlass::allocate_objArray_klass(this_oop->class_loader_data(), 1, this_oop, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	1066 this_oop->set_array_klasses(k);
a61af66fc99e Initial load duke parents: diff changeset	1067 }
a61af66fc99e Initial load duke parents: diff changeset	1068 }
a61af66fc99e Initial load duke parents: diff changeset	1069 }
a61af66fc99e Initial load duke parents: diff changeset	1070 // _this will always be set at this point
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1071 ObjArrayKlass* oak = (ObjArrayKlass*)this_oop->array_klasses();
0 a61af66fc99e Initial load duke parents: diff changeset	1072 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	1073 return oak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	1074 }
a61af66fc99e Initial load duke parents: diff changeset	1075 return oak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	1076 }
a61af66fc99e Initial load duke parents: diff changeset	1077
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1078 Klass* InstanceKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	1079 return array_klass_impl(or_null, 1, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1080 }
a61af66fc99e Initial load duke parents: diff changeset	1081
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1082 void InstanceKlass::call_class_initializer(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1083 instanceKlassHandle ik (THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1084 call_class_initializer_impl(ik, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	1085 }
a61af66fc99e Initial load duke parents: diff changeset	1086
a61af66fc99e Initial load duke parents: diff changeset	1087 static int call_class_initializer_impl_counter = 0; // for debugging
a61af66fc99e Initial load duke parents: diff changeset	1088
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1089 Method* InstanceKlass::class_initializer() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1090 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	1091 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	1092 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	1093 return clinit;
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1094 }
dbad0519a1c4 6845426: non-static <clinit> method with no args is called during the class initialization process kamg parents: 2227 diff changeset	1095 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1096 }
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 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	1099 if (ReplayCompiles &&
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1100 (ReplaySuppressInitializers == 1 \|\|
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1101 ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1102 // 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	1103 return;
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1104 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6934 diff changeset	1105
0 a61af66fc99e Initial load duke parents: diff changeset	1106 methodHandle h_method(THREAD, this_oop->class_initializer());
a61af66fc99e Initial load duke parents: diff changeset	1107 assert(!this_oop->is_initialized(), "we cannot initialize twice");
a61af66fc99e Initial load duke parents: diff changeset	1108 if (TraceClassInitialization) {
a61af66fc99e Initial load duke parents: diff changeset	1109 tty->print("%d Initializing ", call_class_initializer_impl_counter++);
a61af66fc99e Initial load duke parents: diff changeset	1110 this_oop->name()->print_value();
a61af66fc99e Initial load duke parents: diff changeset	1111 tty->print_cr("%s (" INTPTR_FORMAT ")", h_method() == NULL ? "(no method)" : "", (address)this_oop());
a61af66fc99e Initial load duke parents: diff changeset	1112 }
a61af66fc99e Initial load duke parents: diff changeset	1113 if (h_method() != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1114 JavaCallArguments args; // No arguments
a61af66fc99e Initial load duke parents: diff changeset	1115 JavaValue result(T_VOID);
a61af66fc99e Initial load duke parents: diff changeset	1116 JavaCalls::call(&result, h_method, &args, CHECK); // Static call (no args)
a61af66fc99e Initial load duke parents: diff changeset	1117 }
a61af66fc99e Initial load duke parents: diff changeset	1118 }
a61af66fc99e Initial load duke parents: diff changeset	1119
a61af66fc99e Initial load duke parents: diff changeset	1120
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1121 void InstanceKlass::mask_for(methodHandle method, int bci,
0 a61af66fc99e Initial load duke parents: diff changeset	1122 InterpreterOopMap* entry_for) {
a61af66fc99e Initial load duke parents: diff changeset	1123 // Dirty read, then double-check under a lock.
a61af66fc99e Initial load duke parents: diff changeset	1124 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1125 // Otherwise, allocate a new one.
a61af66fc99e Initial load duke parents: diff changeset	1126 MutexLocker x(OopMapCacheAlloc_lock);
a61af66fc99e Initial load duke parents: diff changeset	1127 // First time use. Allocate a cache in C heap
a61af66fc99e Initial load duke parents: diff changeset	1128 if (_oop_map_cache == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1129 _oop_map_cache = new OopMapCache();
a61af66fc99e Initial load duke parents: diff changeset	1130 }
a61af66fc99e Initial load duke parents: diff changeset	1131 }
a61af66fc99e Initial load duke parents: diff changeset	1132 // _oop_map_cache is constant after init; lookup below does is own locking.
a61af66fc99e Initial load duke parents: diff changeset	1133 _oop_map_cache->lookup(method, bci, entry_for);
a61af66fc99e Initial load duke parents: diff changeset	1134 }
a61af66fc99e Initial load duke parents: diff changeset	1135
a61af66fc99e Initial load duke parents: diff changeset	1136
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1137 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	1138 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1139 Symbol* f_name = fs.name();
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1140 Symbol* f_sig = fs.signature();
0 a61af66fc99e Initial load duke parents: diff changeset	1141 if (f_name == name && f_sig == sig) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1142 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1143 return true;
a61af66fc99e Initial load duke parents: diff changeset	1144 }
a61af66fc99e Initial load duke parents: diff changeset	1145 }
a61af66fc99e Initial load duke parents: diff changeset	1146 return false;
a61af66fc99e Initial load duke parents: diff changeset	1147 }
a61af66fc99e Initial load duke parents: diff changeset	1148
a61af66fc99e Initial load duke parents: diff changeset	1149
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1150 Klass* InstanceKlass::find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1151 const int n = local_interfaces()->length();
a61af66fc99e Initial load duke parents: diff changeset	1152 for (int i = 0; i < n; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1153 Klass* intf1 = local_interfaces()->at(i);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1154 assert(intf1->is_interface(), "just checking type");
0 a61af66fc99e Initial load duke parents: diff changeset	1155 // search for field in current interface
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1156 if (InstanceKlass::cast(intf1)->find_local_field(name, sig, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1157 assert(fd->is_static(), "interface field must be static");
a61af66fc99e Initial load duke parents: diff changeset	1158 return intf1;
a61af66fc99e Initial load duke parents: diff changeset	1159 }
a61af66fc99e Initial load duke parents: diff changeset	1160 // search for field in direct superinterfaces
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1161 Klass* intf2 = InstanceKlass::cast(intf1)->find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1162 if (intf2 != NULL) return intf2;
a61af66fc99e Initial load duke parents: diff changeset	1163 }
a61af66fc99e Initial load duke parents: diff changeset	1164 // otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1165 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1166 }
a61af66fc99e Initial load duke parents: diff changeset	1167
a61af66fc99e Initial load duke parents: diff changeset	1168
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1169 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1170 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1171 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1172 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1173 return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1174 }
a61af66fc99e Initial load duke parents: diff changeset	1175 // 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	1176 { Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1177 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1178 }
a61af66fc99e Initial load duke parents: diff changeset	1179 // 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	1180 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1181 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1182 }
a61af66fc99e Initial load duke parents: diff changeset	1183 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1184 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1185 }
a61af66fc99e Initial load duke parents: diff changeset	1186
a61af66fc99e Initial load duke parents: diff changeset	1187
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1188 Klass* InstanceKlass::find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const {
0 a61af66fc99e Initial load duke parents: diff changeset	1189 // search order according to newest JVM spec (5.4.3.2, p.167).
a61af66fc99e Initial load duke parents: diff changeset	1190 // 1) search for field in current klass
a61af66fc99e Initial load duke parents: diff changeset	1191 if (find_local_field(name, sig, fd)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1192 if (fd->is_static() == is_static) return const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1193 }
a61af66fc99e Initial load duke parents: diff changeset	1194 // 2) search for field recursively in direct superinterfaces
a61af66fc99e Initial load duke parents: diff changeset	1195 if (is_static) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1196 Klass* intf = find_interface_field(name, sig, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1197 if (intf != NULL) return intf;
a61af66fc99e Initial load duke parents: diff changeset	1198 }
a61af66fc99e Initial load duke parents: diff changeset	1199 // 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	1200 { Klass* supr = super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1201 if (supr != NULL) return InstanceKlass::cast(supr)->find_field(name, sig, is_static, fd);
0 a61af66fc99e Initial load duke parents: diff changeset	1202 }
a61af66fc99e Initial load duke parents: diff changeset	1203 // 4) otherwise field lookup fails
a61af66fc99e Initial load duke parents: diff changeset	1204 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1205 }
a61af66fc99e Initial load duke parents: diff changeset	1206
a61af66fc99e Initial load duke parents: diff changeset	1207
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1208 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	1209 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1210 if (fs.offset() == offset) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1211 fd->initialize(const_cast<InstanceKlass*>(this), fs.index());
0 a61af66fc99e Initial load duke parents: diff changeset	1212 if (fd->is_static() == is_static) return true;
a61af66fc99e Initial load duke parents: diff changeset	1213 }
a61af66fc99e Initial load duke parents: diff changeset	1214 }
a61af66fc99e Initial load duke parents: diff changeset	1215 return false;
a61af66fc99e Initial load duke parents: diff changeset	1216 }
a61af66fc99e Initial load duke parents: diff changeset	1217
a61af66fc99e Initial load duke parents: diff changeset	1218
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1219 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	1220 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1221 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1222 if (InstanceKlass::cast(klass)->find_local_field_from_offset(offset, is_static, fd)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1223 return true;
a61af66fc99e Initial load duke parents: diff changeset	1224 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	1225 klass = klass->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1226 }
a61af66fc99e Initial load duke parents: diff changeset	1227 return false;
a61af66fc99e Initial load duke parents: diff changeset	1228 }
a61af66fc99e Initial load duke parents: diff changeset	1229
a61af66fc99e Initial load duke parents: diff changeset	1230
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1231 void InstanceKlass::methods_do(void f(Method* method)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1232 int len = methods()->length();
a61af66fc99e Initial load duke parents: diff changeset	1233 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1234 Method* m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1235 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1236 f(m);
a61af66fc99e Initial load duke parents: diff changeset	1237 }
a61af66fc99e Initial load duke parents: diff changeset	1238 }
a61af66fc99e Initial load duke parents: diff changeset	1239
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	1240
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1241 void InstanceKlass::do_local_static_fields(FieldClosure* cl) {
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1242 for (JavaFieldStream fs(this); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1243 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1244 fieldDescriptor fd;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1245 fd.initialize(this, fs.index());
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1246 cl->do_field(&fd);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1247 }
0 a61af66fc99e Initial load duke parents: diff changeset	1248 }
a61af66fc99e Initial load duke parents: diff changeset	1249 }
a61af66fc99e Initial load duke parents: diff changeset	1250
a61af66fc99e Initial load duke parents: diff changeset	1251
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1252 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	1253 instanceKlassHandle h_this(THREAD, this);
0 a61af66fc99e Initial load duke parents: diff changeset	1254 do_local_static_fields_impl(h_this, f, CHECK);
a61af66fc99e Initial load duke parents: diff changeset	1255 }
a61af66fc99e Initial load duke parents: diff changeset	1256
a61af66fc99e Initial load duke parents: diff changeset	1257
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1258 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	1259 for (JavaFieldStream fs(this_oop()); !fs.done(); fs.next()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1260 if (fs.access_flags().is_static()) {
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1261 fieldDescriptor fd;
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1262 fd.initialize(this_oop(), fs.index());
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1263 f(&fd, CHECK);
e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1264 }
0 a61af66fc99e Initial load duke parents: diff changeset	1265 }
a61af66fc99e Initial load duke parents: diff changeset	1266 }
a61af66fc99e Initial load duke parents: diff changeset	1267
a61af66fc99e Initial load duke parents: diff changeset	1268
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1269 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	1270 return a[0] - b[0];
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1271 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1272
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1273 void InstanceKlass::do_nonstatic_fields(FieldClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1274 InstanceKlass* super = superklass();
0 a61af66fc99e Initial load duke parents: diff changeset	1275 if (super != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1276 super->do_nonstatic_fields(cl);
a61af66fc99e Initial load duke parents: diff changeset	1277 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1278 fieldDescriptor fd;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1279 int length = java_fields_count();
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1280 // In DebugInfo nonstatic fields are sorted by offset.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1281 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	1282 int j = 0;
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3852 diff changeset	1283 for (int i = 0; i < length; i += 1) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1284 fd.initialize(this, i);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1285 if (!fd.is_static()) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1286 fields_sorted[j + 0] = fd.offset();
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1287 fields_sorted[j + 1] = i;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1288 j += 2;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1289 }
0 a61af66fc99e Initial load duke parents: diff changeset	1290 }
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1291 if (j > 0) {
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1292 length = j;
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1293 // _sort_Fn is defined in growableArray.hpp.
