Wed, 16 Jan 2013 16:30:04 +0100
8006403: Regression: jstack failed due to the FieldInfo regression in SA
Reviewed-by: sla, dholmes
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
duke@435 | 1 | /* |
jiangli@3701 | 2 | * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | package sun.jvm.hotspot.oops; |
duke@435 | 26 | |
duke@435 | 27 | import java.io.*; |
duke@435 | 28 | import java.util.*; |
coleenp@4037 | 29 | import sun.jvm.hotspot.classfile.ClassLoaderData; |
duke@435 | 30 | import sun.jvm.hotspot.debugger.*; |
duke@435 | 31 | import sun.jvm.hotspot.memory.*; |
duke@435 | 32 | import sun.jvm.hotspot.runtime.*; |
duke@435 | 33 | import sun.jvm.hotspot.types.*; |
duke@435 | 34 | import sun.jvm.hotspot.utilities.*; |
duke@435 | 35 | |
duke@435 | 36 | // An InstanceKlass is the VM level representation of a Java class. |
duke@435 | 37 | |
duke@435 | 38 | public class InstanceKlass extends Klass { |
duke@435 | 39 | static { |
duke@435 | 40 | VM.registerVMInitializedObserver(new Observer() { |
duke@435 | 41 | public void update(Observable o, Object data) { |
duke@435 | 42 | initialize(VM.getVM().getTypeDataBase()); |
duke@435 | 43 | } |
duke@435 | 44 | }); |
duke@435 | 45 | } |
duke@435 | 46 | |
duke@435 | 47 | // field offset constants |
never@3158 | 48 | private static int ACCESS_FLAGS_OFFSET; |
never@3158 | 49 | private static int NAME_INDEX_OFFSET; |
never@3158 | 50 | private static int SIGNATURE_INDEX_OFFSET; |
never@3158 | 51 | private static int INITVAL_INDEX_OFFSET; |
never@3158 | 52 | private static int LOW_OFFSET; |
never@3158 | 53 | private static int HIGH_OFFSET; |
never@3158 | 54 | private static int FIELD_SLOTS; |
jwilhelm@4430 | 55 | private static short FIELDINFO_TAG_SIZE; |
sla@4462 | 56 | private static short FIELDINFO_TAG_MASK; |
jwilhelm@4430 | 57 | private static short FIELDINFO_TAG_OFFSET; |
duke@435 | 58 | |
duke@435 | 59 | // ClassState constants |
duke@435 | 60 | private static int CLASS_STATE_ALLOCATED; |
duke@435 | 61 | private static int CLASS_STATE_LOADED; |
duke@435 | 62 | private static int CLASS_STATE_LINKED; |
duke@435 | 63 | private static int CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 64 | private static int CLASS_STATE_FULLY_INITIALIZED; |
duke@435 | 65 | private static int CLASS_STATE_INITIALIZATION_ERROR; |
duke@435 | 66 | |
duke@435 | 67 | private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
coleenp@4037 | 68 | Type type = db.lookupType("InstanceKlass"); |
coleenp@4037 | 69 | arrayKlasses = new MetadataField(type.getAddressField("_array_klasses"), 0); |
coleenp@4037 | 70 | methods = type.getAddressField("_methods"); |
coleenp@4037 | 71 | methodOrdering = type.getAddressField("_method_ordering"); |
coleenp@4037 | 72 | localInterfaces = type.getAddressField("_local_interfaces"); |
coleenp@4037 | 73 | transitiveInterfaces = type.getAddressField("_transitive_interfaces"); |
coleenp@4037 | 74 | fields = type.getAddressField("_fields"); |
coleenp@4037 | 75 | javaFieldsCount = new CIntField(type.getCIntegerField("_java_fields_count"), 0); |
coleenp@4037 | 76 | constants = new MetadataField(type.getAddressField("_constants"), 0); |
coleenp@4037 | 77 | classLoaderData = type.getAddressField("_class_loader_data"); |
coleenp@4037 | 78 | protectionDomain = new OopField(type.getOopField("_protection_domain"), 0); |
coleenp@4037 | 79 | signers = new OopField(type.getOopField("_signers"), 0); |
coleenp@2497 | 80 | sourceFileName = type.getAddressField("_source_file_name"); |
coleenp@2497 | 81 | sourceDebugExtension = type.getAddressField("_source_debug_extension"); |
coleenp@4037 | 82 | innerClasses = type.getAddressField("_inner_classes"); |
coleenp@4037 | 83 | nonstaticFieldSize = new CIntField(type.getCIntegerField("_nonstatic_field_size"), 0); |
coleenp@4037 | 84 | staticFieldSize = new CIntField(type.getCIntegerField("_static_field_size"), 0); |
coleenp@4037 | 85 | staticOopFieldCount = new CIntField(type.getCIntegerField("_static_oop_field_count"), 0); |
coleenp@4037 | 86 | nonstaticOopMapSize = new CIntField(type.getCIntegerField("_nonstatic_oop_map_size"), 0); |
coleenp@4037 | 87 | isMarkedDependent = new CIntField(type.getCIntegerField("_is_marked_dependent"), 0); |
coleenp@4037 | 88 | initState = new CIntField(type.getCIntegerField("_init_state"), 0); |
coleenp@4037 | 89 | vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), 0); |
coleenp@4037 | 90 | itableLen = new CIntField(type.getCIntegerField("_itable_len"), 0); |
duke@435 | 91 | breakpoints = type.getAddressField("_breakpoints"); |
coleenp@2497 | 92 | genericSignature = type.getAddressField("_generic_signature"); |
coleenp@4037 | 93 | majorVersion = new CIntField(type.getCIntegerField("_major_version"), 0); |
coleenp@4037 | 94 | minorVersion = new CIntField(type.getCIntegerField("_minor_version"), 0); |
coleenp@4037 | 95 | headerSize = Oop.alignObjectOffset(type.getSize()); |
duke@435 | 96 | |
duke@435 | 97 | // read field offset constants |
never@3137 | 98 | ACCESS_FLAGS_OFFSET = db.lookupIntConstant("FieldInfo::access_flags_offset").intValue(); |
never@3137 | 99 | NAME_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::name_index_offset").intValue(); |
never@3137 | 100 | SIGNATURE_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::signature_index_offset").intValue(); |
never@3137 | 101 | INITVAL_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::initval_index_offset").intValue(); |
jwilhelm@4430 | 102 | LOW_OFFSET = db.lookupIntConstant("FieldInfo::low_packed_offset").intValue(); |
jwilhelm@4430 | 103 | HIGH_OFFSET = db.lookupIntConstant("FieldInfo::high_packed_offset").intValue(); |
never@3137 | 104 | FIELD_SLOTS = db.lookupIntConstant("FieldInfo::field_slots").intValue(); |
jwilhelm@4430 | 105 | FIELDINFO_TAG_SIZE = db.lookupIntConstant("FIELDINFO_TAG_SIZE").shortValue(); |
sla@4462 | 106 | FIELDINFO_TAG_MASK = db.lookupIntConstant("FIELDINFO_TAG_MASK").shortValue(); |
jwilhelm@4430 | 107 | FIELDINFO_TAG_OFFSET = db.lookupIntConstant("FIELDINFO_TAG_OFFSET").shortValue(); |
jwilhelm@4430 | 108 | |
duke@435 | 109 | // read ClassState constants |
coleenp@4037 | 110 | CLASS_STATE_ALLOCATED = db.lookupIntConstant("InstanceKlass::allocated").intValue(); |
coleenp@4037 | 111 | CLASS_STATE_LOADED = db.lookupIntConstant("InstanceKlass::loaded").intValue(); |
coleenp@4037 | 112 | CLASS_STATE_LINKED = db.lookupIntConstant("InstanceKlass::linked").intValue(); |
coleenp@4037 | 113 | CLASS_STATE_BEING_INITIALIZED = db.lookupIntConstant("InstanceKlass::being_initialized").intValue(); |
coleenp@4037 | 114 | CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("InstanceKlass::fully_initialized").intValue(); |
coleenp@4037 | 115 | CLASS_STATE_INITIALIZATION_ERROR = db.lookupIntConstant("InstanceKlass::initialization_error").intValue(); |
duke@435 | 116 | |
duke@435 | 117 | } |
duke@435 | 118 | |
coleenp@4037 | 119 | public InstanceKlass(Address addr) { |
coleenp@4037 | 120 | super(addr); |
never@3158 | 121 | if (getJavaFieldsCount() != getAllFieldsCount()) { |