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1294 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	1295 for (int i = 0; i < length; i += 2) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1296 fd.initialize(this, fields_sorted[i + 1]);
44 52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1297 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	1298 cl->do_field(&fd);
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1299 }
52fed2ec0afb 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects kvn parents: 0 diff changeset	1300 }
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1301 FREE_C_HEAP_ARRAY(int, fields_sorted, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1302 }
a61af66fc99e Initial load duke parents: diff changeset	1303
a61af66fc99e Initial load duke parents: diff changeset	1304
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1305 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	1306 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1307 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	1308 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1309
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1310 void InstanceKlass::array_klasses_do(void f(Klass* k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	1311 if (array_klasses() != NULL)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	1312 ArrayKlass::cast(array_klasses())->array_klasses_do(f);
0 a61af66fc99e Initial load duke parents: diff changeset	1313 }
a61af66fc99e Initial load duke parents: diff changeset	1314
a61af66fc99e Initial load duke parents: diff changeset	1315
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1316 void InstanceKlass::with_array_klasses_do(void f(Klass* k)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1317 f(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1318 array_klasses_do(f);
a61af66fc99e Initial load duke parents: diff changeset	1319 }
a61af66fc99e Initial load duke parents: diff changeset	1320
a61af66fc99e Initial load duke parents: diff changeset	1321 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1322 static int linear_search(Array<Method> methods, Symbol* name, Symbol* signature) {
0 a61af66fc99e Initial load duke parents: diff changeset	1323 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1324 for (int index = 0; index < len; index++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1325 Method* m = methods->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	1326 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1327 if (m->signature() == signature && m->name() == name) {
a61af66fc99e Initial load duke parents: diff changeset	1328 return index;
a61af66fc99e Initial load duke parents: diff changeset	1329 }
a61af66fc99e Initial load duke parents: diff changeset	1330 }
a61af66fc99e Initial load duke parents: diff changeset	1331 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1332 }
a61af66fc99e Initial load duke parents: diff changeset	1333 #endif
a61af66fc99e Initial load duke parents: diff changeset	1334
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1335 static int binary_search(Array<Method> methods, Symbol* name) {
0 a61af66fc99e Initial load duke parents: diff changeset	1336 int len = methods->length();
a61af66fc99e Initial load duke parents: diff changeset	1337 // methods are sorted, so do binary search
a61af66fc99e Initial load duke parents: diff changeset	1338 int l = 0;
a61af66fc99e Initial load duke parents: diff changeset	1339 int h = len - 1;
a61af66fc99e Initial load duke parents: diff changeset	1340 while (l <= h) {
a61af66fc99e Initial load duke parents: diff changeset	1341 int mid = (l + h) >> 1;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1342 Method* m = methods->at(mid);
0 a61af66fc99e Initial load duke parents: diff changeset	1343 assert(m->is_method(), "must be method");
a61af66fc99e Initial load duke parents: diff changeset	1344 int res = m->name()->fast_compare(name);
a61af66fc99e Initial load duke parents: diff changeset	1345 if (res == 0) {
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1346 return mid;
0 a61af66fc99e Initial load duke parents: diff changeset	1347 } else if (res < 0) {
a61af66fc99e Initial load duke parents: diff changeset	1348 l = mid + 1;
a61af66fc99e Initial load duke parents: diff changeset	1349 } else {
a61af66fc99e Initial load duke parents: diff changeset	1350 h = mid - 1;
a61af66fc99e Initial load duke parents: diff changeset	1351 }
a61af66fc99e Initial load duke parents: diff changeset	1352 }
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1353 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1354 }
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 Method* InstanceKlass::find_method(Symbol* name, Symbol* signature) const {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1357 return InstanceKlass::find_method(methods(), name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1358 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1359
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1360 Method* InstanceKlass::find_method(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1361 Array<Method> methods, Symbol* name, Symbol* signature) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1362 int hit = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1363 if (hit != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1364 Method* m = methods->at(hit);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1365 // Do linear search to find matching signature. First, quick check
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1366 // for common case
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1367 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1368 // search downwards through overloaded methods
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1369 int i;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1370 for (i = hit - 1; i >= 0; --i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1371 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1372 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1373 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1374 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1375 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1376 // search upwards
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1377 for (i = hit + 1; i < methods->length(); ++i) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1378 Method* m = methods->at(i);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1379 assert(m->is_method(), "must be method");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1380 if (m->name() != name) break;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1381 if (m->signature() == signature) return m;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1382 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1383 // not found
0 a61af66fc99e Initial load duke parents: diff changeset	1384 #ifdef ASSERT
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1385 int index = linear_search(methods, name, signature);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1386 assert(index == -1, err_msg("binary search should have found entry %d", index));
0 a61af66fc99e Initial load duke parents: diff changeset	1387 #endif
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1388 }
0 a61af66fc99e Initial load duke parents: diff changeset	1389 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1390 }
a61af66fc99e Initial load duke parents: diff changeset	1391
6934 4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1392 int InstanceKlass::find_method_by_name(Symbol* name, int* end) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1393 return find_method_by_name(methods(), name, end);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1394 }
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 int InstanceKlass::find_method_by_name(
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1397 Array<Method> methods, Symbol* name, int* end_ptr) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1398 assert(end_ptr != NULL, "just checking");
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1399 int start = binary_search(methods, name);
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1400 int end = start + 1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1401 if (start != -1) {
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1402 while (start - 1 >= 0 && (methods->at(start - 1))->name() == name) --start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1403 while (end < methods->length() && (methods->at(end))->name() == name) ++end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1404 *end_ptr = end;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1405 return start;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1406 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1407 return -1;
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1408 }
4735d2c84362 7200776: Implement default methods in interfaces kamg parents: 6831 diff changeset	1409
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1410 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	1411 Klass* klass = const_cast<InstanceKlass*>(this);
0 a61af66fc99e Initial load duke parents: diff changeset	1412 while (klass != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1413 Method* method = InstanceKlass::cast(klass)->find_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1414 if (method != NULL) return method;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1415 klass = InstanceKlass::cast(klass)->super();
0 a61af66fc99e Initial load duke parents: diff changeset	1416 }
a61af66fc99e Initial load duke parents: diff changeset	1417 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1418 }
a61af66fc99e Initial load duke parents: diff changeset	1419
a61af66fc99e Initial load duke parents: diff changeset	1420 // lookup a method in all the interfaces that this class implements
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1421 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	1422 Symbol* signature) const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1423 Array<Klass> all_ifs = transitive_interfaces();
0 a61af66fc99e Initial load duke parents: diff changeset	1424 int num_ifs = all_ifs->length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1425 InstanceKlass *ik = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1426 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	1427 ik = InstanceKlass::cast(all_ifs->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1428 Method* m = ik->lookup_method(name, signature);
0 a61af66fc99e Initial load duke parents: diff changeset	1429 if (m != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1430 return m;
a61af66fc99e Initial load duke parents: diff changeset	1431 }
a61af66fc99e Initial load duke parents: diff changeset	1432 }
a61af66fc99e Initial load duke parents: diff changeset	1433 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	1434 }
a61af66fc99e Initial load duke parents: diff changeset	1435
a61af66fc99e Initial load duke parents: diff changeset	1436 /* jni_id_for_impl for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1437 JNIid* InstanceKlass::jni_id_for_impl(instanceKlassHandle this_oop, int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1438 MutexLocker ml(JfieldIdCreation_lock);
a61af66fc99e Initial load duke parents: diff changeset	1439 // Retry lookup after we got the lock
a61af66fc99e Initial load duke parents: diff changeset	1440 JNIid* probe = this_oop->jni_ids() == NULL ? NULL : this_oop->jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1441 if (probe == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1442 // Slow case, allocate new static field identifier
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1443 probe = new JNIid(this_oop(), offset, this_oop->jni_ids());
0 a61af66fc99e Initial load duke parents: diff changeset	1444 this_oop->set_jni_ids(probe);
a61af66fc99e Initial load duke parents: diff changeset	1445 }
a61af66fc99e Initial load duke parents: diff changeset	1446 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1447 }
a61af66fc99e Initial load duke parents: diff changeset	1448
a61af66fc99e Initial load duke parents: diff changeset	1449
a61af66fc99e Initial load duke parents: diff changeset	1450 /* jni_id_for for jfieldIds only */
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1451 JNIid* InstanceKlass::jni_id_for(int offset) {
0 a61af66fc99e Initial load duke parents: diff changeset	1452 JNIid* probe = jni_ids() == NULL ? NULL : jni_ids()->find(offset);
a61af66fc99e Initial load duke parents: diff changeset	1453 if (probe == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1454 probe = jni_id_for_impl(this, offset);
0 a61af66fc99e Initial load duke parents: diff changeset	1455 }
a61af66fc99e Initial load duke parents: diff changeset	1456 return probe;
a61af66fc99e Initial load duke parents: diff changeset	1457 }
a61af66fc99e Initial load duke parents: diff changeset	1458
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1459 u2 InstanceKlass::enclosing_method_data(int offset) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1460 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	1461 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	1462 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1463 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1464 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	1465 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	1466 return 0;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1467 } else {
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1468 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	1469 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	1470 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	1471 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1472 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1473
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1474 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	1475 u2 method_index) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1476 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	1477 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	1478 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	1479 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	1480 int index = length - enclosing_method_attribute_size;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1481 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	1482 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	1483 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	1484 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	1485 }
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	1486 }
0 a61af66fc99e Initial load duke parents: diff changeset	1487
a61af66fc99e Initial load duke parents: diff changeset	1488 // Lookup or create a jmethodID.
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1489 // 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	1490 // 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	1491 // and/or other cache consistency problems.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1492 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1493 jmethodID InstanceKlass::get_jmethod_id(instanceKlassHandle ik_h, methodHandle method_h) {
0 a61af66fc99e Initial load duke parents: diff changeset	1494 size_t idnum = (size_t)method_h->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1495 jmethodID* jmeths = ik_h->methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1496 size_t length = 0;
a61af66fc99e Initial load duke parents: diff changeset	1497 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1498
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1499 // 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	1500 // 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	1501 // 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	1502 // 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	1503 // 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	1504 // 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	1505 // 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	1506 // 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	1507 // 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	1508 // 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	1509 // generally acquired in those two cases.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1510 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1511 // 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	1512 // 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	1513 // 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	1514 // 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	1515 // acquired when the RedefineClasses() API has been used.
0 a61af66fc99e Initial load duke parents: diff changeset	1516
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1517 if (jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1518 // the cache already exists
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1519 if (!ik_h->idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1520 // 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	1521 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	1522 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1523 // 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	1524 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1525 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1526 // 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	1527 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	1528 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1529 MutexLocker ml(JmethodIdCreation_lock);
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 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1532 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1533 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1534 // implied else:
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1535 // we need to allocate a cache so default length and id values are good
0 a61af66fc99e Initial load duke parents: diff changeset	1536
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1537 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1538 length <= idnum \|\| // cache is too short
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1539 id == NULL) { // cache doesn't contain entry
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1540
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1541 // 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	1542 // 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	1543 // 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	1544 // 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	1545 // to free after the lock is dropped.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1546 jmethodID to_dealloc_id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1547 jmethodID* to_dealloc_jmeths = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1548
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1549 // may not allocate new_jmeths or use it if we allocate it
0 a61af66fc99e Initial load duke parents: diff changeset	1550 jmethodID* new_jmeths = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1551 if (length <= idnum) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1552 // allocate a new cache that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1553 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	1554 new_jmeths = NEW_C_HEAP_ARRAY(jmethodID, size+1, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	1555 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	1556 // 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	1557 new_jmeths[0] = (jmethodID)size;
0 a61af66fc99e Initial load duke parents: diff changeset	1558 }
a61af66fc99e Initial load duke parents: diff changeset	1559
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1560 // allocate a new jmethodID that might be used
0 a61af66fc99e Initial load duke parents: diff changeset	1561 jmethodID new_id = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1562 if (method_h->is_old() && !method_h->is_obsolete()) {
a61af66fc99e Initial load duke parents: diff changeset	1563 // 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	1564 Method* current_method = ik_h->method_with_idnum((int)idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	1565 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	1566 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), current_method);
0 a61af66fc99e Initial load duke parents: diff changeset	1567 } else {
a61af66fc99e Initial load duke parents: diff changeset	1568 // It is the current version of the method or an obsolete method,
a61af66fc99e Initial load duke parents: diff changeset	1569 // use the version passed in
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1570 new_id = Method::make_jmethod_id(ik_h->class_loader_data(), method_h());
0 a61af66fc99e Initial load duke parents: diff changeset	1571 }
a61af66fc99e Initial load duke parents: diff changeset	1572
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1573 if (Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1574 SafepointSynchronize::is_at_safepoint()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1575 // 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	1576 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	1577 &to_dealloc_id, &to_dealloc_jmeths);
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1578 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	1579 MutexLocker ml(JmethodIdCreation_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1580 id = get_jmethod_id_fetch_or_update(ik_h, idnum, new_id, new_jmeths,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1581 &to_dealloc_id, &to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1582 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1583
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1584 // 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	1585 // 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	1586 if (to_dealloc_jmeths != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1587 FreeHeap(to_dealloc_jmeths);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1588 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1589 // 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	1590 if (to_dealloc_id != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1591 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	1592 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1593 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1594 return id;
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1595 }
0 a61af66fc99e Initial load duke parents: diff changeset	1596
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1597
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1598 // 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	1599 // 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	1600 // 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	1601 // the VMThread or have cache consistency issues.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1602 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1603 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	1604 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	1605 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	1606 jmethodID** to_dealloc_jmeths_p) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1607 assert(new_id != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1608 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	1609 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	1610 assert(Threads::number_of_threads() == 0 \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1611 SafepointSynchronize::is_at_safepoint() \|\|
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1612 JmethodIdCreation_lock->owned_by_self(), "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1613
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1614 // 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	1615 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	1616 jmethodID id = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1617 size_t length = 0;
0 a61af66fc99e Initial load duke parents: diff changeset	1618
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1619 if (jmeths == NULL \|\| // no cache yet
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1620 (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	1621 if (jmeths != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1622 // 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	1623 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	1624 new_jmeths[index+1] = jmeths[index+1];
0 a61af66fc99e Initial load duke parents: diff changeset	1625 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1626 *to_dealloc_jmeths_p = jmeths; // save old cache for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1627 }
49 31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1628 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	1629 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1630 // 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	1631 id = jmeths[idnum+1];
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1632 *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	1633 }
31000d79ec71 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC dcubed parents: 47 diff changeset	1634 if (id == NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1635 // 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	1636 // 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	1637 // 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	1638 // 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	1639 id = new_id;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1640
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1641 // 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	1642 // 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	1643 // in the cache.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1644 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	1645 } else {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1646 *to_dealloc_id_p = new_id; // save new id for later delete
0 a61af66fc99e Initial load duke parents: diff changeset	1647 }
a61af66fc99e Initial load duke parents: diff changeset	1648 return id;
a61af66fc99e Initial load duke parents: diff changeset	1649 }
a61af66fc99e Initial load duke parents: diff changeset	1650
a61af66fc99e Initial load duke parents: diff changeset	1651
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1652 // 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	1653 // 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	1654 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1655 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	1656 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	1657 assert(cache != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1658 assert(length_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1659 assert(id_p != NULL, "sanity check");
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1660
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1661 // 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	1662 *length_p = (size_t)cache[0];
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1663 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	1664 *id_p = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1665 } else {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1666 *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	1667 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1668 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1669
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1670
0 a61af66fc99e Initial load duke parents: diff changeset	1671 // 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	1672 jmethodID InstanceKlass::jmethod_id_or_null(Method* method) {
0 a61af66fc99e Initial load duke parents: diff changeset	1673 size_t idnum = (size_t)method->method_idnum();
a61af66fc99e Initial load duke parents: diff changeset	1674 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1675 size_t length; // length assigned as debugging crumb
a61af66fc99e Initial load duke parents: diff changeset	1676 jmethodID id = NULL;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1677 if (jmeths != NULL && // If there is a cache
0 a61af66fc99e Initial load duke parents: diff changeset	1678 (length = (size_t)jmeths[0]) > idnum) { // and if it is long enough,
a61af66fc99e Initial load duke parents: diff changeset	1679 id = jmeths[idnum+1]; // Look up the id (may be NULL)
a61af66fc99e Initial load duke parents: diff changeset	1680 }
a61af66fc99e Initial load duke parents: diff changeset	1681 return id;
a61af66fc99e Initial load duke parents: diff changeset	1682 }
a61af66fc99e Initial load duke parents: diff changeset	1683
a61af66fc99e Initial load duke parents: diff changeset	1684
a61af66fc99e Initial load duke parents: diff changeset	1685 // Cache an itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1686 void InstanceKlass::set_cached_itable_index(size_t idnum, int index) {
0 a61af66fc99e Initial load duke parents: diff changeset	1687 int* indices = methods_cached_itable_indices_acquire();
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1688 int* to_dealloc_indices = NULL;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1689
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1690 // 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	1691 // 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	1692 // 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	1693 // release_set_methods_cached_itable_indices() to advertise the
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1694 // new cache. A partially constructed cache should never be seen
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1695 // by a racing thread. Cache reads and writes proceed without a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1696 // lock, but creation of the cache itself requires no leaks so a
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1697 // lock is generally acquired in that case.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1698 //
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1699 // 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	1700 // 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	1701 // 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	1702 // 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	1703 // acquired when the RedefineClasses() API has been used.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1704
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1705 if (indices == NULL \|\| idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1706 // we need a cache or the cache can grow
0 a61af66fc99e Initial load duke parents: diff changeset	1707 MutexLocker ml(JNICachedItableIndex_lock);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1708 // reacquire the cache to see if another thread already did the work
0 a61af66fc99e Initial load duke parents: diff changeset	1709 indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1710 size_t length = 0;
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1711 // cache size is stored in element[0], other elements offset by one
0 a61af66fc99e Initial load duke parents: diff changeset	1712 if (indices == NULL \|\| (length = (size_t)indices[0]) <= idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1713 size_t size = MAX2(idnum+1, (size_t)idnum_allocated_count());
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	1714 int* new_indices = NEW_C_HEAP_ARRAY(int, size+1, mtClass);
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1715 new_indices[0] = (int)size;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1716 // copy any existing entries
0 a61af66fc99e Initial load duke parents: diff changeset	1717 size_t i;
a61af66fc99e Initial load duke parents: diff changeset	1718 for (i = 0; i < length; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1719 new_indices[i+1] = indices[i+1];
a61af66fc99e Initial load duke parents: diff changeset	1720 }
a61af66fc99e Initial load duke parents: diff changeset	1721 // Set all the rest to -1
a61af66fc99e Initial load duke parents: diff changeset	1722 for (i = length; i < size; i++) {
a61af66fc99e Initial load duke parents: diff changeset	1723 new_indices[i+1] = -1;
a61af66fc99e Initial load duke parents: diff changeset	1724 }
a61af66fc99e Initial load duke parents: diff changeset	1725 if (indices != NULL) {
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1726 // We have an old cache to delete so save it for after we
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1727 // drop the lock.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1728 to_dealloc_indices = indices;
0 a61af66fc99e Initial load duke parents: diff changeset	1729 }
a61af66fc99e Initial load duke parents: diff changeset	1730 release_set_methods_cached_itable_indices(indices = new_indices);
a61af66fc99e Initial load duke parents: diff changeset	1731 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1732
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1733 if (idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1734 // this cache can grow so we have to write to it safely
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1735 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1736 }
0 a61af66fc99e Initial load duke parents: diff changeset	1737 } else {
a61af66fc99e Initial load duke parents: diff changeset	1738 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
a61af66fc99e Initial load duke parents: diff changeset	1739 }
977 74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1740
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1741 if (!idnum_can_increment()) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1742 // The cache cannot grow and this JNI itable index value does not
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1743 // have to be unique like a jmethodID. If there is a race to set it,
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1744 // it doesn't matter.