never@3158 | 122 | // Exercise the injected field logic |
never@3158 | 123 | for (int i = getJavaFieldsCount(); i < getAllFieldsCount(); i++) { |
never@3158 | 124 | getFieldName(i); |
never@3158 | 125 | getFieldSignature(i); |
never@3158 | 126 | } |
never@3158 | 127 | } |
duke@435 | 128 | } |
duke@435 | 129 | |
coleenp@4037 | 130 | private static MetadataField arrayKlasses; |
coleenp@4037 | 131 | private static AddressField methods; |
coleenp@4037 | 132 | private static AddressField methodOrdering; |
coleenp@4037 | 133 | private static AddressField localInterfaces; |
coleenp@4037 | 134 | private static AddressField transitiveInterfaces; |
coleenp@4037 | 135 | private static AddressField fields; |
never@3137 | 136 | private static CIntField javaFieldsCount; |
coleenp@4037 | 137 | private static MetadataField constants; |
coleenp@4037 | 138 | private static AddressField classLoaderData; |
duke@435 | 139 | private static OopField protectionDomain; |
duke@435 | 140 | private static OopField signers; |
coleenp@2497 | 141 | private static AddressField sourceFileName; |
coleenp@2497 | 142 | private static AddressField sourceDebugExtension; |
coleenp@4037 | 143 | private static AddressField innerClasses; |
duke@435 | 144 | private static CIntField nonstaticFieldSize; |
duke@435 | 145 | private static CIntField staticFieldSize; |
never@2658 | 146 | private static CIntField staticOopFieldCount; |
duke@435 | 147 | private static CIntField nonstaticOopMapSize; |
dcubed@3401 | 148 | private static CIntField isMarkedDependent; |
duke@435 | 149 | private static CIntField initState; |
duke@435 | 150 | private static CIntField vtableLen; |
duke@435 | 151 | private static CIntField itableLen; |
duke@435 | 152 | private static AddressField breakpoints; |
coleenp@2497 | 153 | private static AddressField genericSignature; |
duke@435 | 154 | private static CIntField majorVersion; |
duke@435 | 155 | private static CIntField minorVersion; |
duke@435 | 156 | |
duke@435 | 157 | // type safe enum for ClassState from instanceKlass.hpp |
duke@435 | 158 | public static class ClassState { |
duke@435 | 159 | public static final ClassState ALLOCATED = new ClassState("allocated"); |
duke@435 | 160 | public static final ClassState LOADED = new ClassState("loaded"); |
duke@435 | 161 | public static final ClassState LINKED = new ClassState("linked"); |
duke@435 | 162 | public static final ClassState BEING_INITIALIZED = new ClassState("beingInitialized"); |
duke@435 | 163 | public static final ClassState FULLY_INITIALIZED = new ClassState("fullyInitialized"); |
duke@435 | 164 | public static final ClassState INITIALIZATION_ERROR = new ClassState("initializationError"); |
duke@435 | 165 | |
duke@435 | 166 | private ClassState(String value) { |
duke@435 | 167 | this.value = value; |
duke@435 | 168 | } |
duke@435 | 169 | |
duke@435 | 170 | public String toString() { |
duke@435 | 171 | return value; |
duke@435 | 172 | } |
duke@435 | 173 | |
duke@435 | 174 | private String value; |
duke@435 | 175 | } |
duke@435 | 176 | |
never@3138 | 177 | public int getInitStateAsInt() { return (int) initState.getValue(this); } |
duke@435 | 178 | public ClassState getInitState() { |
duke@435 | 179 | int state = getInitStateAsInt(); |
coleenp@4037 | 180 | if (state == CLASS_STATE_ALLOCATED) { |
duke@435 | 181 | return ClassState.ALLOCATED; |
duke@435 | 182 | } else if (state == CLASS_STATE_LOADED) { |
duke@435 | 183 | return ClassState.LOADED; |
duke@435 | 184 | } else if (state == CLASS_STATE_LINKED) { |
duke@435 | 185 | return ClassState.LINKED; |
duke@435 | 186 | } else if (state == CLASS_STATE_BEING_INITIALIZED) { |
duke@435 | 187 | return ClassState.BEING_INITIALIZED; |
duke@435 | 188 | } else if (state == CLASS_STATE_FULLY_INITIALIZED) { |
duke@435 | 189 | return ClassState.FULLY_INITIALIZED; |
duke@435 | 190 | } else if (state == CLASS_STATE_INITIALIZATION_ERROR) { |
duke@435 | 191 | return ClassState.INITIALIZATION_ERROR; |
duke@435 | 192 | } else { |
duke@435 | 193 | throw new RuntimeException("should not reach here"); |
duke@435 | 194 | } |
duke@435 | 195 | } |
duke@435 | 196 | |
duke@435 | 197 | // initialization state quaries |
duke@435 | 198 | public boolean isLoaded() { |
duke@435 | 199 | return getInitStateAsInt() >= CLASS_STATE_LOADED; |
duke@435 | 200 | } |
duke@435 | 201 | |
duke@435 | 202 | public boolean isLinked() { |
duke@435 | 203 | return getInitStateAsInt() >= CLASS_STATE_LINKED; |
duke@435 | 204 | } |
duke@435 | 205 | |
duke@435 | 206 | public boolean isInitialized() { |
duke@435 | 207 | return getInitStateAsInt() == CLASS_STATE_FULLY_INITIALIZED; |
duke@435 | 208 | } |
duke@435 | 209 | |
duke@435 | 210 | public boolean isNotInitialized() { |
duke@435 | 211 | return getInitStateAsInt() < CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 212 | } |
duke@435 | 213 | |
duke@435 | 214 | public boolean isBeingInitialized() { |
duke@435 | 215 | return getInitStateAsInt() == CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 216 | } |
duke@435 | 217 | |
duke@435 | 218 | public boolean isInErrorState() { |
duke@435 | 219 | return getInitStateAsInt() == CLASS_STATE_INITIALIZATION_ERROR; |
duke@435 | 220 | } |
duke@435 | 221 | |
duke@435 | 222 | public int getClassStatus() { |
duke@435 | 223 | int result = 0; |
duke@435 | 224 | if (isLinked()) { |
duke@435 | 225 | result |= JVMDIClassStatus.VERIFIED | JVMDIClassStatus.PREPARED; |
duke@435 | 226 | } |
duke@435 | 227 | |
duke@435 | 228 | if (isInitialized()) { |
duke@435 | 229 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 230 | Assert.that(isLinked(), "Class status is not consistent"); |
duke@435 | 231 | } |
duke@435 | 232 | result |= JVMDIClassStatus.INITIALIZED; |
duke@435 | 233 | } |
duke@435 | 234 | |
duke@435 | 235 | if (isInErrorState()) { |
duke@435 | 236 | result |= JVMDIClassStatus.ERROR; |
duke@435 | 237 | } |
duke@435 | 238 | return result; |
duke@435 | 239 | } |
duke@435 | 240 | |
duke@435 | 241 | // Byteside of the header |
duke@435 | 242 | private static long headerSize; |
duke@435 | 243 | |
never@2693 | 244 | public long getObjectSize(Oop object) { |
never@2693 | 245 | return getSizeHelper() * VM.getVM().getAddressSize(); |
never@2693 | 246 | } |
never@2693 | 247 | |
coleenp@4037 | 248 | public long getSize() { |
coleenp@4037 | 249 | return Oop.alignObjectSize(getHeaderSize() + Oop.alignObjectOffset(getVtableLen()) + |
coleenp@4037 | 250 | Oop.alignObjectOffset(getItableLen()) + Oop.alignObjectOffset(getNonstaticOopMapSize())); |
coleenp@4037 | 251 | } |
coleenp@4037 | 252 | |
duke@435 | 253 | public static long getHeaderSize() { return headerSize; } |
duke@435 | 254 | |
never@3137 | 255 | public short getFieldAccessFlags(int index) { |
coleenp@4037 | 256 | return getFields().at(index * FIELD_SLOTS + ACCESS_FLAGS_OFFSET); |
never@3137 | 257 | } |
never@3137 | 258 | |
never@3158 | 259 | public short getFieldNameIndex(int index) { |
never@3158 | 260 | if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;"); |