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1745 indices[idnum+1] = index;
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1746 }
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1747
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1748 if (to_dealloc_indices != NULL) {
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1749 // we allocated a new cache so free the old one
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1750 FreeHeap(to_dealloc_indices);
74a5db69c1fe 6419370: 4/4 new jmethodID code has tiny holes in synchronization dcubed parents: 974 diff changeset	1751 }
0 a61af66fc99e Initial load duke parents: diff changeset	1752 }
a61af66fc99e Initial load duke parents: diff changeset	1753
a61af66fc99e Initial load duke parents: diff changeset	1754
a61af66fc99e Initial load duke parents: diff changeset	1755 // Retrieve a cached itable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1756 int InstanceKlass::cached_itable_index(size_t idnum) {
0 a61af66fc99e Initial load duke parents: diff changeset	1757 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	1758 if (indices != NULL && ((size_t)indices[0]) > idnum) {
a61af66fc99e Initial load duke parents: diff changeset	1759 // indices exist and are long enough, retrieve possible cached
a61af66fc99e Initial load duke parents: diff changeset	1760 return indices[idnum+1];
a61af66fc99e Initial load duke parents: diff changeset	1761 }
a61af66fc99e Initial load duke parents: diff changeset	1762 return -1;
a61af66fc99e Initial load duke parents: diff changeset	1763 }
a61af66fc99e Initial load duke parents: diff changeset	1764
a61af66fc99e Initial load duke parents: diff changeset	1765
a61af66fc99e Initial load duke parents: diff changeset	1766 //
a61af66fc99e Initial load duke parents: diff changeset	1767 // 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	1768 // are dependent on the changes that were passed in and mark them for
0 a61af66fc99e Initial load duke parents: diff changeset	1769 // deoptimization. Returns the number of nmethods found.
a61af66fc99e Initial load duke parents: diff changeset	1770 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1771 int InstanceKlass::mark_dependent_nmethods(DepChange& changes) {
0 a61af66fc99e Initial load duke parents: diff changeset	1772 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1773 int found = 0;
a61af66fc99e Initial load duke parents: diff changeset	1774 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1775 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1776 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1777 // since dependencies aren't removed until an nmethod becomes a zombie,
a61af66fc99e Initial load duke parents: diff changeset	1778 // the dependency list may contain nmethods which aren't alive.
a61af66fc99e Initial load duke parents: diff changeset	1779 if (nm->is_alive() && !nm->is_marked_for_deoptimization() && nm->check_dependency_on(changes)) {
a61af66fc99e Initial load duke parents: diff changeset	1780 if (TraceDependencies) {
a61af66fc99e Initial load duke parents: diff changeset	1781 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	1782 tty->print_cr("Marked for deoptimization");
a61af66fc99e Initial load duke parents: diff changeset	1783 tty->print_cr(" context = %s", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1784 changes.print();
a61af66fc99e Initial load duke parents: diff changeset	1785 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1786 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1787 }
a61af66fc99e Initial load duke parents: diff changeset	1788 nm->mark_for_deoptimization();
a61af66fc99e Initial load duke parents: diff changeset	1789 found++;
a61af66fc99e Initial load duke parents: diff changeset	1790 }
a61af66fc99e Initial load duke parents: diff changeset	1791 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1792 }
a61af66fc99e Initial load duke parents: diff changeset	1793 return found;
a61af66fc99e Initial load duke parents: diff changeset	1794 }
a61af66fc99e Initial load duke parents: diff changeset	1795
a61af66fc99e Initial load duke parents: diff changeset	1796
a61af66fc99e Initial load duke parents: diff changeset	1797 //
a61af66fc99e Initial load duke parents: diff changeset	1798 // Add an nmethodBucket to the list of dependencies for this nmethod.
a61af66fc99e Initial load duke parents: diff changeset	1799 // It's possible that an nmethod has multiple dependencies on this klass
a61af66fc99e Initial load duke parents: diff changeset	1800 // so a count is kept for each bucket to guarantee that creation and
a61af66fc99e Initial load duke parents: diff changeset	1801 // deletion of dependencies is consistent.
a61af66fc99e Initial load duke parents: diff changeset	1802 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1803 void InstanceKlass::add_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1804 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1805 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1806 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1807 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1808 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1809 b->increment();
a61af66fc99e Initial load duke parents: diff changeset	1810 return;
a61af66fc99e Initial load duke parents: diff changeset	1811 }
a61af66fc99e Initial load duke parents: diff changeset	1812 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1813 }
a61af66fc99e Initial load duke parents: diff changeset	1814 _dependencies = new nmethodBucket(nm, _dependencies);
a61af66fc99e Initial load duke parents: diff changeset	1815 }
a61af66fc99e Initial load duke parents: diff changeset	1816
a61af66fc99e Initial load duke parents: diff changeset	1817
a61af66fc99e Initial load duke parents: diff changeset	1818 //
a61af66fc99e Initial load duke parents: diff changeset	1819 // Decrement count of the nmethod in the dependency list and remove
a61af66fc99e Initial load duke parents: diff changeset	1820 // the bucket competely when the count goes to 0. This method must
a61af66fc99e Initial load duke parents: diff changeset	1821 // find a corresponding bucket otherwise there's a bug in the
a61af66fc99e Initial load duke parents: diff changeset	1822 // recording of dependecies.
a61af66fc99e Initial load duke parents: diff changeset	1823 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1824 void InstanceKlass::remove_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1825 assert_locked_or_safepoint(CodeCache_lock);
a61af66fc99e Initial load duke parents: diff changeset	1826 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1827 nmethodBucket* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1828 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1829 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1830 if (b->decrement() == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1831 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1832 _dependencies = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1833 } else {
a61af66fc99e Initial load duke parents: diff changeset	1834 last->set_next(b->next());
a61af66fc99e Initial load duke parents: diff changeset	1835 }
a61af66fc99e Initial load duke parents: diff changeset	1836 delete b;
a61af66fc99e Initial load duke parents: diff changeset	1837 }
a61af66fc99e Initial load duke parents: diff changeset	1838 return;
a61af66fc99e Initial load duke parents: diff changeset	1839 }
a61af66fc99e Initial load duke parents: diff changeset	1840 last = b;
a61af66fc99e Initial load duke parents: diff changeset	1841 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1842 }
a61af66fc99e Initial load duke parents: diff changeset	1843 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1844 tty->print_cr("### %s can't find dependent nmethod:", this->external_name());
a61af66fc99e Initial load duke parents: diff changeset	1845 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1846 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	1847 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	1848 }
a61af66fc99e Initial load duke parents: diff changeset	1849
a61af66fc99e Initial load duke parents: diff changeset	1850
a61af66fc99e Initial load duke parents: diff changeset	1851 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1852 void InstanceKlass::print_dependent_nmethods(bool verbose) {
0 a61af66fc99e Initial load duke parents: diff changeset	1853 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1854 int idx = 0;
a61af66fc99e Initial load duke parents: diff changeset	1855 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1856 nmethod* nm = b->get_nmethod();
a61af66fc99e Initial load duke parents: diff changeset	1857 tty->print("[%d] count=%d { ", idx++, b->count());
a61af66fc99e Initial load duke parents: diff changeset	1858 if (!verbose) {
a61af66fc99e Initial load duke parents: diff changeset	1859 nm->print_on(tty, "nmethod");
a61af66fc99e Initial load duke parents: diff changeset	1860 tty->print_cr(" } ");
a61af66fc99e Initial load duke parents: diff changeset	1861 } else {
a61af66fc99e Initial load duke parents: diff changeset	1862 nm->print();
a61af66fc99e Initial load duke parents: diff changeset	1863 nm->print_dependencies();
a61af66fc99e Initial load duke parents: diff changeset	1864 tty->print_cr("--- } ");
a61af66fc99e Initial load duke parents: diff changeset	1865 }
a61af66fc99e Initial load duke parents: diff changeset	1866 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1867 }
a61af66fc99e Initial load duke parents: diff changeset	1868 }
a61af66fc99e Initial load duke parents: diff changeset	1869
a61af66fc99e Initial load duke parents: diff changeset	1870
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1871 bool InstanceKlass::is_dependent_nmethod(nmethod* nm) {
0 a61af66fc99e Initial load duke parents: diff changeset	1872 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	1873 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	1874 if (nm == b->get_nmethod()) {
a61af66fc99e Initial load duke parents: diff changeset	1875 return true;
a61af66fc99e Initial load duke parents: diff changeset	1876 }
a61af66fc99e Initial load duke parents: diff changeset	1877 b = b->next();
a61af66fc99e Initial load duke parents: diff changeset	1878 }
a61af66fc99e Initial load duke parents: diff changeset	1879 return false;
a61af66fc99e Initial load duke parents: diff changeset	1880 }
a61af66fc99e Initial load duke parents: diff changeset	1881 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	1882
a61af66fc99e Initial load duke parents: diff changeset	1883
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1884 // Garbage collection
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1885
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1886 void InstanceKlass::oops_do(OopClosure* cl) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1887 Klass::oops_do(cl);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1888
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1889 cl->do_oop(adr_protection_domain());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1890 cl->do_oop(adr_signers());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1891 cl->do_oop(adr_init_lock());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1892
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1893 // Don't walk the arrays since they are walked from the ClassLoaderData objects.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1894 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1895
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1896 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1897 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	1898 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	1899 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	1900 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	1901 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	1902 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1903 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1904 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	1905 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	1906 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	1907 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	1908 assert(Universe::heap()->is_in_closed_subset(o),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	1909 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	1910 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1911 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1912 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	1913 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	1914 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	1915 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	1916 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	1917 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1918 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1919 template <class T> void assert_nothing(T *p) {}
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1920
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1921 #else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1922 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	1923 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	1924 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	1925 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	1926 #endif // ASSERT
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 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1929 // 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	1930 // 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	1931 //
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1932 // Parameters are:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1933 // 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	1934 // 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	1935 // 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	1936 // 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	1937 // 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	1938 // it a template function)
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1939 // 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	1940 // doesn't matter when enabled.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1941 #define InstanceKlass_SPECIALIZED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1942 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	1943 assert_fn) \
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 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1946 T* const end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1947 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1948 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1949 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1950 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1951 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1952 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1953
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1954 #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	1955 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	1956 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1957 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1958 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	1959 T* p = start + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1960 while (start < p) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1961 --p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1962 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1963 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1964 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1965 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1966
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1967 #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	1968 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	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 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1971 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1972 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1973 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	1974 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	1975 "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	1976 T* p = (T*)(start_p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1977 T* end = p + (count); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1978 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1979 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1980 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1981 (assert_fn)(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1982 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1983 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1984 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1985 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1986
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1987
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1988 // 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	1989 // 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	1990 // flag.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1991 #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	1992 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1993 /* 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	1994 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	1995 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	1996 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	1997 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1998 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	1999 InstanceKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2000 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	2001 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2002 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2003 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2004 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2005 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2006 InstanceKlass_SPECIALIZED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2007 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	2008 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2009 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2010 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2011 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2012 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2013
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2014 #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	2015 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2016 OopMapBlock* const start_map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2017 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	2018 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2019 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2020 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2021 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2022 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	2023 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2024 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2025 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2026 while (start_map < map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2027 --map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2028 InstanceKlass_SPECIALIZED_OOP_REVERSE_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2029 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	2030 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2031 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2032 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2033 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2034
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2035 #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	2036 assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2037 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2038 /* 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	2039 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	2040 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	2041 all the maps. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2042 OopMapBlock* map = start_of_nonstatic_oop_maps(); \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2043 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	2044 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2045 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2046 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2047 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	2048 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2049 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2050 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2051 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2052 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2053 while (map < end_map) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2054 InstanceKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
938 b37c246bf7ce 6861660: OopMapBlock count/size confusion jcoomes parents: 876 diff changeset	2055 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	2056 low, high, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2057 do_oop, assert_fn) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2058 ++map; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2059 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2060 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2061 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2062
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2063 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	2064 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	2065 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	2066 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2067 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2068 MarkSweep::mark_and_push(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2069 assert_is_in_closed_subset)
0 a61af66fc99e Initial load duke parents: diff changeset	2070 }
a61af66fc99e Initial load duke parents: diff changeset	2071
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2072 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2073 void InstanceKlass::oop_follow_contents(ParCompactionManager* cm,
0 a61af66fc99e Initial load duke parents: diff changeset	2074 oop obj) {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2075 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	2076 PSParallelCompact::follow_klass(cm, obj->klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2077 // 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	2078 // everything else.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2079 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2080 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2081 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	2082 assert_is_in)
0 a61af66fc99e Initial load duke parents: diff changeset	2083 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2084 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2085
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2086 // closure's do_metadata() method dictates whether the given closure should be
0 a61af66fc99e Initial load duke parents: diff changeset	2087 // applied to the klass ptr in the object header.
a61af66fc99e Initial load duke parents: diff changeset	2088
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2089 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2090 /* 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	2091 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	2092 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2093 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2094
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2095 #define InstanceKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2096 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2097 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	2098 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	2099 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2100 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2101 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	2102 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2103 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2104 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2105 SpecializationStats:: \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2106 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	2107 (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	2108 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2109 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2110 }
a61af66fc99e Initial load duke parents: diff changeset	2111
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2112 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2113 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2114 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2115 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	2116 OopClosureType* closure) { \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2117 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::ik); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2118 /* header */ \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2119 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2120 closure->do_klass##nv_suffix(obj->klass()); \
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2121 } \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2122 /* instance variables */ \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2123 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2124 obj, \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2125 SpecializationStats::record_do_oop_call##nv_suffix(SpecializationStats::ik);\
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2126 (closure)->do_oop##nv_suffix(p), \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2127 assert_is_in_closed_subset) \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2128 return size_helper(); \
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2129 }
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2130 #endif // INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2131
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2132 #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	2133 \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2134 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	2135 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2136 MemRegion mr) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2137 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	2138 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2139 if (mr.contains(obj)) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2140 closure->do_klass##nv_suffix(obj->klass()); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2141 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2142 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2143 InstanceKlass_BOUNDED_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2144 obj, mr.start(), mr.end(), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2145 (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	2146 assert_is_in_closed_subset) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2147 return size_helper(); \
0 a61af66fc99e Initial load duke parents: diff changeset	2148 }
a61af66fc99e Initial load duke parents: diff changeset	2149
a61af66fc99e Initial load duke parents: diff changeset	2150 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	2151 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	2152 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	2153 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	2154 #if INCLUDE_ALL_GCS
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	2155 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	2156 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	2157 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2158
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2159 int InstanceKlass::oop_adjust_pointers(oop obj) {
0 a61af66fc99e Initial load duke parents: diff changeset	2160 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2161 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2162 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2163 MarkSweep::adjust_pointer(p), \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2164 assert_is_in)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2165 MarkSweep::adjust_klass(obj->klass());
0 a61af66fc99e Initial load duke parents: diff changeset	2166 return size;
a61af66fc99e Initial load duke parents: diff changeset	2167 }
a61af66fc99e Initial load duke parents: diff changeset	2168
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2169 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2170 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	2171 InstanceKlass_OOP_MAP_REVERSE_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2172 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2173 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2174 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	2175 }, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2176 assert_nothing )
0 a61af66fc99e Initial load duke parents: diff changeset	2177 }
a61af66fc99e Initial load duke parents: diff changeset	2178
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2179 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	2180 int size = size_helper();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2181 InstanceKlass_OOP_MAP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2182 obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	2183 PSParallelCompact::adjust_pointer(p), \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2184 assert_is_in)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2185 obj->update_header(cm);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2186 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	2187 }
a61af66fc99e Initial load duke parents: diff changeset	2188
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 7610 diff changeset	2189 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	2190
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2191 void InstanceKlass::clean_implementors_list(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2192 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	2193 if (is_interface()) {
49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2194 if (ClassUnloading) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2195 Klass* impl = implementor();
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2196 if (impl != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2197 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	2198 // remove this guy
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2199 Klass** klass = adr_implementor();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2200 assert(klass != NULL, "null klass");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2201 if (klass != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2202 *klass = NULL;
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	2203 }
5998 49036505ab5f 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass. jiangli parents: 5969 diff changeset	2204 }
0 a61af66fc99e Initial load duke parents: diff changeset	2205 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2206 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2207 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2208 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2209
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2210 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2211 for (int m = 0; m < methods()->length(); m++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2212 MethodData* mdo = methods()->at(m)->method_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2213 if (mdo != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2214 for (ProfileData* data = mdo->first_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2215 mdo->is_valid(data);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2216 data = mdo->next_data(data)) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2217 data->clean_weak_klass_links(is_alive);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2218 }
0 a61af66fc99e Initial load duke parents: diff changeset	2219 }
a61af66fc99e Initial load duke parents: diff changeset	2220 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2221 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2222
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2223
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2224 static void remove_unshareable_in_class(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2225 // remove klass's unshareable info
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2226 k->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2227 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2228
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2229 void InstanceKlass::remove_unshareable_info() {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2230 Klass::remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2231 // Unlink the class
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2232 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2233 unlink_class();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2234 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2235 init_implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2236
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2237 constants()->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2238
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2239 for (int i = 0; i < methods()->length(); i++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2240 Method* m = methods()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2241 m->remove_unshareable_info();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2242 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2243
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2244 // Need to reinstate when reading back the class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2245 set_init_lock(NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2246
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2247 // do array classes also.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2248 array_klasses_do(remove_unshareable_in_class);
0 a61af66fc99e Initial load duke parents: diff changeset	2249 }
a61af66fc99e Initial load duke parents: diff changeset	2250
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2251 void restore_unshareable_in_class(Klass* k, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2252 k->restore_unshareable_info(CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	2253 }
a61af66fc99e Initial load duke parents: diff changeset	2254
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2255 void InstanceKlass::restore_unshareable_info(TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2256 Klass::restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2257 instanceKlassHandle ik(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2258
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2259 Array<Method> methods = ik->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2260 int num_methods = methods->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2261 for (int index2 = 0; index2 < num_methods; ++index2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2262 methodHandle m(THREAD, methods->at(index2));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2263 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	2264 // 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	2265 m->restore_vtable();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2266 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2267 if (JvmtiExport::has_redefined_a_class()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2268 // Reinitialize vtable because RedefineClasses may have changed some
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2269 // 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	2270 // 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	2271 // 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	2272 // 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	2273 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2274 ik->vtable()->initialize_vtable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2275 ik->itable()->initialize_itable(false, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2276 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2277
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2278 // Allocate a simple java object for a lock.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2279 // This needs to be a java object because during class initialization
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2280 // it can be held across a java call.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2281 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2282 Handle h(THREAD, (oop)r);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2283 ik->set_init_lock(h());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2284
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2285 // restore constant pool resolved references
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2286 ik->constants()->restore_unshareable_info(CHECK);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2287
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2288 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	2289 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2290
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2291 static void clear_all_breakpoints(Method* m) {
0 a61af66fc99e Initial load duke parents: diff changeset	2292 m->clear_all_breakpoints();
a61af66fc99e Initial load duke parents: diff changeset	2293 }
a61af66fc99e Initial load duke parents: diff changeset	2294
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2295
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2296 void InstanceKlass::notify_unload_class(InstanceKlass* ik) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2297 // notify the debugger
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2298 if (JvmtiExport::should_post_class_unload()) {
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2299 JvmtiExport::post_class_unload(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2300 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2301
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2302 // notify ClassLoadingService of class unload
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2303 ClassLoadingService::notify_class_unloaded(ik);
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2304 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2305
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2306 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	2307 // Clean up C heap
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2308 ik->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2309 ik->constants()->release_C_heap_structures();
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2310 }
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2311
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2312 void InstanceKlass::release_C_heap_structures() {
10149 d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2313
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2314 // 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	2315 // 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	2316 // redefine classes.
d587a5c30bd8 8011803: release_C_heap_structures is never called for anonymous classes. coleenp parents: 10133 diff changeset	2317
0 a61af66fc99e Initial load duke parents: diff changeset	2318 // Deallocate oop map cache
a61af66fc99e Initial load duke parents: diff changeset	2319 if (_oop_map_cache != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2320 delete _oop_map_cache;
a61af66fc99e Initial load duke parents: diff changeset	2321 _oop_map_cache = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2322 }
a61af66fc99e Initial load duke parents: diff changeset	2323
a61af66fc99e Initial load duke parents: diff changeset	2324 // Deallocate JNI identifiers for jfieldIDs
a61af66fc99e Initial load duke parents: diff changeset	2325 JNIid::deallocate(jni_ids());
a61af66fc99e Initial load duke parents: diff changeset	2326 set_jni_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2327
a61af66fc99e Initial load duke parents: diff changeset	2328 jmethodID* jmeths = methods_jmethod_ids_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2329 if (jmeths != (jmethodID*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2330 release_set_methods_jmethod_ids(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2331 FreeHeap(jmeths);
a61af66fc99e Initial load duke parents: diff changeset	2332 }
a61af66fc99e Initial load duke parents: diff changeset	2333
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2334 MemberNameTable* mnt = member_names();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2335 if (mnt != NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2336 delete mnt;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2337 set_member_names(NULL);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2338 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2339
0 a61af66fc99e Initial load duke parents: diff changeset	2340 int* indices = methods_cached_itable_indices_acquire();
a61af66fc99e Initial load duke parents: diff changeset	2341 if (indices != (int*)NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2342 release_set_methods_cached_itable_indices(NULL);
a61af66fc99e Initial load duke parents: diff changeset	2343 FreeHeap(indices);
a61af66fc99e Initial load duke parents: diff changeset	2344 }
a61af66fc99e Initial load duke parents: diff changeset	2345
a61af66fc99e Initial load duke parents: diff changeset	2346 // release dependencies
a61af66fc99e Initial load duke parents: diff changeset	2347 nmethodBucket* b = _dependencies;
a61af66fc99e Initial load duke parents: diff changeset	2348 _dependencies = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2349 while (b != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2350 nmethodBucket* next = b->next();
a61af66fc99e Initial load duke parents: diff changeset	2351 delete b;
a61af66fc99e Initial load duke parents: diff changeset	2352 b = next;
a61af66fc99e Initial load duke parents: diff changeset	2353 }
a61af66fc99e Initial load duke parents: diff changeset	2354
a61af66fc99e Initial load duke parents: diff changeset	2355 // Deallocate breakpoint records
a61af66fc99e Initial load duke parents: diff changeset	2356 if (breakpoints() != 0x0) {
a61af66fc99e Initial load duke parents: diff changeset	2357 methods_do(clear_all_breakpoints);
a61af66fc99e Initial load duke parents: diff changeset	2358 assert(breakpoints() == 0x0, "should have cleared breakpoints");
a61af66fc99e Initial load duke parents: diff changeset	2359 }
a61af66fc99e Initial load duke parents: diff changeset	2360
a61af66fc99e Initial load duke parents: diff changeset	2361 // deallocate information about previous versions
a61af66fc99e Initial load duke parents: diff changeset	2362 if (_previous_versions != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2363 for (int i = _previous_versions->length() - 1; i >= 0; i--) {
a61af66fc99e Initial load duke parents: diff changeset	2364 PreviousVersionNode * pv_node = _previous_versions->at(i);
a61af66fc99e Initial load duke parents: diff changeset	2365 delete pv_node;
a61af66fc99e Initial load duke parents: diff changeset	2366 }
a61af66fc99e Initial load duke parents: diff changeset	2367 delete _previous_versions;
a61af66fc99e Initial load duke parents: diff changeset	2368 _previous_versions = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2369 }
a61af66fc99e Initial load duke parents: diff changeset	2370
a61af66fc99e Initial load duke parents: diff changeset	2371 // deallocate the cached class file
a61af66fc99e Initial load duke parents: diff changeset	2372 if (_cached_class_file_bytes != NULL) {
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	2373 os::free(_cached_class_file_bytes, mtClass);
0 a61af66fc99e Initial load duke parents: diff changeset	2374 _cached_class_file_bytes = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2375 _cached_class_file_len = 0;
a61af66fc99e Initial load duke parents: diff changeset	2376 }
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2377
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2378 // 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	2379 if (_name != NULL) _name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2380 // 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	2381 // class can't be referenced anymore).
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2382 if (_array_name != NULL) _array_name->decrement_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2383 if (_source_file_name != NULL) _source_file_name->decrement_refcount();
6203 04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2384 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	2385
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2386 assert(_total_instanceKlass_count >= 1, "Sanity check");
ecd24264898b 8005048: NMT: #loaded classes needs to just show the # defined classes zgu parents: 7180 diff changeset	2387 Atomic::dec(&_total_instanceKlass_count);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2388 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2389
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2390 void InstanceKlass::set_source_file_name(Symbol* n) {
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2391 _source_file_name = n;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2392 if (_source_file_name != NULL) _source_file_name->increment_refcount();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2393 }
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2394
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2395 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	2396 if (array == NULL) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2397 _source_debug_extension = NULL;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2398 } else {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2399 // 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	2400 // 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	2401 // 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	2402 // unlikely to happen.