coleenp@4037 | 261 | return getFields().at(index * FIELD_SLOTS + NAME_INDEX_OFFSET); |
never@3158 | 262 | } |
never@3158 | 263 | |
never@3137 | 264 | public Symbol getFieldName(int index) { |
coleenp@4037 | 265 | int nameIndex = getFields().at(index * FIELD_SLOTS + NAME_INDEX_OFFSET); |
never@3158 | 266 | if (index < getJavaFieldsCount()) { |
never@3158 | 267 | return getConstants().getSymbolAt(nameIndex); |
never@3158 | 268 | } else { |
never@3158 | 269 | return vmSymbols.symbolAt(nameIndex); |
never@3158 | 270 | } |
never@3158 | 271 | } |
never@3158 | 272 | |
never@3158 | 273 | public short getFieldSignatureIndex(int index) { |
never@3158 | 274 | if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;"); |
coleenp@4037 | 275 | return getFields().at(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET); |
never@3137 | 276 | } |
never@3137 | 277 | |
never@3137 | 278 | public Symbol getFieldSignature(int index) { |
coleenp@4037 | 279 | int signatureIndex = getFields().at(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET); |
never@3158 | 280 | if (index < getJavaFieldsCount()) { |
never@3158 | 281 | return getConstants().getSymbolAt(signatureIndex); |
never@3158 | 282 | } else { |
never@3158 | 283 | return vmSymbols.symbolAt(signatureIndex); |
never@3158 | 284 | } |
never@3158 | 285 | } |
never@3158 | 286 | |
never@3158 | 287 | public short getFieldGenericSignatureIndex(int index) { |
minqi@4267 | 288 | // int len = getFields().length(); |
jiangli@3803 | 289 | int allFieldsCount = getAllFieldsCount(); |
jiangli@3803 | 290 | int generic_signature_slot = allFieldsCount * FIELD_SLOTS; |
jiangli@3803 | 291 | for (int i = 0; i < allFieldsCount; i++) { |
jiangli@3803 | 292 | short flags = getFieldAccessFlags(i); |
jiangli@3803 | 293 | AccessFlags access = new AccessFlags(flags); |
jiangli@3803 | 294 | if (i == index) { |
jiangli@3803 | 295 | if (access.fieldHasGenericSignature()) { |
coleenp@4037 | 296 | return getFields().at(generic_signature_slot); |
jiangli@3803 | 297 | } else { |
jiangli@3803 | 298 | return 0; |
jiangli@3803 | 299 | } |
jiangli@3803 | 300 | } else { |
jiangli@3803 | 301 | if (access.fieldHasGenericSignature()) { |
jiangli@3803 | 302 | generic_signature_slot ++; |
jiangli@3803 | 303 | } |
jiangli@3803 | 304 | } |
jiangli@3803 | 305 | } |
jiangli@3803 | 306 | return 0; |
never@3137 | 307 | } |
never@3137 | 308 | |
never@3137 | 309 | public Symbol getFieldGenericSignature(int index) { |
never@3158 | 310 | short genericSignatureIndex = getFieldGenericSignatureIndex(index); |
never@3137 | 311 | if (genericSignatureIndex != 0) { |
never@3137 | 312 | return getConstants().getSymbolAt(genericSignatureIndex); |
never@3137 | 313 | } |
never@3137 | 314 | return null; |
never@3137 | 315 | } |
never@3137 | 316 | |
never@3158 | 317 | public short getFieldInitialValueIndex(int index) { |
never@3158 | 318 | if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;"); |
coleenp@4037 | 319 | return getFields().at(index * FIELD_SLOTS + INITVAL_INDEX_OFFSET); |
never@3158 | 320 | } |
never@3158 | 321 | |
never@3137 | 322 | public int getFieldOffset(int index) { |
coleenp@4037 | 323 | U2Array fields = getFields(); |
jwilhelm@4430 | 324 | short lo = fields.at(index * FIELD_SLOTS + LOW_OFFSET); |
jwilhelm@4430 | 325 | short hi = fields.at(index * FIELD_SLOTS + HIGH_OFFSET); |
sla@4462 | 326 | if ((lo & FIELDINFO_TAG_MASK) == FIELDINFO_TAG_OFFSET) { |
jwilhelm@4430 | 327 | return VM.getVM().buildIntFromShorts(lo, hi) >> FIELDINFO_TAG_SIZE; |
jwilhelm@4430 | 328 | } |
jwilhelm@4430 | 329 | throw new RuntimeException("should not reach here"); |
never@3137 | 330 | } |
never@3137 | 331 | |
duke@435 | 332 | // Accessors for declared fields |
duke@435 | 333 | public Klass getArrayKlasses() { return (Klass) arrayKlasses.getValue(this); } |
coleenp@4037 | 334 | public MethodArray getMethods() { return new MethodArray(methods.getValue(getAddress())); } |
coleenp@4037 | 335 | public KlassArray getLocalInterfaces() { return new KlassArray(localInterfaces.getValue(getAddress())); } |
coleenp@4037 | 336 | public KlassArray getTransitiveInterfaces() { return new KlassArray(transitiveInterfaces.getValue(getAddress())); } |
never@3137 | 337 | public int getJavaFieldsCount() { return (int) javaFieldsCount.getValue(this); } |
jiangli@3803 | 338 | public int getAllFieldsCount() { |
minqi@4267 | 339 | int len = getFields().length(); |
jiangli@3803 | 340 | int allFieldsCount = 0; |
jiangli@3803 | 341 | for (; allFieldsCount*FIELD_SLOTS < len; allFieldsCount++) { |
jiangli@3803 | 342 | short flags = getFieldAccessFlags(allFieldsCount); |
jiangli@3803 | 343 | AccessFlags access = new AccessFlags(flags); |
jiangli@3803 | 344 | if (access.fieldHasGenericSignature()) { |
jiangli@3803 | 345 | len --; |
jiangli@3803 | 346 | } |
jiangli@3803 | 347 | } |
jiangli@3803 | 348 | return allFieldsCount; |
jiangli@3803 | 349 | } |
duke@435 | 350 | public ConstantPool getConstants() { return (ConstantPool) constants.getValue(this); } |
coleenp@4037 | 351 | public ClassLoaderData getClassLoaderData() { return ClassLoaderData.instantiateWrapperFor(classLoaderData.getValue(getAddress())); } |
coleenp@4037 | 352 | public Oop getClassLoader() { return getClassLoaderData().getClassLoader(); } |
duke@435 | 353 | public Oop getProtectionDomain() { return protectionDomain.getValue(this); } |
duke@435 | 354 | public ObjArray getSigners() { return (ObjArray) signers.getValue(this); } |
coleenp@2497 | 355 | public Symbol getSourceFileName() { return getSymbol(sourceFileName); } |
coleenp@4037 | 356 | public String getSourceDebugExtension(){ return CStringUtilities.getString(sourceDebugExtension.getValue(getAddress())); } |
duke@435 | 357 | public long getNonstaticFieldSize() { return nonstaticFieldSize.getValue(this); } |
never@2658 | 358 | public long getStaticOopFieldCount() { return staticOopFieldCount.getValue(this); } |
duke@435 | 359 | public long getNonstaticOopMapSize() { return nonstaticOopMapSize.getValue(this); } |
dcubed@3401 | 360 | public boolean getIsMarkedDependent() { return isMarkedDependent.getValue(this) != 0; } |
duke@435 | 361 | public long getVtableLen() { return vtableLen.getValue(this); } |
duke@435 | 362 | public long getItableLen() { return itableLen.getValue(this); } |
coleenp@2497 | 363 | public Symbol getGenericSignature() { return getSymbol(genericSignature); } |
duke@435 | 364 | public long majorVersion() { return majorVersion.getValue(this); } |
duke@435 | 365 | public long minorVersion() { return minorVersion.getValue(this); } |
duke@435 | 366 | |
duke@435 | 367 | // "size helper" == instance size in words |
duke@435 | 368 | public long getSizeHelper() { |
duke@435 | 369 | int lh = getLayoutHelper(); |
duke@435 | 370 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 371 | Assert.that(lh > 0, "layout helper initialized for instance class"); |
duke@435 | 372 | } |
duke@435 | 373 | return lh / VM.getVM().getAddressSize(); |
duke@435 | 374 | } |
duke@435 | 375 | |
duke@435 | 376 | // same as enum InnerClassAttributeOffset in VM code. |
duke@435 | 377 | public static interface InnerClassAttributeOffset { |
duke@435 | 378 | // from JVM spec. "InnerClasses" attribute |
duke@435 | 379 | public static final int innerClassInnerClassInfoOffset = 0; |
duke@435 | 380 | public static final int innerClassOuterClassInfoOffset = 1; |
duke@435 | 381 | public static final int innerClassInnerNameOffset = 2; |
duke@435 | 382 | public static final int innerClassAccessFlagsOffset = 3; |
duke@435 | 383 | public static final int innerClassNextOffset = 4; |
duke@435 | 384 | }; |
duke@435 | 385 | |
jiangli@3670 | 386 | public static interface EnclosingMethodAttributeOffset { |
jiangli@3670 | 387 | public static final int enclosing_method_class_index_offset = 0; |
jiangli@3670 | 388 | public static final int enclosing_method_method_index_offset = 1; |
jiangli@3670 | 389 | public static final int enclosing_method_attribute_size = 2; |
jiangli@3670 | 390 | }; |
jiangli@3670 | 391 | |
duke@435 | 392 | // refer to compute_modifier_flags in VM code. |
duke@435 | 393 | public long computeModifierFlags() { |
duke@435 | 394 | long access = getAccessFlags(); |
duke@435 | 395 | // But check if it happens to be member class. |
coleenp@4037 | 396 | U2Array innerClassList = getInnerClasses(); |
coleenp@4037 | 397 | int length = (innerClassList == null)? 0 : (int) innerClassList.length(); |
duke@435 | 398 | if (length > 0) { |
duke@435 | 399 | if (Assert.ASSERTS_ENABLED) { |
jiangli@3670 | 400 | Assert.that(length % InnerClassAttributeOffset.innerClassNextOffset == 0 || |
jiangli@3670 | 401 | length % InnerClassAttributeOffset.innerClassNextOffset == EnclosingMethodAttributeOffset.enclosing_method_attribute_size, |
jiangli@3670 | 402 | "just checking"); |
duke@435 | 403 | } |
duke@435 | 404 | for (int i = 0; i < length; i += InnerClassAttributeOffset.innerClassNextOffset) { |
jiangli@3670 | 405 | if (i == length - EnclosingMethodAttributeOffset.enclosing_method_attribute_size) { |
jiangli@3670 | 406 | break; |
jiangli@3670 | 407 | } |
coleenp@4037 | 408 | int ioff = innerClassList.at(i + |
duke@435 | 409 | InnerClassAttributeOffset.innerClassInnerClassInfoOffset); |
duke@435 | 410 | // 'ioff' can be zero. |
duke@435 | 411 | // refer to JVM spec. section 4.7.5. |
duke@435 | 412 | if (ioff != 0) { |
duke@435 | 413 | // only look at classes that are already loaded |
duke@435 | 414 | // since we are looking for the flags for our self. |
coleenp@2497 | 415 | ConstantPool.CPSlot classInfo = getConstants().getSlotAt(ioff); |
duke@435 | 416 | Symbol name = null; |
coleenp@4037 | 417 | if (classInfo.isResolved()) { |
coleenp@4037 | 418 | name = classInfo.getKlass().getName(); |
coleenp@4037 | 419 | } else if (classInfo.isUnresolved()) { |
coleenp@2497 | 420 | name = classInfo.getSymbol(); |
duke@435 | 421 | } else { |
duke@435 | 422 | throw new RuntimeException("should not reach here"); |
duke@435 | 423 | } |
duke@435 | 424 | |
duke@435 | 425 | if (name.equals(getName())) { |
duke@435 | 426 | // This is really a member class |
coleenp@4037 | 427 | access = innerClassList.at(i + |
duke@435 | 428 | InnerClassAttributeOffset.innerClassAccessFlagsOffset); |
duke@435 | 429 | break; |
duke@435 | 430 | } |
duke@435 | 431 | } |
duke@435 | 432 | } // for inner classes |
duke@435 | 433 | } |
duke@435 | 434 | |
duke@435 | 435 | // Remember to strip ACC_SUPER bit |
duke@435 | 436 | return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS; |
duke@435 | 437 | } |
duke@435 | 438 | |
duke@435 | 439 | |
duke@435 | 440 | // whether given Symbol is name of an inner/nested Klass of this Klass? |
duke@435 | 441 | // anonymous and local classes are excluded. |
duke@435 | 442 | public boolean isInnerClassName(Symbol sym) { |
duke@435 | 443 | return isInInnerClasses(sym, false); |
duke@435 | 444 | } |
duke@435 | 445 | |
duke@435 | 446 | // whether given Symbol is name of an inner/nested Klass of this Klass? |
duke@435 | 447 | // anonymous classes excluded, but local classes are included. |
duke@435 | 448 | public boolean isInnerOrLocalClassName(Symbol sym) { |
duke@435 | 449 | return isInInnerClasses(sym, true); |
duke@435 | 450 | } |
duke@435 | 451 | |
duke@435 | 452 | private boolean isInInnerClasses(Symbol sym, boolean includeLocals) { |
coleenp@4037 | 453 | U2Array innerClassList = getInnerClasses(); |
coleenp@4037 | 454 | int length = ( innerClassList == null)? 0 : (int) innerClassList.length(); |
duke@435 | 455 | if (length > 0) { |
duke@435 | 456 | if (Assert.ASSERTS_ENABLED) { |
jiangli@3670 | 457 | Assert.that(length % InnerClassAttributeOffset.innerClassNextOffset == 0 || |
jiangli@3670 | 458 | length % InnerClassAttributeOffset.innerClassNextOffset == EnclosingMethodAttributeOffset.enclosing_method_attribute_size, |
jiangli@3670 | 459 | "just checking"); |
duke@435 | 460 | } |
duke@435 | 461 | for (int i = 0; i < length; i += InnerClassAttributeOffset.innerClassNextOffset) { |
jiangli@3670 | 462 | if (i == length - EnclosingMethodAttributeOffset.enclosing_method_attribute_size) { |
jiangli@3670 | 463 | break; |
jiangli@3670 | 464 | } |
coleenp@4037 | 465 | int ioff = innerClassList.at(i + |
duke@435 | 466 | InnerClassAttributeOffset.innerClassInnerClassInfoOffset); |
duke@435 | 467 | // 'ioff' can be zero. |
duke@435 | 468 | // refer to JVM spec. section 4.7.5. |
duke@435 | 469 | if (ioff != 0) { |
coleenp@2497 | 470 | ConstantPool.CPSlot iclassInfo = getConstants().getSlotAt(ioff); |
coleenp@4037 | 471 | Symbol innerName = getConstants().getKlassNameAt(ioff); |
duke@435 | 472 | Symbol myname = getName(); |
coleenp@4037 | 473 | int ooff = innerClassList.at(i + |
duke@435 | 474 | InnerClassAttributeOffset.innerClassOuterClassInfoOffset); |
duke@435 | 475 | // for anonymous classes inner_name_index of InnerClasses |
duke@435 | 476 | // attribute is zero. |
coleenp@4037 | 477 | int innerNameIndex = innerClassList.at(i + |
duke@435 | 478 | InnerClassAttributeOffset.innerClassInnerNameOffset); |
duke@435 | 479 | // if this is not a member (anonymous, local etc.), 'ooff' will be zero |
duke@435 | 480 | // refer to JVM spec. section 4.7.5. |
duke@435 | 481 | if (ooff == 0) { |
duke@435 | 482 | if (includeLocals) { |
duke@435 | 483 | // does it looks like my local class? |
duke@435 | 484 | if (innerName.equals(sym) && |
duke@435 | 485 | innerName.asString().startsWith(myname.asString())) { |
duke@435 | 486 | // exclude anonymous classes. |
duke@435 | 487 | return (innerNameIndex != 0); |
duke@435 | 488 | } |
duke@435 | 489 | } |
duke@435 | 490 | } else { |
coleenp@2497 | 491 | ConstantPool.CPSlot oclassInfo = getConstants().getSlotAt(ooff); |
duke@435 | 492 | Symbol outerName = null; |
coleenp@4037 | 493 | if (oclassInfo.isResolved()) { |
coleenp@4037 | 494 | outerName = oclassInfo.getKlass().getName(); |
coleenp@4037 | 495 | } else if (oclassInfo.isUnresolved()) { |
coleenp@2497 | 496 | outerName = oclassInfo.getSymbol(); |
duke@435 | 497 | } else { |