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2403 assert((length+1) > length, "Overflow checking");
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2404 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	2405 for (int i = 0; i < length; i++) {
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2406 sde[i] = array[i];
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2407 }
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2408 sde[length] = '\0';
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2409 _source_debug_extension = sde;
04ade88d9712 6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K fparain parents: 6197 diff changeset	2410 }
0 a61af66fc99e Initial load duke parents: diff changeset	2411 }
a61af66fc99e Initial load duke parents: diff changeset	2412
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2413 address InstanceKlass::static_field_addr(int offset) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	2414 return (address)(offset + InstanceMirrorKlass::offset_of_static_fields() + (intptr_t)java_mirror());
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2415 }
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2416
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2417
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2418 const char* InstanceKlass::signature_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2419 const char* src = (const char*) (name()->as_C_string());
a61af66fc99e Initial load duke parents: diff changeset	2420 const int src_length = (int)strlen(src);
a61af66fc99e Initial load duke parents: diff changeset	2421 char* dest = NEW_RESOURCE_ARRAY(char, src_length + 3);
a61af66fc99e Initial load duke parents: diff changeset	2422 int src_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2423 int dest_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	2424 dest[dest_index++] = 'L';
a61af66fc99e Initial load duke parents: diff changeset	2425 while (src_index < src_length) {
a61af66fc99e Initial load duke parents: diff changeset	2426 dest[dest_index++] = src[src_index++];
a61af66fc99e Initial load duke parents: diff changeset	2427 }
a61af66fc99e Initial load duke parents: diff changeset	2428 dest[dest_index++] = ';';
a61af66fc99e Initial load duke parents: diff changeset	2429 dest[dest_index] = '\0';
a61af66fc99e Initial load duke parents: diff changeset	2430 return dest;
a61af66fc99e Initial load duke parents: diff changeset	2431 }
a61af66fc99e Initial load duke parents: diff changeset	2432
a61af66fc99e Initial load duke parents: diff changeset	2433 // different verisons of is_same_class_package
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2434 bool InstanceKlass::is_same_class_package(Klass* class2) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2435 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2436 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2437 Symbol* classname1 = class1->name();
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2438
070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2439 if (class2->oop_is_objArray()) {
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6735 diff changeset	2440 class2 = ObjArrayKlass::cast(class2)->bottom_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2441 }
a61af66fc99e Initial load duke parents: diff changeset	2442 oop classloader2;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2443 if (class2->oop_is_instance()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2444 classloader2 = InstanceKlass::cast(class2)->class_loader();
0 a61af66fc99e Initial load duke parents: diff changeset	2445 } else {
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2446 assert(class2->oop_is_typeArray(), "should be type array");
0 a61af66fc99e Initial load duke parents: diff changeset	2447 classloader2 = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2448 }
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2449 Symbol* classname2 = class2->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2450
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2451 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2452 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2453 }
a61af66fc99e Initial load duke parents: diff changeset	2454
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2455 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	2456 Klass* class1 = this;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2457 oop classloader1 = InstanceKlass::cast(class1)->class_loader();
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2458 Symbol* classname1 = class1->name();
0 a61af66fc99e Initial load duke parents: diff changeset	2459
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2460 return InstanceKlass::is_same_class_package(classloader1, classname1,
0 a61af66fc99e Initial load duke parents: diff changeset	2461 classloader2, classname2);
a61af66fc99e Initial load duke parents: diff changeset	2462 }
a61af66fc99e Initial load duke parents: diff changeset	2463
a61af66fc99e Initial load duke parents: diff changeset	2464 // return true if two classes are in the same package, classloader
a61af66fc99e Initial load duke parents: diff changeset	2465 // 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	2466 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	2467 oop class_loader2, Symbol* class_name2) {
0 a61af66fc99e Initial load duke parents: diff changeset	2468 if (class_loader1 != class_loader2) {
a61af66fc99e Initial load duke parents: diff changeset	2469 return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2470 } else if (class_name1 == class_name2) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2471 return true; // skip painful bytewise comparison
0 a61af66fc99e Initial load duke parents: diff changeset	2472 } else {
a61af66fc99e Initial load duke parents: diff changeset	2473 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2474
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2475 // The Symbol*'s are in UTF8 encoding. Since we only need to check explicitly
0 a61af66fc99e Initial load duke parents: diff changeset	2476 // for ASCII characters ('/', 'L', '['), we can keep them in UTF8 encoding.
a61af66fc99e Initial load duke parents: diff changeset	2477 // 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	2478 const jbyte *name1 = class_name1->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2479 const jbyte *name2 = class_name2->base();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2480
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	2481 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	2482 const jbyte *last_slash2 = UTF8::strrchr(name2, class_name2->utf8_length(), '/');
0 a61af66fc99e Initial load duke parents: diff changeset	2483
a61af66fc99e Initial load duke parents: diff changeset	2484 if ((last_slash1 == NULL) \|\| (last_slash2 == NULL)) {
a61af66fc99e Initial load duke parents: diff changeset	2485 // One of the two doesn't have a package. Only return true
a61af66fc99e Initial load duke parents: diff changeset	2486 // if the other one also doesn't have a package.
a61af66fc99e Initial load duke parents: diff changeset	2487 return last_slash1 == last_slash2;
a61af66fc99e Initial load duke parents: diff changeset	2488 } else {
a61af66fc99e Initial load duke parents: diff changeset	2489 // Skip over '['s
a61af66fc99e Initial load duke parents: diff changeset	2490 if (*name1 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2491 do {
a61af66fc99e Initial load duke parents: diff changeset	2492 name1++;
a61af66fc99e Initial load duke parents: diff changeset	2493 } while (*name1 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2494 if (*name1 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2495 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2496 return false;
a61af66fc99e Initial load duke parents: diff changeset	2497 }
a61af66fc99e Initial load duke parents: diff changeset	2498 }
a61af66fc99e Initial load duke parents: diff changeset	2499 if (*name2 == '[') {
a61af66fc99e Initial load duke parents: diff changeset	2500 do {
a61af66fc99e Initial load duke parents: diff changeset	2501 name2++;
a61af66fc99e Initial load duke parents: diff changeset	2502 } while (*name2 == '[');
a61af66fc99e Initial load duke parents: diff changeset	2503 if (*name2 != 'L') {
a61af66fc99e Initial load duke parents: diff changeset	2504 // Something is terribly wrong. Shouldn't be here.
a61af66fc99e Initial load duke parents: diff changeset	2505 return false;
a61af66fc99e Initial load duke parents: diff changeset	2506 }
a61af66fc99e Initial load duke parents: diff changeset	2507 }
a61af66fc99e Initial load duke parents: diff changeset	2508
a61af66fc99e Initial load duke parents: diff changeset	2509 // Check that package part is identical
a61af66fc99e Initial load duke parents: diff changeset	2510 int length1 = last_slash1 - name1;
a61af66fc99e Initial load duke parents: diff changeset	2511 int length2 = last_slash2 - name2;
a61af66fc99e Initial load duke parents: diff changeset	2512
a61af66fc99e Initial load duke parents: diff changeset	2513 return UTF8::equal(name1, length1, name2, length2);
a61af66fc99e Initial load duke parents: diff changeset	2514 }
a61af66fc99e Initial load duke parents: diff changeset	2515 }
a61af66fc99e Initial load duke parents: diff changeset	2516 }
a61af66fc99e Initial load duke parents: diff changeset	2517
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2518 // 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	2519 // See JSL 3rd edition 8.4.6.1
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2520 // Assumes name-signature match
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2521 // "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	2522 // 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	2523 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	2524 // Private methods can not be overridden
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2525 if (super_method->is_private()) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2526 return false;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2527 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2528 // If super method is accessible, then override
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2529 if ((super_method->is_protected()) \|\|
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2530 (super_method->is_public())) {
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2531 return true;
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2532 }
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2533 // Package-private methods are not inherited outside of package
4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2534 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	2535 return(is_same_class_package(targetclassloader(), targetclassname));
652 4aaa9f5e02a8 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242. acorn parents: 605 diff changeset	2536 }
0 a61af66fc99e Initial load duke parents: diff changeset	2537
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2538 /* 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	2539 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	2540 Symbol*& simple_name_result, TRAPS) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2541 ...
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2542 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2543 */
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2544
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2545 // 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	2546 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	2547 Klass* class2_oop, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2548 if (class2_oop == class1()) return true;
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	2549 if (!class2_oop->oop_is_instance()) return false;
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2550 instanceKlassHandle class2(THREAD, class2_oop);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2551
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2552 // must be in same package before we try anything else
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2553 if (!class1->is_same_class_package(class2->class_loader(), class2->name()))
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2554 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2555
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2556 // As long as there is an outer1.getEnclosingClass,
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2557 // shift the search outward.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2558 instanceKlassHandle outer1 = class1;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2559 for (;;) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2560 // As we walk along, look for equalities between outer1 and class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2561 // Eventually, the walks will terminate as outer1 stops
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2562 // 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	2563 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2564 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	2565 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2566 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2567 if (next == class2()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2568 outer1 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2569 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2570
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2571 // Now do the same for class2.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2572 instanceKlassHandle outer2 = class2;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2573 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	2574 bool ignore_inner_is_member;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2575 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	2576 CHECK_false);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2577 if (next == NULL) break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2578 // Might as well check the new outer against all available values.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2579 if (next == class1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2580 if (next == outer1()) return true;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2581 outer2 = instanceKlassHandle(THREAD, next);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2582 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2583
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2584 // 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	2585 // two classes, we know they are in separate package members.
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2586 return false;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2587 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2588
0 a61af66fc99e Initial load duke parents: diff changeset	2589
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2590 jint InstanceKlass::compute_modifier_flags(TRAPS) const {
0 a61af66fc99e Initial load duke parents: diff changeset	2591 jint access = access_flags().as_int();
a61af66fc99e Initial load duke parents: diff changeset	2592
a61af66fc99e Initial load duke parents: diff changeset	2593 // 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	2594 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	2595 InnerClassesIterator iter(ik);
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2596 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	2597 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	2598 // 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	2599 // 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	2600 if (ioff == 0) continue;
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2601
f7c4174b33ba 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field. jiangli parents: 4739 diff changeset	2602 // 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	2603 // 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	2604 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	2605 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	2606 // 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	2607 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	2608 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2609 }
a61af66fc99e Initial load duke parents: diff changeset	2610 }
a61af66fc99e Initial load duke parents: diff changeset	2611 // Remember to strip ACC_SUPER bit
a61af66fc99e Initial load duke parents: diff changeset	2612 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS;
a61af66fc99e Initial load duke parents: diff changeset	2613 }
a61af66fc99e Initial load duke parents: diff changeset	2614
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2615 jint InstanceKlass::jvmti_class_status() const {
0 a61af66fc99e Initial load duke parents: diff changeset	2616 jint result = 0;
a61af66fc99e Initial load duke parents: diff changeset	2617
a61af66fc99e Initial load duke parents: diff changeset	2618 if (is_linked()) {
a61af66fc99e Initial load duke parents: diff changeset	2619 result \|= JVMTI_CLASS_STATUS_VERIFIED \| JVMTI_CLASS_STATUS_PREPARED;
a61af66fc99e Initial load duke parents: diff changeset	2620 }
a61af66fc99e Initial load duke parents: diff changeset	2621
a61af66fc99e Initial load duke parents: diff changeset	2622 if (is_initialized()) {
a61af66fc99e Initial load duke parents: diff changeset	2623 assert(is_linked(), "Class status is not consistent");
a61af66fc99e Initial load duke parents: diff changeset	2624 result \|= JVMTI_CLASS_STATUS_INITIALIZED;
a61af66fc99e Initial load duke parents: diff changeset	2625 }
a61af66fc99e Initial load duke parents: diff changeset	2626 if (is_in_error_state()) {
a61af66fc99e Initial load duke parents: diff changeset	2627 result \|= JVMTI_CLASS_STATUS_ERROR;
a61af66fc99e Initial load duke parents: diff changeset	2628 }
a61af66fc99e Initial load duke parents: diff changeset	2629 return result;
a61af66fc99e Initial load duke parents: diff changeset	2630 }
a61af66fc99e Initial load duke parents: diff changeset	2631
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2632 Method* InstanceKlass::method_at_itable(Klass* holder, int index, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	2633 itableOffsetEntry* ioe = (itableOffsetEntry*)start_of_itable();
a61af66fc99e Initial load duke parents: diff changeset	2634 int method_table_offset_in_words = ioe->offset()/wordSize;
a61af66fc99e Initial load duke parents: diff changeset	2635 int nof_interfaces = (method_table_offset_in_words - itable_offset_in_words())
a61af66fc99e Initial load duke parents: diff changeset	2636 / itableOffsetEntry::size();
a61af66fc99e Initial load duke parents: diff changeset	2637
a61af66fc99e Initial load duke parents: diff changeset	2638 for (int cnt = 0 ; ; cnt ++, ioe ++) {
605 98cb887364d3 6810672: Comment typos twisti parents: 356 diff changeset	2639 // If the interface isn't implemented by the receiver class,
0 a61af66fc99e Initial load duke parents: diff changeset	2640 // the VM should throw IncompatibleClassChangeError.
a61af66fc99e Initial load duke parents: diff changeset	2641 if (cnt >= nof_interfaces) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2642 THROW_NULL(vmSymbols::java_lang_IncompatibleClassChangeError());
0 a61af66fc99e Initial load duke parents: diff changeset	2643 }
a61af66fc99e Initial load duke parents: diff changeset	2644
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2645 Klass* ik = ioe->interface_klass();
0 a61af66fc99e Initial load duke parents: diff changeset	2646 if (ik == holder) break;
a61af66fc99e Initial load duke parents: diff changeset	2647 }
a61af66fc99e Initial load duke parents: diff changeset	2648
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2649 itableMethodEntry* ime = ioe->first_method_entry(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2650 Method* m = ime[index].method();
0 a61af66fc99e Initial load duke parents: diff changeset	2651 if (m == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2652 THROW_NULL(vmSymbols::java_lang_AbstractMethodError());
0 a61af66fc99e Initial load duke parents: diff changeset	2653 }
a61af66fc99e Initial load duke parents: diff changeset	2654 return m;
a61af66fc99e Initial load duke parents: diff changeset	2655 }
a61af66fc99e Initial load duke parents: diff changeset	2656
a61af66fc99e Initial load duke parents: diff changeset	2657 // On-stack replacement stuff
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2658 void InstanceKlass::add_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2659 // only one compilation can be active
a61af66fc99e Initial load duke parents: diff changeset	2660 NEEDS_CLEANUP
a61af66fc99e Initial load duke parents: diff changeset	2661 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2662 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2663 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	2664 n->set_osr_link(osr_nmethods_head());
0 a61af66fc99e Initial load duke parents: diff changeset	2665 set_osr_nmethods_head(n);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2666 // Raise the highest osr level if necessary
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2667 if (TieredCompilation) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2668 Method* m = n->method();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2669 m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level()));
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2670 }
0 a61af66fc99e Initial load duke parents: diff changeset	2671 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2672 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2673
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2674 // Get rid of the osr methods for the same bci that have lower levels.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2675 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2676 for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2677 nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2678 if (inv != NULL && inv->is_in_use()) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2679 inv->make_not_entrant();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2680 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2681 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2682 }
0 a61af66fc99e Initial load duke parents: diff changeset	2683 }
a61af66fc99e Initial load duke parents: diff changeset	2684
a61af66fc99e Initial load duke parents: diff changeset	2685
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2686 void InstanceKlass::remove_osr_nmethod(nmethod* n) {
0 a61af66fc99e Initial load duke parents: diff changeset	2687 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2688 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2689 assert(n->is_osr_method(), "wrong kind of nmethod");
a61af66fc99e Initial load duke parents: diff changeset	2690 nmethod* last = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2691 nmethod* cur = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2692 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	2693 Method* m = n->method();
0 a61af66fc99e Initial load duke parents: diff changeset	2694 // Search for match
a61af66fc99e Initial load duke parents: diff changeset	2695 while(cur != NULL && cur != n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2696 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2697 // Find max level before n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2698 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2699 }
0 a61af66fc99e Initial load duke parents: diff changeset	2700 last = cur;
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2701 cur = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2702 }
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2703 nmethod* next = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2704 if (cur == n) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2705 next = cur->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2706 if (last == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2707 // Remove first element
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2708 set_osr_nmethods_head(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2709 } else {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2710 last->set_osr_link(next);
0 a61af66fc99e Initial load duke parents: diff changeset	2711 }
a61af66fc99e Initial load duke parents: diff changeset	2712 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2713 n->set_osr_link(NULL);
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2714 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2715 cur = next;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2716 while (cur != NULL) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2717 // Find max level after n
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2718 max_level = MAX2(max_level, cur->comp_level());
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2719 cur = cur->osr_link();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2720 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2721 m->set_highest_osr_comp_level(max_level);
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2722 }
0 a61af66fc99e Initial load duke parents: diff changeset	2723 // Remember to unlock again
a61af66fc99e Initial load duke parents: diff changeset	2724 OsrList_lock->unlock();
a61af66fc99e Initial load duke parents: diff changeset	2725 }
a61af66fc99e Initial load duke parents: diff changeset	2726
10265 92ef81e2f571 8003557: NPG: Klass* const k should be const Klass* k. minqi parents: 10152 diff changeset	2727 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	2728 // This is a short non-blocking critical region, so the no safepoint check is ok.