duke@435 | 498 | throw new RuntimeException("should not reach here"); |
duke@435 | 499 | } |
duke@435 | 500 | |
duke@435 | 501 | // include only if current class is outer class. |
duke@435 | 502 | if (outerName.equals(myname) && innerName.equals(sym)) { |
duke@435 | 503 | return true; |
duke@435 | 504 | } |
duke@435 | 505 | } |
duke@435 | 506 | } |
duke@435 | 507 | } // for inner classes |
duke@435 | 508 | return false; |
duke@435 | 509 | } else { |
duke@435 | 510 | return false; |
duke@435 | 511 | } |
duke@435 | 512 | } |
duke@435 | 513 | |
duke@435 | 514 | public boolean implementsInterface(Klass k) { |
duke@435 | 515 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 516 | Assert.that(k.isInterface(), "should not reach here"); |
duke@435 | 517 | } |
coleenp@4037 | 518 | KlassArray interfaces = getTransitiveInterfaces(); |
coleenp@4037 | 519 | final int len = interfaces.length(); |
duke@435 | 520 | for (int i = 0; i < len; i++) { |
coleenp@4037 | 521 | if (interfaces.getAt(i).equals(k)) return true; |
duke@435 | 522 | } |
duke@435 | 523 | return false; |
duke@435 | 524 | } |
duke@435 | 525 | |
duke@435 | 526 | boolean computeSubtypeOf(Klass k) { |
duke@435 | 527 | if (k.isInterface()) { |
duke@435 | 528 | return implementsInterface(k); |
duke@435 | 529 | } else { |
duke@435 | 530 | return super.computeSubtypeOf(k); |
duke@435 | 531 | } |
duke@435 | 532 | } |
duke@435 | 533 | |
duke@435 | 534 | public void printValueOn(PrintStream tty) { |
duke@435 | 535 | tty.print("InstanceKlass for " + getName().asString()); |
duke@435 | 536 | } |
duke@435 | 537 | |
coleenp@4037 | 538 | public void iterateFields(MetadataVisitor visitor) { |
coleenp@4037 | 539 | super.iterateFields(visitor); |
coleenp@4037 | 540 | visitor.doMetadata(arrayKlasses, true); |
coleenp@4037 | 541 | // visitor.doOop(methods, true); |
coleenp@4037 | 542 | // visitor.doOop(localInterfaces, true); |
coleenp@4037 | 543 | // visitor.doOop(transitiveInterfaces, true); |
duke@435 | 544 | visitor.doOop(protectionDomain, true); |
duke@435 | 545 | visitor.doOop(signers, true); |
duke@435 | 546 | visitor.doCInt(nonstaticFieldSize, true); |
duke@435 | 547 | visitor.doCInt(staticFieldSize, true); |
never@2658 | 548 | visitor.doCInt(staticOopFieldCount, true); |
duke@435 | 549 | visitor.doCInt(nonstaticOopMapSize, true); |
dcubed@3401 | 550 | visitor.doCInt(isMarkedDependent, true); |
duke@435 | 551 | visitor.doCInt(initState, true); |
duke@435 | 552 | visitor.doCInt(vtableLen, true); |
duke@435 | 553 | visitor.doCInt(itableLen, true); |
duke@435 | 554 | } |
duke@435 | 555 | |
never@2693 | 556 | /* |
never@2693 | 557 | * Visit the static fields of this InstanceKlass with the obj of |
never@2693 | 558 | * the visitor set to the oop holding the fields, which is |
never@2693 | 559 | * currently the java mirror. |
never@2693 | 560 | */ |
never@2693 | 561 | public void iterateStaticFields(OopVisitor visitor) { |
never@2693 | 562 | visitor.setObj(getJavaMirror()); |
never@2693 | 563 | visitor.prologue(); |
never@2693 | 564 | iterateStaticFieldsInternal(visitor); |
never@2693 | 565 | visitor.epilogue(); |
never@2693 | 566 | |
never@2693 | 567 | } |
never@2693 | 568 | |
never@2693 | 569 | void iterateStaticFieldsInternal(OopVisitor visitor) { |
never@3137 | 570 | int length = getJavaFieldsCount(); |
never@3143 | 571 | for (int index = 0; index < length; index++) { |
never@3143 | 572 | short accessFlags = getFieldAccessFlags(index); |
never@3143 | 573 | FieldType type = new FieldType(getFieldSignature(index)); |
duke@435 | 574 | AccessFlags access = new AccessFlags(accessFlags); |
duke@435 | 575 | if (access.isStatic()) { |
duke@435 | 576 | visitField(visitor, type, index); |
duke@435 | 577 | } |
duke@435 | 578 | } |
duke@435 | 579 | } |
duke@435 | 580 | |
duke@435 | 581 | public Klass getJavaSuper() { |
duke@435 | 582 | return getSuper(); |
duke@435 | 583 | } |
duke@435 | 584 | |
never@3138 | 585 | public static class StaticField { |
never@3138 | 586 | public AccessFlags flags; |
never@3138 | 587 | public Field field; |
never@3138 | 588 | |
never@3138 | 589 | StaticField(Field field, AccessFlags flags) { |
never@3138 | 590 | this.field = field; |
never@3138 | 591 | this.flags = flags; |
never@3138 | 592 | } |
never@3138 | 593 | } |
never@3138 | 594 | |
minqi@4267 | 595 | public Field[] getStaticFields() { |
minqi@4267 | 596 | U2Array fields = getFields(); |
minqi@4267 | 597 | int length = getJavaFieldsCount(); |
minqi@4267 | 598 | ArrayList result = new ArrayList(); |
minqi@4267 | 599 | for (int index = 0; index < length; index++) { |
minqi@4267 | 600 | Field f = newField(index); |
minqi@4267 | 601 | if (f.isStatic()) { |
minqi@4267 | 602 | result.add(f); |
minqi@4267 | 603 | } |
minqi@4267 | 604 | } |
minqi@4267 | 605 | return (Field[])result.toArray(new Field[result.size()]); |
minqi@4267 | 606 | } |
minqi@4267 | 607 | |
never@2693 | 608 | public void iterateNonStaticFields(OopVisitor visitor, Oop obj) { |
duke@435 | 609 | if (getSuper() != null) { |
never@2693 | 610 | ((InstanceKlass) getSuper()).iterateNonStaticFields(visitor, obj); |
duke@435 | 611 | } |
never@3137 | 612 | int length = getJavaFieldsCount(); |
never@3143 | 613 | for (int index = 0; index < length; index++) { |
never@3143 | 614 | short accessFlags = getFieldAccessFlags(index); |
never@3143 | 615 | FieldType type = new FieldType(getFieldSignature(index)); |
duke@435 | 616 | AccessFlags access = new AccessFlags(accessFlags); |
duke@435 | 617 | if (!access.isStatic()) { |
duke@435 | 618 | visitField(visitor, type, index); |
duke@435 | 619 | } |
duke@435 | 620 | } |
duke@435 | 621 | } |
duke@435 | 622 | |
duke@435 | 623 | /** Field access by name. */ |
duke@435 | 624 | public Field findLocalField(Symbol name, Symbol sig) { |
never@3158 | 625 | int length = getJavaFieldsCount(); |
never@3143 | 626 | for (int i = 0; i < length; i++) { |
never@3143 | 627 | Symbol f_name = getFieldName(i); |
never@3143 | 628 | Symbol f_sig = getFieldSignature(i); |
duke@435 | 629 | if (name.equals(f_name) && sig.equals(f_sig)) { |
duke@435 | 630 | return newField(i); |
duke@435 | 631 | } |
duke@435 | 632 | } |
duke@435 | 633 | |
duke@435 | 634 | return null; |
duke@435 | 635 | } |
duke@435 | 636 | |
duke@435 | 637 | /** Find field in direct superinterfaces. */ |
duke@435 | 638 | public Field findInterfaceField(Symbol name, Symbol sig) { |
coleenp@4037 | 639 | KlassArray interfaces = getLocalInterfaces(); |
coleenp@4037 | 640 | int n = interfaces.length(); |
duke@435 | 641 | for (int i = 0; i < n; i++) { |
coleenp@4037 | 642 | InstanceKlass intf1 = (InstanceKlass) interfaces.getAt(i); |
duke@435 | 643 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 644 | Assert.that(intf1.isInterface(), "just checking type"); |
duke@435 | 645 | } |
duke@435 | 646 | // search for field in current interface |
duke@435 | 647 | Field f = intf1.findLocalField(name, sig); |
duke@435 | 648 | if (f != null) { |