a61af66fc99e Initial load duke parents: diff changeset	2729 OsrList_lock->lock_without_safepoint_check();
a61af66fc99e Initial load duke parents: diff changeset	2730 nmethod* osr = osr_nmethods_head();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2731 nmethod* best = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2732 while (osr != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2733 assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2734 // There can be a time when a c1 osr method exists but we are waiting
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2735 // for a c2 version. When c2 completes its osr nmethod we will trash
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2736 // the c1 version and only be able to find the c2 version. However
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2737 // while we overflow in the c1 code at back branches we don't want to
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2738 // try and switch to the same code as we are already running
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2739
0 a61af66fc99e Initial load duke parents: diff changeset	2740 if (osr->method() == m &&
a61af66fc99e Initial load duke parents: diff changeset	2741 (bci == InvocationEntryBci \|\| osr->osr_entry_bci() == bci)) {
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2742 if (match_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2743 if (osr->comp_level() == comp_level) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2744 // Found a match - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2745 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2746 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2747 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2748 } else {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2749 if (best == NULL \|\| (osr->comp_level() > best->comp_level())) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2750 if (osr->comp_level() == CompLevel_highest_tier) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2751 // Found the best possible - return it.
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2752 OsrList_lock->unlock();
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2753 return osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2754 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2755 best = osr;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2756 }
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2757 }
0 a61af66fc99e Initial load duke parents: diff changeset	2758 }
989 148e5441d916 6863023: need non-perm oops in code cache for JSR 292 jrose parents: 876 diff changeset	2759 osr = osr->osr_link();
0 a61af66fc99e Initial load duke parents: diff changeset	2760 }
a61af66fc99e Initial load duke parents: diff changeset	2761 OsrList_lock->unlock();
1783 d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2762 if (best != NULL && best->comp_level() >= comp_level && match_level == false) {
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2763 return best;
d5d065957597 6953144: Tiered compilation iveresov parents: 1751 diff changeset	2764 }
0 a61af66fc99e Initial load duke parents: diff changeset	2765 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	2766 }
a61af66fc99e Initial load duke parents: diff changeset	2767
10133 6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2768 void InstanceKlass::add_member_name(Handle mem_name) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2769 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	2770 MutexLocker ml(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2771 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	2772
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2773 if (_member_names == NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2774 _member_names = new (ResourceObj::C_HEAP, mtClass) MemberNameTable();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2775 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2776 _member_names->add_member_name(mem_name_wref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2777 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition sspitsyn parents: 9062 diff changeset	2778
0 a61af66fc99e Initial load duke parents: diff changeset	2779 // -----------------------------------------------------------------------------------------------------
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2780 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2781
0 a61af66fc99e Initial load duke parents: diff changeset	2782 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2783
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2784 #define BULLET " - "
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2785
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2786 static const char* state_names[] = {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2787 "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	2788 };
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2789
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2790 void InstanceKlass::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2791 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2792 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2793
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2794 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	2795 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	2796 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	2797 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	2798 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	2799 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	2800 st->print(BULLET"sub: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2801 Klass* sub = subklass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2802 int n;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2803 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	2804 if (n < MaxSubklassPrintSize) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2805 sub->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2806 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2807 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2808 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2809 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	2810 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2811
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2812 if (is_interface()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2813 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	2814 if (nof_implementors() == 1) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2815 st->print_cr(BULLET"implementor: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2816 st->print(" ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2817 implementor()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2818 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2819 }
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 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	2823 st->print(BULLET"methods: "); methods()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2824 if (Verbose) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2825 Array<Method> method_array = methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2826 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	2827 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	2828 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2829 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2830 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	2831 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	2832 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	2833 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	2834 if (class_loader_data() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2835 st->print(BULLET"class loader data: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2836 class_loader_data()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2837 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2838 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2839 st->print(BULLET"protection domain: "); ((InstanceKlass*)this)->protection_domain()->print_value_on(st); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2840 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	2841 st->print(BULLET"signers: "); signers()->print_value_on(st); st->cr();
10152 c115fac239eb 8008962: NPG: Memory regression: One extra Monitor per ConstantPool iklam parents: 10149 diff changeset	2842 st->print(BULLET"init_lock: "); ((oop)_init_lock)->print_value_on(st); st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2843 if (source_file_name() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2844 st->print(BULLET"source file: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2845 source_file_name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2846 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2847 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2848 if (source_debug_extension() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2849 st->print(BULLET"source debug extension: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2850 st->print("%s", source_debug_extension());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2851 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2852 }
8031 927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2853 st->print(BULLET"class annotations: "); class_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2854 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	2855 st->print(BULLET"field annotations: "); fields_annotations()->print_value_on(st); st->cr();
927a311d00f9 8007320: NPG: move method annotations coleenp parents: 8003 diff changeset	2856 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	2857 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2858 ResourceMark rm;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2859 // PreviousVersionInfo objects returned via PreviousVersionWalker
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2860 // contain a GrowableArray of handles. We have to clean up the
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2861 // GrowableArray _after_ the PreviousVersionWalker destructor
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2862 // has destroyed the handles.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2863 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2864 bool have_pv = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2865 PreviousVersionWalker pvw((InstanceKlass*)this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2866 for (PreviousVersionInfo * pv_info = pvw.next_previous_version();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2867 pv_info != NULL; pv_info = pvw.next_previous_version()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2868 if (!have_pv)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2869 st->print(BULLET"previous version: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2870 have_pv = true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2871 pv_info->prev_constant_pool_handle()()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2872 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2873 if (have_pv) st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2874 } // pvw is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2875 } // rm is cleaned up
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2876
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2877 if (generic_signature() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2878 st->print(BULLET"generic signature: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2879 generic_signature()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2880 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2881 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2882 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	2883 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	2884 st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), start_of_vtable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2885 st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), start_of_itable()); st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2886 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	2887 FieldPrinter print_static_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2888 ((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	2889 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	2890 FieldPrinter print_nonstatic_field(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2891 ((InstanceKlass*)this)->do_nonstatic_fields(&print_nonstatic_field);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2892
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2893 st->print(BULLET"non-static oop maps: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2894 OopMapBlock* map = start_of_nonstatic_oop_maps();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2895 OopMapBlock* end_map = map + nonstatic_oop_map_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2896 while (map < end_map) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2897 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	2898 map++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2899 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2900 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2901 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2902
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2903 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2904
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2905 void InstanceKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2906 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2907 name()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2908 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2909
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2910 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2911
0 a61af66fc99e Initial load duke parents: diff changeset	2912 void FieldPrinter::do_field(fieldDescriptor* fd) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2913 _st->print(BULLET);
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2914 if (_obj == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2915 fd->print_on(_st);
a61af66fc99e Initial load duke parents: diff changeset	2916 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2917 } else {
a61af66fc99e Initial load duke parents: diff changeset	2918 fd->print_on_for(_st, _obj);
a61af66fc99e Initial load duke parents: diff changeset	2919 _st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2920 }
a61af66fc99e Initial load duke parents: diff changeset	2921 }
a61af66fc99e Initial load duke parents: diff changeset	2922
a61af66fc99e Initial load duke parents: diff changeset	2923
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2924 void InstanceKlass::oop_print_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2925 Klass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2926
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2927 if (this == SystemDictionary::String_klass()) {
0 a61af66fc99e Initial load duke parents: diff changeset	2928 typeArrayOop value = java_lang_String::value(obj);
a61af66fc99e Initial load duke parents: diff changeset	2929 juint offset = java_lang_String::offset(obj);
a61af66fc99e Initial load duke parents: diff changeset	2930 juint length = java_lang_String::length(obj);
a61af66fc99e Initial load duke parents: diff changeset	2931 if (value != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2932 value->is_typeArray() &&
a61af66fc99e Initial load duke parents: diff changeset	2933 offset <= (juint) value->length() &&
a61af66fc99e Initial load duke parents: diff changeset	2934 offset + length <= (juint) value->length()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2935 st->print(BULLET"string: ");
0 a61af66fc99e Initial load duke parents: diff changeset	2936 Handle h_obj(obj);
a61af66fc99e Initial load duke parents: diff changeset	2937 java_lang_String::print(h_obj, st);
a61af66fc99e Initial load duke parents: diff changeset	2938 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	2939 if (!WizardMode) return; // that is enough
a61af66fc99e Initial load duke parents: diff changeset	2940 }
a61af66fc99e Initial load duke parents: diff changeset	2941 }
a61af66fc99e Initial load duke parents: diff changeset	2942
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2943 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	2944 FieldPrinter print_field(st, obj);
c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2945 do_nonstatic_fields(&print_field);
0 a61af66fc99e Initial load duke parents: diff changeset	2946
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2947 if (this == SystemDictionary::Class_klass()) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2948 st->print(BULLET"signature: ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2949 java_lang_Class::print_signature(obj, st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2950 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2951 Klass* mirrored_klass = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2952 st->print(BULLET"fake entry for mirror: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2953 mirrored_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2954 st->cr();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2955 Klass* array_klass = java_lang_Class::array_klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2956 st->print(BULLET"fake entry for array: ");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2957 array_klass->print_value_on_maybe_null(st);
0 a61af66fc99e Initial load duke parents: diff changeset	2958 st->cr();
2376 c7f3d0b4570f 7017732: move static fields into Class to prepare for perm gen removal never parents: 2357 diff changeset	2959 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	2960 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	2961 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	2962 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	2963 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	2964 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2965 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2966 st->print(BULLET"signature: ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2967 java_lang_invoke_MethodType::print_signature(obj, st);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2968 st->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	2969 }
a61af66fc99e Initial load duke parents: diff changeset	2970 }
a61af66fc99e Initial load duke parents: diff changeset	2971
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2972 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1144 diff changeset	2973
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2974 void InstanceKlass::oop_print_value_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	2975 st->print("a ");
a61af66fc99e Initial load duke parents: diff changeset	2976 name()->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	2977 obj->print_address_on(st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2978 if (this == SystemDictionary::String_klass()
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2979 && java_lang_String::value(obj) != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2980 ResourceMark rm;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2981 int len = java_lang_String::length(obj);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2982 int plen = (len < 24 ? len : 12);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2983 char* str = java_lang_String::as_utf8_string(obj, 0, plen);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2984 st->print(" = \"%s\"", str);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2985 if (len > plen)
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2986 st->print("...[%d]", len);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2987 } else if (this == SystemDictionary::Class_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2988 Klass* k = java_lang_Class::as_Klass(obj);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2989 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2990 if (k != NULL) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2991 k->print_value_on(st);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2992 } else {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2993 const char* tname = type2name(java_lang_Class::primitive_type(obj));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2994 st->print("%s", tname ? tname : "type?");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2995 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	2996 } else if (this == SystemDictionary::MethodType_klass()) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 997 diff changeset	2997 st->print(" = ");
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2334 diff changeset	2998 java_lang_invoke_MethodType::print_signature(obj, st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	2999 } else if (java_lang_boxing_object::is_instance(obj)) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	3000 st->print(" = ");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	3001 java_lang_boxing_object::print(obj, st);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3002 } 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	3003 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	3004 if (vmentry != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3005 st->print(" => ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3006 vmentry->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3007 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3008 } else if (this == SystemDictionary::MemberName_klass()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3009 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	3010 if (vmtarget != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3011 st->print(" = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3012 vmtarget->print_value_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3013 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3014 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	3015 st->print(".");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6203 diff changeset	3016 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	3017 }
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 605 diff changeset	3018 }
0 a61af66fc99e Initial load duke parents: diff changeset	3019 }
a61af66fc99e Initial load duke parents: diff changeset	3020
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3021 const char* InstanceKlass::internal_name() const {
0 a61af66fc99e Initial load duke parents: diff changeset	3022 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	3023 }
a61af66fc99e Initial load duke parents: diff changeset	3024
7956 16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3025 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3026 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3027 void InstanceKlass::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3028 Klass::collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3029
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3030 sz->_inst_size = HeapWordSize * size_helper();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3031 sz->_vtab_bytes = HeapWordSize * align_object_offset(vtable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3032 sz->_itab_bytes = HeapWordSize * align_object_offset(itable_length());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3033 sz->_nonstatic_oopmap_bytes = HeapWordSize *
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3034 ((is_interface() \|\| is_anonymous()) ?