duke@435 | 649 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 650 | Assert.that(f.getAccessFlagsObj().isStatic(), "interface field must be static"); |
duke@435 | 651 | } |
duke@435 | 652 | return f; |
duke@435 | 653 | } |
duke@435 | 654 | // search for field in direct superinterfaces |
duke@435 | 655 | f = intf1.findInterfaceField(name, sig); |
duke@435 | 656 | if (f != null) return f; |
duke@435 | 657 | } |
duke@435 | 658 | // otherwise field lookup fails |
duke@435 | 659 | return null; |
duke@435 | 660 | } |
duke@435 | 661 | |
duke@435 | 662 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 663 | which the field is defined. */ |
duke@435 | 664 | public Field findField(Symbol name, Symbol sig) { |
duke@435 | 665 | // search order according to newest JVM spec (5.4.3.2, p.167). |
duke@435 | 666 | // 1) search for field in current klass |
duke@435 | 667 | Field f = findLocalField(name, sig); |
duke@435 | 668 | if (f != null) return f; |
duke@435 | 669 | |
duke@435 | 670 | // 2) search for field recursively in direct superinterfaces |
duke@435 | 671 | f = findInterfaceField(name, sig); |
duke@435 | 672 | if (f != null) return f; |
duke@435 | 673 | |
duke@435 | 674 | // 3) apply field lookup recursively if superclass exists |
duke@435 | 675 | InstanceKlass supr = (InstanceKlass) getSuper(); |
duke@435 | 676 | if (supr != null) return supr.findField(name, sig); |
duke@435 | 677 | |
duke@435 | 678 | // 4) otherwise field lookup fails |
duke@435 | 679 | return null; |
duke@435 | 680 | } |
duke@435 | 681 | |
duke@435 | 682 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 683 | which the field is defined (convenience routine) */ |
duke@435 | 684 | public Field findField(String name, String sig) { |
duke@435 | 685 | SymbolTable symbols = VM.getVM().getSymbolTable(); |
duke@435 | 686 | Symbol nameSym = symbols.probe(name); |
duke@435 | 687 | Symbol sigSym = symbols.probe(sig); |
duke@435 | 688 | if (nameSym == null || sigSym == null) { |
duke@435 | 689 | return null; |
duke@435 | 690 | } |
duke@435 | 691 | return findField(nameSym, sigSym); |
duke@435 | 692 | } |
duke@435 | 693 | |
duke@435 | 694 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 695 | which the field is defined (retained only for backward |
duke@435 | 696 | compatibility with jdbx) */ |
duke@435 | 697 | public Field findFieldDbg(String name, String sig) { |
duke@435 | 698 | return findField(name, sig); |
duke@435 | 699 | } |
duke@435 | 700 | |
duke@435 | 701 | /** Get field by its index in the fields array. Only designed for |
duke@435 | 702 | use in a debugging system. */ |
never@3143 | 703 | public Field getFieldByIndex(int fieldIndex) { |
never@3143 | 704 | return newField(fieldIndex); |
duke@435 | 705 | } |
duke@435 | 706 | |
duke@435 | 707 | |
duke@435 | 708 | /** Return a List of SA Fields for the fields declared in this class. |
duke@435 | 709 | Inherited fields are not included. |
duke@435 | 710 | Return an empty list if there are no fields declared in this class. |
duke@435 | 711 | Only designed for use in a debugging system. */ |
duke@435 | 712 | public List getImmediateFields() { |
duke@435 | 713 | // A list of Fields for each field declared in this class/interface, |
duke@435 | 714 | // not including inherited fields. |
never@3137 | 715 | int length = getJavaFieldsCount(); |
never@3137 | 716 | List immediateFields = new ArrayList(length); |
never@3143 | 717 | for (int index = 0; index < length; index++) { |
duke@435 | 718 | immediateFields.add(getFieldByIndex(index)); |
duke@435 | 719 | } |
duke@435 | 720 | |
duke@435 | 721 | return immediateFields; |
duke@435 | 722 | } |
duke@435 | 723 | |
duke@435 | 724 | /** Return a List of SA Fields for all the java fields in this class, |
duke@435 | 725 | including all inherited fields. This includes hidden |
duke@435 | 726 | fields. Thus the returned list can contain fields with |
duke@435 | 727 | the same name. |
duke@435 | 728 | Return an empty list if there are no fields. |
duke@435 | 729 | Only designed for use in a debugging system. */ |
duke@435 | 730 | public List getAllFields() { |
duke@435 | 731 | // Contains a Field for each field in this class, including immediate |
duke@435 | 732 | // fields and inherited fields. |
duke@435 | 733 | List allFields = getImmediateFields(); |
duke@435 | 734 | |
duke@435 | 735 | // transitiveInterfaces contains all interfaces implemented |
duke@435 | 736 | // by this class and its superclass chain with no duplicates. |
duke@435 | 737 | |
coleenp@4037 | 738 | KlassArray interfaces = getTransitiveInterfaces(); |
coleenp@4037 | 739 | int n = interfaces.length(); |
duke@435 | 740 | for (int i = 0; i < n; i++) { |
coleenp@4037 | 741 | InstanceKlass intf1 = (InstanceKlass) interfaces.getAt(i); |
duke@435 | 742 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 743 | Assert.that(intf1.isInterface(), "just checking type"); |
duke@435 | 744 | } |
duke@435 | 745 | allFields.addAll(intf1.getImmediateFields()); |
duke@435 | 746 | } |
duke@435 | 747 | |
duke@435 | 748 | // Get all fields in the superclass, recursively. But, don't |
duke@435 | 749 | // include fields in interfaces implemented by superclasses; |
duke@435 | 750 | // we already have all those. |
duke@435 | 751 | if (!isInterface()) { |
duke@435 | 752 | InstanceKlass supr; |
duke@435 | 753 | if ( (supr = (InstanceKlass) getSuper()) != null) { |
duke@435 | 754 | allFields.addAll(supr.getImmediateFields()); |
duke@435 | 755 | } |
duke@435 | 756 | } |
duke@435 | 757 | |
duke@435 | 758 | return allFields; |
duke@435 | 759 | } |
duke@435 | 760 | |
duke@435 | 761 | |
duke@435 | 762 | /** Return a List of SA Methods declared directly in this class/interface. |
duke@435 | 763 | Return an empty list if there are none, or if this isn't a class/ |
duke@435 | 764 | interface. |
duke@435 | 765 | */ |
duke@435 | 766 | public List getImmediateMethods() { |
duke@435 | 767 | // Contains a Method for each method declared in this class/interface |
duke@435 | 768 | // not including inherited methods. |
duke@435 | 769 | |
coleenp@4037 | 770 | MethodArray methods = getMethods(); |
coleenp@4037 | 771 | int length = methods.length(); |
duke@435 | 772 | Object[] tmp = new Object[length]; |
duke@435 | 773 | |
coleenp@4037 | 774 | IntArray methodOrdering = getMethodOrdering(); |
coleenp@4037 | 775 | if (methodOrdering.length() != length) { |
duke@435 | 776 | // no ordering info present |
duke@435 | 777 | for (int index = 0; index < length; index++) { |
coleenp@4037 | 778 | tmp[index] = methods.at(index); |
duke@435 | 779 | } |
duke@435 | 780 | } else { |
duke@435 | 781 | for (int index = 0; index < length; index++) { |
coleenp@4037 | 782 | int originalIndex = methodOrdering.at(index); |
coleenp@4037 | 783 | tmp[originalIndex] = methods.at(index); |
duke@435 | 784 | } |
duke@435 | 785 | } |
duke@435 | 786 | |
duke@435 | 787 | return Arrays.asList(tmp); |
duke@435 | 788 | } |
duke@435 | 789 | |
duke@435 | 790 | /** Return a List containing an SA InstanceKlass for each |
duke@435 | 791 | interface named in this class's 'implements' clause. |