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3035 align_object_offset(nonstatic_oop_map_size()) :
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3036 nonstatic_oop_map_size());
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3037
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3038 int n = 0;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3039 n += (sz->_methods_array_bytes = sz->count_array(methods()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3040 n += (sz->_method_ordering_bytes = sz->count_array(method_ordering()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3041 n += (sz->_local_interfaces_bytes = sz->count_array(local_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3042 n += (sz->_transitive_interfaces_bytes = sz->count_array(transitive_interfaces()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3043 n += (sz->_signers_bytes = sz->count_array(signers()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3044 n += (sz->_fields_bytes = sz->count_array(fields()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3045 n += (sz->_inner_classes_bytes = sz->count_array(inner_classes()));
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3046 sz->_ro_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3047
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3048 const ConstantPool* cp = constants();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3049 if (cp) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3050 cp->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3051 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3052
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3053 const Annotations* anno = annotations();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3054 if (anno) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3055 anno->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3056 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3057
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3058 const Array<Method> methods_array = methods();
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3059 if (methods()) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3060 for (int i = 0; i < methods_array->length(); i++) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3061 Method* method = methods_array->at(i);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3062 if (method) {
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3063 sz->_method_count ++;
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3064 method->collect_statistics(sz);
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3065 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3066 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3067 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3068 }
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3069 #endif // INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements acorn parents: 7610 diff changeset	3070
0 a61af66fc99e Initial load duke parents: diff changeset	3071 // Verification
a61af66fc99e Initial load duke parents: diff changeset	3072
a61af66fc99e Initial load duke parents: diff changeset	3073 class VerifyFieldClosure: public OopClosure {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3074 protected:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3075 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	3076 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	3077 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	3078 tty->print_cr("Failed: " PTR_FORMAT " -> " PTR_FORMAT, p, (address)obj);
0 a61af66fc99e Initial load duke parents: diff changeset	3079 Universe::print();
a61af66fc99e Initial load duke parents: diff changeset	3080 guarantee(false, "boom");
a61af66fc99e Initial load duke parents: diff changeset	3081 }
a61af66fc99e Initial load duke parents: diff changeset	3082 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3083 public:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3084 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	3085 virtual void do_oop(narrowOop* p) { VerifyFieldClosure::do_oop_work(p); }
0 a61af66fc99e Initial load duke parents: diff changeset	3086 };
a61af66fc99e Initial load duke parents: diff changeset	3087
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3088 void InstanceKlass::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3089 Klass::verify_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3090 Thread *thread = Thread::current();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3091
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3092 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3093 // Avoid redundant verifies
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3094 if (_verify_count == Universe::verify_count()) return;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3095 _verify_count = Universe::verify_count();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3096 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3097 // Verify that klass is present in SystemDictionary
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3098 if (is_loaded() && !is_anonymous()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3099 Symbol* h_name = name();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3100 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	3101 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3102
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3103 // Verify static fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3104 VerifyFieldClosure blk;
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 // Verify vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3107 if (is_linked()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3108 ResourceMark rm(thread);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3109 // $$$ 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	3110 // always seemed a valid generalization. (DLD -- 6/00)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3111 vtable()->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3112 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3113
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3114 // Verify first subklass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3115 if (subklass_oop() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3116 guarantee(subklass_oop()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3117 guarantee(subklass_oop()->is_klass(), "should be klass");
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 // Verify siblings
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3121 Klass* super = this->super();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3122 Klass* sib = next_sibling();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3123 if (sib != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3124 if (sib == this) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3125 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	3126 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3127
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3128 guarantee(sib->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3129 guarantee(sib->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3130 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	3131 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3132
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3133 // Verify implementor fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3134 Klass* im = implementor();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3135 if (im != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3136 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	3137 guarantee(im->is_klass(), "should be klass");
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3138 guarantee(!im->is_interface() \|\| im == this,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3139 "implementors cannot be interfaces");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3140 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3141
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3142 // Verify local interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3143 if (local_interfaces()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3144 Array<Klass> local_interfaces = this->local_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3145 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	3146 Klass* e = local_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3147 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	3148 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3149 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3150
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3151 // Verify transitive interfaces
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3152 if (transitive_interfaces() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3153 Array<Klass> transitive_interfaces = this->transitive_interfaces();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3154 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	3155 Klass* e = transitive_interfaces->at(j);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6934 diff changeset	3156 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	3157 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3158 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3159
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3160 // Verify methods
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3161 if (methods() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3162 Array<Method> methods = this->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3163 for (int j = 0; j < methods->length(); j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3164 guarantee(methods->at(j)->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3165 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	3166 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3167 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	3168 Method* m1 = methods->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3169 Method* m2 = methods->at(j + 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3170 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	3171 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3172 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3173
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3174 // Verify method ordering
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3175 if (method_ordering() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3176 Array<int>* method_ordering = this->method_ordering();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3177 int length = method_ordering->length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3178 if (JvmtiExport::can_maintain_original_method_order() \|\|
9057 8554c55669b0 8010943: guarantee(length == 0) failed: invalid method ordering length hseigel parents: 8719 diff changeset	3179 ((UseSharedSpaces \|\| DumpSharedSpaces) && length != 0)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3180 guarantee(length == methods()->length(), "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3181 jlong sum = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3182 for (int j = 0; j < length; j++) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3183 int original_index = method_ordering->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3184 guarantee(original_index >= 0, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3185 guarantee(original_index < length, "invalid method ordering index");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3186 sum += original_index;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3187 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3188 // Verify sum of indices 0,1,...,length-1
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3189 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	3190 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3191 guarantee(length == 0, "invalid method ordering length");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3192 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3193 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3194
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3195 // Verify JNI static field identifiers
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3196 if (jni_ids() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3197 jni_ids()->verify(this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3198 }
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 // Verify other fields
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3201 if (array_klasses() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3202 guarantee(array_klasses()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3203 guarantee(array_klasses()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3204 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3205 if (constants() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3206 guarantee(constants()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3207 guarantee(constants()->is_constantPool(), "should be constant pool");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3208 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3209 if (protection_domain() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3210 guarantee(protection_domain()->is_oop(), "should be oop");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3211 }
8693 872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3212 const Klass* host = host_klass();
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3213 if (host != NULL) {
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3214 guarantee(host->is_metadata(), "should be in metaspace");
872b3feace55 8008750: [partfait] Null pointer deference in hotspot/src/share/vm/oops/instanceKlass.hpp morris parents: 8031 diff changeset	3215 guarantee(host->is_klass(), "should be klass");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3216 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3217 if (signers() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3218 guarantee(signers()->is_objArray(), "should be obj array");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3219 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3220 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3221
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3222 void InstanceKlass::oop_verify_on(oop obj, outputStream* st) {
0 a61af66fc99e Initial load duke parents: diff changeset	3223 Klass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	3224 VerifyFieldClosure blk;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3225 obj->oop_iterate_no_header(&blk);
0 a61af66fc99e Initial load duke parents: diff changeset	3226 }
a61af66fc99e Initial load duke parents: diff changeset	3227
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3228
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3229 // JNIid class for jfieldIDs only
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3230 // Note to reviewers:
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3231 // 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	3232 // in the compressed oops workspace.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3233 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	3234 _holder = holder;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3235 _offset = offset;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3236 _next = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3237 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	3238 }
0 a61af66fc99e Initial load duke parents: diff changeset	3239
a61af66fc99e Initial load duke parents: diff changeset	3240
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3241 JNIid* JNIid::find(int offset) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3242 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3243 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3244 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	3245 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3246 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3247 return NULL;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3248 }
0 a61af66fc99e Initial load duke parents: diff changeset	3249
a61af66fc99e Initial load duke parents: diff changeset	3250 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	3251 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3252 JNIid* next = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3253 delete current;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3254 current = next;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3255 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3256 }
0 a61af66fc99e Initial load duke parents: diff changeset	3257
a61af66fc99e Initial load duke parents: diff changeset	3258
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3259 void JNIid::verify(Klass* holder) {
6735 aed758eda82a 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass coleenp parents: 6733 diff changeset	3260 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	3261 int end_field_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3262 end_field_offset = first_field_offset + (InstanceKlass::cast(holder)->static_field_size() * wordSize);
0 a61af66fc99e Initial load duke parents: diff changeset	3263
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3264 JNIid* current = this;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3265 while (current != NULL) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3266 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	3267 #ifdef ASSERT
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3268 int o = current->offset();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3269 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	3270 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	3271 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3272 #endif
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3273 current = current->next();
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3274 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3275 }
0 a61af66fc99e Initial load duke parents: diff changeset	3276
a61af66fc99e Initial load duke parents: diff changeset	3277
a61af66fc99e Initial load duke parents: diff changeset	3278 #ifdef ASSERT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3279 void InstanceKlass::set_init_state(ClassState state) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3280 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	3281 : (_init_state < state);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3282 assert(good_state \|\| state == allocated, "illegal state transition");
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 4006 diff changeset	3283 _init_state = (u1)state;
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 52 diff changeset	3284 }
0 a61af66fc99e Initial load duke parents: diff changeset	3285 #endif
a61af66fc99e Initial load duke parents: diff changeset	3286
a61af66fc99e Initial load duke parents: diff changeset	3287
a61af66fc99e Initial load duke parents: diff changeset	3288 // RedefineClasses() support for previous versions:
a61af66fc99e Initial load duke parents: diff changeset	3289
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3290 // Purge previous versions
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3291 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	3292 if (ik->previous_versions() != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3293 // 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	3294 // while it is safe to do so.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3295
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3296 int deleted_count = 0; // leave debugging breadcrumbs
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3297 int live_count = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3298 ClassLoaderData* loader_data = ik->class_loader_data() == NULL ?
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3299 ClassLoaderData::the_null_class_loader_data() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3300 ik->class_loader_data();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3301
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3302 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3303 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	3304 ik->external_name(), ik->previous_versions()->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3305
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3306 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	3307 // check the previous versions array
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3308 PreviousVersionNode * pv_node = ik->previous_versions()->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3309 ConstantPool* cp_ref = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3310 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	3311
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3312 ConstantPool* pvcp = cp_ref;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3313 if (!pvcp->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3314 // 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	3315 // 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	3316 // and this previous version node.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3317 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	3318 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3319 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	3320 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3321 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3322 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3323 // method will be freed with associated class.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3324 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3325 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3326 // Remove the constant pool
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3327 delete pv_node;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3328 // 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	3329 // do anything special with the index.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3330 ik->previous_versions()->remove_at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3331 deleted_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3332 continue;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3333 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3334 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	3335 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	3336 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	3337 live_count++;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3338 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3339
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3340 // 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	3341 // the others or mark them as obsolete.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3342 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	3343 if (method_refs != NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3344 RC_TRACE(0x00000200, ("purge: previous methods length=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3345 method_refs->length()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3346 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	3347 Method* method = method_refs->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3348 assert(method != NULL, "method ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3349
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3350 // 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	3351 // 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	3352 // 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	3353 if (!method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3354 method_refs->remove_at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3355 } else if (emcp_method_count == 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3356 method->set_is_obsolete();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3357 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3358 // RC_TRACE macro has an embedded ResourceMark
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3359 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3360 ("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	3361 method->name()->as_C_string(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3362 method->signature()->as_C_string(), j, i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3363 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3364 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3365 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3366 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3367 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	3368 RC_TRACE(0x00000200,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3369 ("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	3370 deleted_count));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3371 }
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
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3374 // External interface for use during class unloading.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3375 void InstanceKlass::purge_previous_versions(InstanceKlass* ik) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3376 // 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	3377 purge_previous_versions_internal(ik, 1);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3378 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3379
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3380
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3381 // Potentially add an information node that contains pointers to the
0 a61af66fc99e Initial load duke parents: diff changeset	3382 // 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	3383 // 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	3384 // 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	3385 // 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	3386 // 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	3387 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3388 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	3389 BitMap* emcp_methods, int emcp_method_count) {
0 a61af66fc99e Initial load duke parents: diff changeset	3390 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	3391 "only VMThread can add previous versions");
0 a61af66fc99e Initial load duke parents: diff changeset	3392
a61af66fc99e Initial load duke parents: diff changeset	3393 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3394 // This is the first previous version so make some space.
a61af66fc99e Initial load duke parents: diff changeset	3395 // Start with 2 elements under the assumption that the class
a61af66fc99e Initial load duke parents: diff changeset	3396 // won't be redefined much.
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3397 _previous_versions = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3398 GrowableArray<PreviousVersionNode *>(2, true);
a61af66fc99e Initial load duke parents: diff changeset	3399 }
a61af66fc99e Initial load duke parents: diff changeset	3400
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3401 ConstantPool* cp_ref = ikh->constants();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3402
0 a61af66fc99e Initial load duke parents: diff changeset	3403 // RC_TRACE macro has an embedded ResourceMark
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3404 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	3405 "on_stack=%d",
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3406 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	3407 cp_ref->on_stack()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3408
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3409 // 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	3410 // 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	3411 // 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	3412 // 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	3413 // 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	3414 Array<Method> old_methods = ikh->methods();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3415
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3416 if (cp_ref->on_stack()) {
0 a61af66fc99e Initial load duke parents: diff changeset	3417 PreviousVersionNode * pv_node = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3418 if (emcp_method_count == 0) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3419 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3420 pv_node = new PreviousVersionNode(cp_ref, !cp_ref->is_shared(), NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	3421 RC_TRACE(0x00000400,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3422 ("add: all methods are obsolete; flushing any EMCP refs"));
0 a61af66fc99e Initial load duke parents: diff changeset	3423 } else {
a61af66fc99e Initial load duke parents: diff changeset	3424 int local_count = 0;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3425 GrowableArray<Method> method_refs = new (ResourceObj::C_HEAP, mtClass)
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3426 GrowableArray<Method*>(emcp_method_count, true);
0 a61af66fc99e Initial load duke parents: diff changeset	3427 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3428 if (emcp_methods->at(i)) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3429 // this old method is EMCP. Save it only if it's on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3430 Method* old_method = old_methods->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3431 if (old_method->on_stack()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3432 method_refs->append(old_method);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3433 }
0 a61af66fc99e Initial load duke parents: diff changeset	3434 if (++local_count >= emcp_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3435 // no more EMCP methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3436 break;
a61af66fc99e Initial load duke parents: diff changeset	3437 }
a61af66fc99e Initial load duke parents: diff changeset	3438 }
a61af66fc99e Initial load duke parents: diff changeset	3439 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3440 // non-shared ConstantPool gets a reference
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3441 pv_node = new PreviousVersionNode(cp_ref, !cp_ref->is_shared(), method_refs);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3442 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3443 // append new previous version.
0 a61af66fc99e Initial load duke parents: diff changeset	3444 _previous_versions->append(pv_node);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3445 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3446
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3447 // 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	3448 // is a good time to clear out unused references.
0 a61af66fc99e Initial load duke parents: diff changeset	3449
a61af66fc99e Initial load duke parents: diff changeset	3450 RC_TRACE(0x00000400, ("add: previous version length=%d",
a61af66fc99e Initial load duke parents: diff changeset	3451 _previous_versions->length()));
a61af66fc99e Initial load duke parents: diff changeset	3452
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3453 // Purge previous versions not executing on the stack
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3454 purge_previous_versions_internal(this, emcp_method_count);
0 a61af66fc99e Initial load duke parents: diff changeset	3455
a61af66fc99e Initial load duke parents: diff changeset	3456 int obsolete_method_count = old_methods->length() - emcp_method_count;
a61af66fc99e Initial load duke parents: diff changeset	3457
a61af66fc99e Initial load duke parents: diff changeset	3458 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	3459 _previous_versions->length() > 0) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3460 // We have a mix of obsolete and EMCP methods so we have to
0 a61af66fc99e Initial load duke parents: diff changeset	3461 // clear out any matching EMCP method entries the hard way.
a61af66fc99e Initial load duke parents: diff changeset	3462 int local_count = 0;
a61af66fc99e Initial load duke parents: diff changeset	3463 for (int i = 0; i < old_methods->length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3464 if (!emcp_methods->at(i)) {
a61af66fc99e Initial load duke parents: diff changeset	3465 // only obsolete methods are interesting
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3466 Method* old_method = old_methods->at(i);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3467 Symbol* m_name = old_method->name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 1972 diff changeset	3468 Symbol* m_signature = old_method->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	3469
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3470 // we might not have added the last entry
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3471 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	3472 // 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	3473 PreviousVersionNode * pv_node = _previous_versions->at(j);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3474
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3475 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3476 if (method_refs == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3477 // We have run into a PreviousVersion generation where
a61af66fc99e Initial load duke parents: diff changeset	3478 // all methods were made obsolete during that generation's
a61af66fc99e Initial load duke parents: diff changeset	3479 // RedefineClasses() operation. At the time of that
a61af66fc99e Initial load duke parents: diff changeset	3480 // operation, all EMCP methods were flushed so we don't
a61af66fc99e Initial load duke parents: diff changeset	3481 // have to go back any further.
a61af66fc99e Initial load duke parents: diff changeset	3482 //
a61af66fc99e Initial load duke parents: diff changeset	3483 // A NULL method_refs is different than an empty method_refs.
a61af66fc99e Initial load duke parents: diff changeset	3484 // We cannot infer any optimizations about older generations
a61af66fc99e Initial load duke parents: diff changeset	3485 // from an empty method_refs for the current generation.
a61af66fc99e Initial load duke parents: diff changeset	3486 break;
a61af66fc99e Initial load duke parents: diff changeset	3487 }
a61af66fc99e Initial load duke parents: diff changeset	3488
a61af66fc99e Initial load duke parents: diff changeset	3489 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	3490 Method* method = method_refs->at(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3491
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3492 if (!method->is_obsolete() &&
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3493 method->name() == m_name &&
0 a61af66fc99e Initial load duke parents: diff changeset	3494 method->signature() == m_signature) {
a61af66fc99e Initial load duke parents: diff changeset	3495 // The current RedefineClasses() call has made all EMCP
a61af66fc99e Initial load duke parents: diff changeset	3496 // 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	3497 // and remove the reference.
0 a61af66fc99e Initial load duke parents: diff changeset	3498 RC_TRACE(0x00000400,
a61af66fc99e Initial load duke parents: diff changeset	3499 ("add: %s(%s): flush obsolete method @%d in version @%d",
a61af66fc99e Initial load duke parents: diff changeset	3500 m_name->as_C_string(), m_signature->as_C_string(), k, j));
a61af66fc99e Initial load duke parents: diff changeset	3501
a61af66fc99e Initial load duke parents: diff changeset	3502 method->set_is_obsolete();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3503 // 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	3504 // clean up later.
0 a61af66fc99e Initial load duke parents: diff changeset	3505 break;
a61af66fc99e Initial load duke parents: diff changeset	3506 }
a61af66fc99e Initial load duke parents: diff changeset	3507 }
a61af66fc99e Initial load duke parents: diff changeset	3508
a61af66fc99e Initial load duke parents: diff changeset	3509 // The previous loop may not find a matching EMCP method, but
a61af66fc99e Initial load duke parents: diff changeset	3510 // that doesn't mean that we can optimize and not go any
a61af66fc99e Initial load duke parents: diff changeset	3511 // 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	3512 // method for this generation could have already been deleted,
0 a61af66fc99e Initial load duke parents: diff changeset	3513 // 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	3514 // been deleted.
0 a61af66fc99e Initial load duke parents: diff changeset	3515 }
a61af66fc99e Initial load duke parents: diff changeset	3516
a61af66fc99e Initial load duke parents: diff changeset	3517 if (++local_count >= obsolete_method_count) {
a61af66fc99e Initial load duke parents: diff changeset	3518 // no more obsolete methods so bail out now
a61af66fc99e Initial load duke parents: diff changeset	3519 break;
a61af66fc99e Initial load duke parents: diff changeset	3520 }
a61af66fc99e Initial load duke parents: diff changeset	3521 }
a61af66fc99e Initial load duke parents: diff changeset	3522 }
a61af66fc99e Initial load duke parents: diff changeset	3523 }
a61af66fc99e Initial load duke parents: diff changeset	3524 } // end add_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3525
a61af66fc99e Initial load duke parents: diff changeset	3526
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3527 // Determine if InstanceKlass has a previous version.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3528 bool InstanceKlass::has_previous_version() const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3529 return (_previous_versions != NULL && _previous_versions->length() > 0);
0 a61af66fc99e Initial load duke parents: diff changeset	3530 } // end has_previous_version()
a61af66fc99e Initial load duke parents: diff changeset	3531
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3532
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3533 Method* InstanceKlass::method_with_idnum(int idnum) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3534 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3535 if (idnum < methods()->length()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3536 m = methods()->at(idnum);
0 a61af66fc99e Initial load duke parents: diff changeset	3537 }
a61af66fc99e Initial load duke parents: diff changeset	3538 if (m == NULL \|\| m->method_idnum() != idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3539 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	3540 m = methods()->at(index);
0 a61af66fc99e Initial load duke parents: diff changeset	3541 if (m->method_idnum() == idnum) {
a61af66fc99e Initial load duke parents: diff changeset	3542 return m;
a61af66fc99e Initial load duke parents: diff changeset	3543 }
a61af66fc99e Initial load duke parents: diff changeset	3544 }
a61af66fc99e Initial load duke parents: diff changeset	3545 }
a61af66fc99e Initial load duke parents: diff changeset	3546 return m;
a61af66fc99e Initial load duke parents: diff changeset	3547 }
a61af66fc99e Initial load duke parents: diff changeset	3548
a61af66fc99e Initial load duke parents: diff changeset	3549
a61af66fc99e Initial load duke parents: diff changeset	3550 // 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	3551 // the InstanceKlass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3552 PreviousVersionNode::PreviousVersionNode(ConstantPool* prev_constant_pool,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3553 bool prev_cp_is_weak, GrowableArray<Method> prev_EMCP_methods) {
0 a61af66fc99e Initial load duke parents: diff changeset	3554
a61af66fc99e Initial load duke parents: diff changeset	3555 _prev_constant_pool = prev_constant_pool;
47 2c106685d6d0 6497639: 4/3 Profiling Swing application caused JVM crash dcubed parents: 0 diff changeset	3556 _prev_cp_is_weak = prev_cp_is_weak;
0 a61af66fc99e Initial load duke parents: diff changeset	3557 _prev_EMCP_methods = prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3558 }
a61af66fc99e Initial load duke parents: diff changeset	3559
a61af66fc99e Initial load duke parents: diff changeset	3560
a61af66fc99e Initial load duke parents: diff changeset	3561 // Destroy a PreviousVersionNode
a61af66fc99e Initial load duke parents: diff changeset	3562 PreviousVersionNode::~PreviousVersionNode() {
a61af66fc99e Initial load duke parents: diff changeset	3563 if (_prev_constant_pool != NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3564 _prev_constant_pool = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3565 }
a61af66fc99e Initial load duke parents: diff changeset	3566
a61af66fc99e Initial load duke parents: diff changeset	3567 if (_prev_EMCP_methods != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3568 delete _prev_EMCP_methods;
a61af66fc99e Initial load duke parents: diff changeset	3569 }
a61af66fc99e Initial load duke parents: diff changeset	3570 }
a61af66fc99e Initial load duke parents: diff changeset	3571
a61af66fc99e Initial load duke parents: diff changeset	3572
a61af66fc99e Initial load duke parents: diff changeset	3573 // Construct a PreviousVersionInfo entry
a61af66fc99e Initial load duke parents: diff changeset	3574 PreviousVersionInfo::PreviousVersionInfo(PreviousVersionNode *pv_node) {
a61af66fc99e Initial load duke parents: diff changeset	3575 _prev_constant_pool_handle = constantPoolHandle(); // NULL handle
a61af66fc99e Initial load duke parents: diff changeset	3576 _prev_EMCP_method_handles = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3577
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3578 ConstantPool* cp = pv_node->prev_constant_pool();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3579 assert(cp != NULL, "constant pool ref was unexpectedly cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3580 if (cp == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3581 return; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3582 }
a61af66fc99e Initial load duke parents: diff changeset	3583
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3584 // make the ConstantPool* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3585 _prev_constant_pool_handle = constantPoolHandle(cp);
a61af66fc99e Initial load duke parents: diff changeset	3586
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3587 GrowableArray<Method> method_refs = pv_node->prev_EMCP_methods();
0 a61af66fc99e Initial load duke parents: diff changeset	3588 if (method_refs == NULL) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3589 // the InstanceKlass did not have any EMCP methods
0 a61af66fc99e Initial load duke parents: diff changeset	3590 return;
a61af66fc99e Initial load duke parents: diff changeset	3591 }
a61af66fc99e Initial load duke parents: diff changeset	3592
a61af66fc99e Initial load duke parents: diff changeset	3593 _prev_EMCP_method_handles = new GrowableArray<methodHandle>(10);
a61af66fc99e Initial load duke parents: diff changeset	3594
a61af66fc99e Initial load duke parents: diff changeset	3595 int n_methods = method_refs->length();
a61af66fc99e Initial load duke parents: diff changeset	3596 for (int i = 0; i < n_methods; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3597 Method* method = method_refs->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3598 assert (method != NULL, "method has been cleared");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3599 if (method == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	3600 continue; // robustness
a61af66fc99e Initial load duke parents: diff changeset	3601 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3602 // make the Method* safe to return
0 a61af66fc99e Initial load duke parents: diff changeset	3603 _prev_EMCP_method_handles->append(methodHandle(method));
a61af66fc99e Initial load duke parents: diff changeset	3604 }
a61af66fc99e Initial load duke parents: diff changeset	3605 }
a61af66fc99e Initial load duke parents: diff changeset	3606
a61af66fc99e Initial load duke parents: diff changeset	3607
a61af66fc99e Initial load duke parents: diff changeset	3608 // Destroy a PreviousVersionInfo
a61af66fc99e Initial load duke parents: diff changeset	3609 PreviousVersionInfo::~PreviousVersionInfo() {
a61af66fc99e Initial load duke parents: diff changeset	3610 // Since _prev_EMCP_method_handles is not C-heap allocated, we
a61af66fc99e Initial load duke parents: diff changeset	3611 // don't have to delete it.
a61af66fc99e Initial load duke parents: diff changeset	3612 }
a61af66fc99e Initial load duke parents: diff changeset	3613
a61af66fc99e Initial load duke parents: diff changeset	3614
a61af66fc99e Initial load duke parents: diff changeset	3615 // Construct a helper for walking the previous versions array
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3616 PreviousVersionWalker::PreviousVersionWalker(InstanceKlass *ik) {
0 a61af66fc99e Initial load duke parents: diff changeset	3617 _previous_versions = ik->previous_versions();
a61af66fc99e Initial load duke parents: diff changeset	3618 _current_index = 0;
a61af66fc99e Initial load duke parents: diff changeset	3619 // _hm needs no initialization
a61af66fc99e Initial load duke parents: diff changeset	3620 _current_p = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3621 }
a61af66fc99e Initial load duke parents: diff changeset	3622
a61af66fc99e Initial load duke parents: diff changeset	3623
a61af66fc99e Initial load duke parents: diff changeset	3624 // Destroy a PreviousVersionWalker
a61af66fc99e Initial load duke parents: diff changeset	3625 PreviousVersionWalker::~PreviousVersionWalker() {
a61af66fc99e Initial load duke parents: diff changeset	3626 // Delete the current info just in case the caller didn't walk to
a61af66fc99e Initial load duke parents: diff changeset	3627 // the end of the previous versions list. No harm if _current_p is
a61af66fc99e Initial load duke parents: diff changeset	3628 // already NULL.
a61af66fc99e Initial load duke parents: diff changeset	3629 delete _current_p;
a61af66fc99e Initial load duke parents: diff changeset	3630
a61af66fc99e Initial load duke parents: diff changeset	3631 // When _hm is destroyed, all the Handles returned in
a61af66fc99e Initial load duke parents: diff changeset	3632 // PreviousVersionInfo objects will be destroyed.
a61af66fc99e Initial load duke parents: diff changeset	3633 // Also, after this destructor is finished it will be
a61af66fc99e Initial load duke parents: diff changeset	3634 // safe to delete the GrowableArray allocated in the
a61af66fc99e Initial load duke parents: diff changeset	3635 // PreviousVersionInfo objects.
a61af66fc99e Initial load duke parents: diff changeset	3636 }
a61af66fc99e Initial load duke parents: diff changeset	3637
a61af66fc99e Initial load duke parents: diff changeset	3638
a61af66fc99e Initial load duke parents: diff changeset	3639 // Return the interesting information for the next previous version
a61af66fc99e Initial load duke parents: diff changeset	3640 // of the klass. Returns NULL if there are no more previous versions.
a61af66fc99e Initial load duke parents: diff changeset	3641 PreviousVersionInfo* PreviousVersionWalker::next_previous_version() {
a61af66fc99e Initial load duke parents: diff changeset	3642 if (_previous_versions == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3643 // no previous versions so nothing to return
a61af66fc99e Initial load duke parents: diff changeset	3644 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3645 }
a61af66fc99e Initial load duke parents: diff changeset	3646
a61af66fc99e Initial load duke parents: diff changeset	3647 delete _current_p; // cleanup the previous info for the caller
a61af66fc99e Initial load duke parents: diff changeset	3648 _current_p = NULL; // reset to NULL so we don't delete same object twice
a61af66fc99e Initial load duke parents: diff changeset	3649
a61af66fc99e Initial load duke parents: diff changeset	3650 int length = _previous_versions->length();
a61af66fc99e Initial load duke parents: diff changeset	3651
a61af66fc99e Initial load duke parents: diff changeset	3652 while (_current_index < length) {
a61af66fc99e Initial load duke parents: diff changeset	3653 PreviousVersionNode * pv_node = _previous_versions->at(_current_index++);
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6038 diff changeset	3654 PreviousVersionInfo * pv_info = new (ResourceObj::C_HEAP, mtClass)
0 a61af66fc99e Initial load duke parents: diff changeset	3655 PreviousVersionInfo(pv_node);
a61af66fc99e Initial load duke parents: diff changeset	3656
a61af66fc99e Initial load duke parents: diff changeset	3657 constantPoolHandle cp_h = pv_info->prev_constant_pool_handle();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3658 assert (!cp_h.is_null(), "null cp found in previous version");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3659
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3660 // The caller will need to delete pv_info when they are done with it.
0 a61af66fc99e Initial load duke parents: diff changeset	3661 _current_p = pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3662 return pv_info;
a61af66fc99e Initial load duke parents: diff changeset	3663 }
a61af66fc99e Initial load duke parents: diff changeset	3664
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	3665 // all of the underlying nodes' info has been deleted
0 a61af66fc99e Initial load duke parents: diff changeset	3666 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	3667 } // end next_previous_version()

Mercurial > hg > truffle

annotate src/share/vm/oops/instanceKlass.cpp @ 10265:92ef81e2f571