duke@435 | 792 | */ |
duke@435 | 793 | public List getDirectImplementedInterfaces() { |
duke@435 | 794 | // Contains an InstanceKlass for each interface in this classes |
duke@435 | 795 | // 'implements' clause. |
duke@435 | 796 | |
coleenp@4037 | 797 | KlassArray interfaces = getLocalInterfaces(); |
coleenp@4037 | 798 | int length = interfaces.length(); |
duke@435 | 799 | List directImplementedInterfaces = new ArrayList(length); |
duke@435 | 800 | |
duke@435 | 801 | for (int index = 0; index < length; index ++) { |
coleenp@4037 | 802 | directImplementedInterfaces.add(interfaces.getAt(index)); |
duke@435 | 803 | } |
duke@435 | 804 | |
duke@435 | 805 | return directImplementedInterfaces; |
duke@435 | 806 | } |
duke@435 | 807 | |
duke@435 | 808 | public Klass arrayKlassImpl(boolean orNull, int n) { |
duke@435 | 809 | // FIXME: in reflective system this would need to change to |
duke@435 | 810 | // actually allocate |
duke@435 | 811 | if (getArrayKlasses() == null) { return null; } |
duke@435 | 812 | ObjArrayKlass oak = (ObjArrayKlass) getArrayKlasses(); |
duke@435 | 813 | if (orNull) { |
duke@435 | 814 | return oak.arrayKlassOrNull(n); |
duke@435 | 815 | } |
duke@435 | 816 | return oak.arrayKlass(n); |
duke@435 | 817 | } |
duke@435 | 818 | |
duke@435 | 819 | public Klass arrayKlassImpl(boolean orNull) { |
duke@435 | 820 | return arrayKlassImpl(orNull, 1); |
duke@435 | 821 | } |
duke@435 | 822 | |
duke@435 | 823 | public String signature() { |
duke@435 | 824 | return "L" + super.signature() + ";"; |
duke@435 | 825 | } |
duke@435 | 826 | |
duke@435 | 827 | /** Convenience routine taking Strings; lookup is done in |
duke@435 | 828 | SymbolTable. */ |
duke@435 | 829 | public Method findMethod(String name, String sig) { |
duke@435 | 830 | SymbolTable syms = VM.getVM().getSymbolTable(); |
duke@435 | 831 | Symbol nameSym = syms.probe(name); |
duke@435 | 832 | Symbol sigSym = syms.probe(sig); |
duke@435 | 833 | if (nameSym == null || sigSym == null) { |
duke@435 | 834 | return null; |
duke@435 | 835 | } |
duke@435 | 836 | return findMethod(nameSym, sigSym); |
duke@435 | 837 | } |
duke@435 | 838 | |
duke@435 | 839 | /** Find method in vtable. */ |
duke@435 | 840 | public Method findMethod(Symbol name, Symbol sig) { |
duke@435 | 841 | return findMethod(getMethods(), name, sig); |
duke@435 | 842 | } |
duke@435 | 843 | |
coleenp@4037 | 844 | /** Breakpoint support (see methods on Method* for details) */ |
duke@435 | 845 | public BreakpointInfo getBreakpoints() { |
coleenp@4037 | 846 | Address addr = getAddress().getAddressAt(breakpoints.getOffset()); |
duke@435 | 847 | return (BreakpointInfo) VMObjectFactory.newObject(BreakpointInfo.class, addr); |
duke@435 | 848 | } |
duke@435 | 849 | |
coleenp@4037 | 850 | public IntArray getMethodOrdering() { |
coleenp@4037 | 851 | Address addr = getAddress().getAddressAt(methodOrdering.getOffset()); |
coleenp@4037 | 852 | return (IntArray) VMObjectFactory.newObject(IntArray.class, addr); |
coleenp@4037 | 853 | } |
coleenp@4037 | 854 | |
coleenp@4037 | 855 | public U2Array getFields() { |
coleenp@4037 | 856 | Address addr = getAddress().getAddressAt(fields.getOffset()); |
coleenp@4037 | 857 | return (U2Array) VMObjectFactory.newObject(U2Array.class, addr); |
coleenp@4037 | 858 | } |
coleenp@4037 | 859 | |
coleenp@4037 | 860 | public U2Array getInnerClasses() { |
coleenp@4037 | 861 | Address addr = getAddress().getAddressAt(innerClasses.getOffset()); |
coleenp@4037 | 862 | return (U2Array) VMObjectFactory.newObject(U2Array.class, addr); |
coleenp@4037 | 863 | } |
coleenp@4037 | 864 | |
coleenp@4037 | 865 | |
duke@435 | 866 | //---------------------------------------------------------------------- |
duke@435 | 867 | // Internals only below this point |
duke@435 | 868 | // |
duke@435 | 869 | |
duke@435 | 870 | private void visitField(OopVisitor visitor, FieldType type, int index) { |
duke@435 | 871 | Field f = newField(index); |
duke@435 | 872 | if (type.isOop()) { |
duke@435 | 873 | visitor.doOop((OopField) f, false); |
duke@435 | 874 | return; |
duke@435 | 875 | } |
duke@435 | 876 | if (type.isByte()) { |
duke@435 | 877 | visitor.doByte((ByteField) f, false); |
duke@435 | 878 | return; |
duke@435 | 879 | } |
duke@435 | 880 | if (type.isChar()) { |
duke@435 | 881 | visitor.doChar((CharField) f, false); |
duke@435 | 882 | return; |
duke@435 | 883 | } |
duke@435 | 884 | if (type.isDouble()) { |
duke@435 | 885 | visitor.doDouble((DoubleField) f, false); |
duke@435 | 886 | return; |
duke@435 | 887 | } |
duke@435 | 888 | if (type.isFloat()) { |
duke@435 | 889 | visitor.doFloat((FloatField) f, false); |
duke@435 | 890 | return; |
duke@435 | 891 | } |
duke@435 | 892 | if (type.isInt()) { |
duke@435 | 893 | visitor.doInt((IntField) f, false); |
duke@435 | 894 | return; |
duke@435 | 895 | } |
duke@435 | 896 | if (type.isLong()) { |
duke@435 | 897 | visitor.doLong((LongField) f, false); |
duke@435 | 898 | return; |
duke@435 | 899 | } |
duke@435 | 900 | if (type.isShort()) { |
duke@435 | 901 | visitor.doShort((ShortField) f, false); |
duke@435 | 902 | return; |
duke@435 | 903 | } |
duke@435 | 904 | if (type.isBoolean()) { |
duke@435 | 905 | visitor.doBoolean((BooleanField) f, false); |
duke@435 | 906 | return; |
duke@435 | 907 | } |
duke@435 | 908 | } |
duke@435 | 909 | |
duke@435 | 910 | // Creates new field from index in fields TypeArray |
duke@435 | 911 | private Field newField(int index) { |
never@3143 | 912 | FieldType type = new FieldType(getFieldSignature(index)); |
duke@435 | 913 | if (type.isOop()) { |
coleenp@548 | 914 | if (VM.getVM().isCompressedOopsEnabled()) { |
coleenp@548 | 915 | return new NarrowOopField(this, index); |
coleenp@548 | 916 | } else { |
coleenp@548 | 917 | return new OopField(this, index); |
coleenp@548 | 918 | } |
duke@435 | 919 | } |
duke@435 | 920 | if (type.isByte()) { |
duke@435 | 921 | return new ByteField(this, index); |
duke@435 | 922 | } |
duke@435 | 923 | if (type.isChar()) { |
duke@435 | 924 | return new CharField(this, index); |
duke@435 | 925 | } |
duke@435 | 926 | if (type.isDouble()) { |
duke@435 | 927 | return new DoubleField(this, index); |
duke@435 | 928 | } |
duke@435 | 929 | if (type.isFloat()) { |
duke@435 | 930 | return new FloatField(this, index); |
duke@435 | 931 | } |
duke@435 | 932 | if (type.isInt()) { |
duke@435 | 933 | return new IntField(this, index); |
duke@435 | 934 | } |
duke@435 | 935 | if (type.isLong()) { |
duke@435 | 936 | return new LongField(this, index); |
duke@435 | 937 | } |
duke@435 | 938 | if (type.isShort()) { |
duke@435 | 939 | return new ShortField(this, index); |
duke@435 | 940 | } |
duke@435 | 941 | if (type.isBoolean()) { |
duke@435 | 942 | return new BooleanField(this, index); |
duke@435 | 943 | } |
duke@435 | 944 | throw new RuntimeException("Illegal field type at index " + index); |
duke@435 | 945 | } |
duke@435 | 946 | |
coleenp@4037 | 947 | private static Method findMethod(MethodArray methods, Symbol name, Symbol signature) { |
coleenp@4037 | 948 | int len = methods.length(); |
duke@435 | 949 | // methods are sorted, so do binary search |
duke@435 | 950 | int l = 0; |
duke@435 | 951 | int h = len - 1; |
duke@435 | 952 | while (l <= h) { |
duke@435 | 953 | int mid = (l + h) >> 1; |
coleenp@4037 | 954 | Method m = methods.at(mid); |
duke@435 | 955 | int res = m.getName().fastCompare(name); |
duke@435 | 956 | if (res == 0) { |
duke@435 | 957 | // found matching name; do linear search to find matching signature |
duke@435 | 958 | // first, quick check for common case |
duke@435 | 959 | if (m.getSignature().equals(signature)) return m; |
duke@435 | 960 | // search downwards through overloaded methods |
duke@435 | 961 | int i; |
duke@435 | 962 | for (i = mid - 1; i >= l; i--) { |
coleenp@4037 | 963 | Method m1 = methods.at(i); |
duke@435 | 964 | if (!m1.getName().equals(name)) break; |
duke@435 | 965 | if (m1.getSignature().equals(signature)) return m1; |
duke@435 | 966 | } |
duke@435 | 967 | // search upwards |
duke@435 | 968 | for (i = mid + 1; i <= h; i++) { |
coleenp@4037 | 969 | Method m1 = methods.at(i); |
duke@435 | 970 | if (!m1.getName().equals(name)) break; |
duke@435 | 971 | if (m1.getSignature().equals(signature)) return m1; |
duke@435 | 972 | } |
duke@435 | 973 | // not found |
duke@435 | 974 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 975 | int index = linearSearch(methods, name, signature); |
duke@435 | 976 | if (index != -1) { |
duke@435 | 977 | throw new DebuggerException("binary search bug: should have found entry " + index); |
duke@435 | 978 | } |
duke@435 | 979 | } |
duke@435 | 980 | return null; |
duke@435 | 981 | } else if (res < 0) { |
duke@435 | 982 | l = mid + 1; |
duke@435 | 983 | } else { |
duke@435 | 984 | h = mid - 1; |
duke@435 | 985 | } |
duke@435 | 986 | } |
duke@435 | 987 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 988 | int index = linearSearch(methods, name, signature); |
duke@435 | 989 | if (index != -1) { |
duke@435 | 990 | throw new DebuggerException("binary search bug: should have found entry " + index); |
duke@435 | 991 | } |
duke@435 | 992 | } |
duke@435 | 993 | return null; |
duke@435 | 994 | } |
duke@435 | 995 | |
coleenp@4037 | 996 | private static int linearSearch(MethodArray methods, Symbol name, Symbol signature) { |
coleenp@4037 | 997 | int len = (int) methods.length(); |
duke@435 | 998 | for (int index = 0; index < len; index++) { |
coleenp@4037 | 999 | Method m = methods.at(index); |
duke@435 | 1000 | if (m.getSignature().equals(signature) && m.getName().equals(name)) { |
duke@435 | 1001 | return index; |
duke@435 | 1002 | } |
duke@435 | 1003 | } |
duke@435 | 1004 | return -1; |
duke@435 | 1005 | } |
minqi@4267 | 1006 | |
minqi@4267 | 1007 | public void dumpReplayData(PrintStream out) { |
minqi@4267 | 1008 | ConstantPool cp = getConstants(); |
minqi@4267 | 1009 | |
minqi@4267 | 1010 | // Try to record related loaded classes |
minqi@4267 | 1011 | Klass sub = getSubklassKlass(); |
minqi@4267 | 1012 | while (sub != null) { |
minqi@4267 | 1013 | if (sub instanceof InstanceKlass) { |
minqi@4267 | 1014 | out.println("instanceKlass " + sub.getName().asString()); |
minqi@4267 | 1015 | } |
minqi@4267 | 1016 | sub = sub.getNextSiblingKlass(); |
minqi@4267 | 1017 | } |
minqi@4267 | 1018 | |
minqi@4267 | 1019 | final int length = (int) cp.getLength(); |
minqi@4267 | 1020 | out.print("ciInstanceKlass " + getName().asString() + " " + (isLinked() ? 1 : 0) + " " + (isInitialized() ? 1 : 0) + " " + length); |
minqi@4267 | 1021 | for (int index = 1; index < length; index++) { |
minqi@4267 | 1022 | out.print(" " + cp.getTags().at(index)); |
minqi@4267 | 1023 | } |
minqi@4267 | 1024 | out.println(); |
minqi@4267 | 1025 | if (isInitialized()) { |
minqi@4267 | 1026 | Field[] staticFields = getStaticFields(); |
minqi@4267 | 1027 | for (int i = 0; i < staticFields.length; i++) { |
minqi@4267 | 1028 | Field f = staticFields[i]; |
minqi@4267 | 1029 | Oop mirror = getJavaMirror(); |
minqi@4267 | 1030 | if (f.isFinal() && !f.hasInitialValue()) { |
minqi@4267 | 1031 | out.print("staticfield " + getName().asString() + " " + |
minqi@4267 | 1032 | OopUtilities.escapeString(f.getID().getName()) + " " + |
minqi@4267 | 1033 | f.getFieldType().getSignature().asString() + " "); |
minqi@4267 | 1034 | if (f instanceof ByteField) { |
minqi@4267 | 1035 | ByteField bf = (ByteField)f; |
minqi@4267 | 1036 | out.println(bf.getValue(mirror)); |
minqi@4267 | 1037 | } else if (f instanceof BooleanField) { |
minqi@4267 | 1038 | BooleanField bf = (BooleanField)f; |
minqi@4267 | 1039 | out.println(bf.getValue(mirror) ? 1 : 0); |
minqi@4267 | 1040 | } else if (f instanceof ShortField) { |
minqi@4267 | 1041 | ShortField bf = (ShortField)f; |
minqi@4267 | 1042 | out.println(bf.getValue(mirror)); |
minqi@4267 | 1043 | } else if (f instanceof CharField) { |
minqi@4267 | 1044 | CharField bf = (CharField)f; |
minqi@4267 | 1045 | out.println(bf.getValue(mirror) & 0xffff); |
minqi@4267 | 1046 | } else if (f instanceof IntField) { |
minqi@4267 | 1047 | IntField bf = (IntField)f; |
minqi@4267 | 1048 | out.println(bf.getValue(mirror)); |
minqi@4267 | 1049 | } else if (f instanceof LongField) { |
minqi@4267 | 1050 | LongField bf = (LongField)f; |
minqi@4267 | 1051 | out.println(bf.getValue(mirror)); |
minqi@4267 | 1052 | } else if (f instanceof FloatField) { |
minqi@4267 | 1053 | FloatField bf = (FloatField)f; |
minqi@4267 | 1054 | out.println(Float.floatToRawIntBits(bf.getValue(mirror))); |
minqi@4267 | 1055 | } else if (f instanceof DoubleField) { |
minqi@4267 | 1056 | DoubleField bf = (DoubleField)f; |
minqi@4267 | 1057 | out.println(Double.doubleToRawLongBits(bf.getValue(mirror))); |
minqi@4267 | 1058 | } else if (f instanceof OopField) { |
minqi@4267 | 1059 | OopField bf = (OopField)f; |
minqi@4267 | 1060 | |
minqi@4267 | 1061 | Oop value = bf.getValue(mirror); |
minqi@4267 | 1062 | if (value == null) { |
minqi@4267 | 1063 | out.println("null"); |
minqi@4267 | 1064 | } else if (value.isInstance()) { |
minqi@4267 | 1065 | Instance inst = (Instance)value; |
minqi@4267 | 1066 | if (inst.isA(SystemDictionary.getStringKlass())) { |
minqi@4267 | 1067 | out.println("\"" + OopUtilities.stringOopToEscapedString(inst) + "\""); |
minqi@4267 | 1068 | } else { |
minqi@4267 | 1069 | out.println(inst.getKlass().getName().asString()); |
minqi@4267 | 1070 | } |
minqi@4267 | 1071 | } else if (value.isObjArray()) { |
minqi@4267 | 1072 | ObjArray oa = (ObjArray)value; |
minqi@4267 | 1073 | Klass ek = (ObjArrayKlass)oa.getKlass(); |
minqi@4267 | 1074 | out.println(oa.getLength() + " " + ek.getName().asString()); |
minqi@4267 | 1075 | } else if (value.isTypeArray()) { |
minqi@4267 | 1076 | TypeArray ta = (TypeArray)value; |
minqi@4267 | 1077 | out.println(ta.getLength()); |
minqi@4267 | 1078 | } else { |
minqi@4267 | 1079 | out.println(value); |
minqi@4267 | 1080 | } |
minqi@4267 | 1081 | } |
minqi@4267 | 1082 | } |
minqi@4267 | 1083 | } |
minqi@4267 | 1084 | } |
minqi@4267 | 1085 | } |
duke@435 | 1086 | } |