Sun, 11 Sep 2011 14:48:24 -0700
7088955: add C2 IR support to the SA
Reviewed-by: kvn
duke@435 | 1 | /* |
never@2658 | 2 | * Copyright (c) 2000, 2011, 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.*; |
duke@435 | 29 | import sun.jvm.hotspot.debugger.*; |
duke@435 | 30 | import sun.jvm.hotspot.memory.*; |
duke@435 | 31 | import sun.jvm.hotspot.runtime.*; |
duke@435 | 32 | import sun.jvm.hotspot.types.*; |
duke@435 | 33 | import sun.jvm.hotspot.utilities.*; |
duke@435 | 34 | |
duke@435 | 35 | // An InstanceKlass is the VM level representation of a Java class. |
duke@435 | 36 | |
duke@435 | 37 | public class InstanceKlass extends Klass { |
duke@435 | 38 | static { |
duke@435 | 39 | VM.registerVMInitializedObserver(new Observer() { |
duke@435 | 40 | public void update(Observable o, Object data) { |
duke@435 | 41 | initialize(VM.getVM().getTypeDataBase()); |
duke@435 | 42 | } |
duke@435 | 43 | }); |
duke@435 | 44 | } |
duke@435 | 45 | |
duke@435 | 46 | // field offset constants |
duke@435 | 47 | public static int ACCESS_FLAGS_OFFSET; |
duke@435 | 48 | public static int NAME_INDEX_OFFSET; |
duke@435 | 49 | public static int SIGNATURE_INDEX_OFFSET; |
duke@435 | 50 | public static int INITVAL_INDEX_OFFSET; |
duke@435 | 51 | public static int LOW_OFFSET; |
duke@435 | 52 | public static int HIGH_OFFSET; |
duke@435 | 53 | public static int GENERIC_SIGNATURE_INDEX_OFFSET; |
never@3137 | 54 | public static int FIELD_SLOTS; |
duke@435 | 55 | public static int IMPLEMENTORS_LIMIT; |
duke@435 | 56 | |
duke@435 | 57 | // ClassState constants |
duke@435 | 58 | private static int CLASS_STATE_UNPARSABLE_BY_GC; |
duke@435 | 59 | private static int CLASS_STATE_ALLOCATED; |
duke@435 | 60 | private static int CLASS_STATE_LOADED; |
duke@435 | 61 | private static int CLASS_STATE_LINKED; |
duke@435 | 62 | private static int CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 63 | private static int CLASS_STATE_FULLY_INITIALIZED; |
duke@435 | 64 | private static int CLASS_STATE_INITIALIZATION_ERROR; |
duke@435 | 65 | |
duke@435 | 66 | private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { |
duke@435 | 67 | Type type = db.lookupType("instanceKlass"); |
duke@435 | 68 | arrayKlasses = new OopField(type.getOopField("_array_klasses"), Oop.getHeaderSize()); |
duke@435 | 69 | methods = new OopField(type.getOopField("_methods"), Oop.getHeaderSize()); |
duke@435 | 70 | methodOrdering = new OopField(type.getOopField("_method_ordering"), Oop.getHeaderSize()); |
duke@435 | 71 | localInterfaces = new OopField(type.getOopField("_local_interfaces"), Oop.getHeaderSize()); |
duke@435 | 72 | transitiveInterfaces = new OopField(type.getOopField("_transitive_interfaces"), Oop.getHeaderSize()); |
duke@435 | 73 | nofImplementors = new CIntField(type.getCIntegerField("_nof_implementors"), Oop.getHeaderSize()); |
duke@435 | 74 | IMPLEMENTORS_LIMIT = db.lookupIntConstant("instanceKlass::implementors_limit").intValue(); |
duke@435 | 75 | implementors = new OopField[IMPLEMENTORS_LIMIT]; |
duke@435 | 76 | for (int i = 0; i < IMPLEMENTORS_LIMIT; i++) { |
duke@435 | 77 | long arrayOffset = Oop.getHeaderSize() + (i * db.getAddressSize()); |
duke@435 | 78 | implementors[i] = new OopField(type.getOopField("_implementors[0]"), arrayOffset); |
duke@435 | 79 | } |
duke@435 | 80 | fields = new OopField(type.getOopField("_fields"), Oop.getHeaderSize()); |
never@3137 | 81 | javaFieldsCount = new CIntField(type.getCIntegerField("_java_fields_count"), Oop.getHeaderSize()); |
duke@435 | 82 | constants = new OopField(type.getOopField("_constants"), Oop.getHeaderSize()); |
duke@435 | 83 | classLoader = new OopField(type.getOopField("_class_loader"), Oop.getHeaderSize()); |
duke@435 | 84 | protectionDomain = new OopField(type.getOopField("_protection_domain"), Oop.getHeaderSize()); |
duke@435 | 85 | signers = new OopField(type.getOopField("_signers"), Oop.getHeaderSize()); |
coleenp@2497 | 86 | sourceFileName = type.getAddressField("_source_file_name"); |
coleenp@2497 | 87 | sourceDebugExtension = type.getAddressField("_source_debug_extension"); |
duke@435 | 88 | innerClasses = new OopField(type.getOopField("_inner_classes"), Oop.getHeaderSize()); |
duke@435 | 89 | nonstaticFieldSize = new CIntField(type.getCIntegerField("_nonstatic_field_size"), Oop.getHeaderSize()); |
duke@435 | 90 | staticFieldSize = new CIntField(type.getCIntegerField("_static_field_size"), Oop.getHeaderSize()); |
never@2658 | 91 | staticOopFieldCount = new CIntField(type.getCIntegerField("_static_oop_field_count"), Oop.getHeaderSize()); |
duke@435 | 92 | nonstaticOopMapSize = new CIntField(type.getCIntegerField("_nonstatic_oop_map_size"), Oop.getHeaderSize()); |
duke@435 | 93 | isMarkedDependent = new CIntField(type.getCIntegerField("_is_marked_dependent"), Oop.getHeaderSize()); |
duke@435 | 94 | initState = new CIntField(type.getCIntegerField("_init_state"), Oop.getHeaderSize()); |
duke@435 | 95 | vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), Oop.getHeaderSize()); |
duke@435 | 96 | itableLen = new CIntField(type.getCIntegerField("_itable_len"), Oop.getHeaderSize()); |
duke@435 | 97 | breakpoints = type.getAddressField("_breakpoints"); |
coleenp@2497 | 98 | genericSignature = type.getAddressField("_generic_signature"); |
duke@435 | 99 | majorVersion = new CIntField(type.getCIntegerField("_major_version"), Oop.getHeaderSize()); |
duke@435 | 100 | minorVersion = new CIntField(type.getCIntegerField("_minor_version"), Oop.getHeaderSize()); |
duke@435 | 101 | headerSize = alignObjectOffset(Oop.getHeaderSize() + type.getSize()); |
duke@435 | 102 | |
duke@435 | 103 | // read field offset constants |
never@3137 | 104 | ACCESS_FLAGS_OFFSET = db.lookupIntConstant("FieldInfo::access_flags_offset").intValue(); |
never@3137 | 105 | NAME_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::name_index_offset").intValue(); |
never@3137 | 106 | SIGNATURE_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::signature_index_offset").intValue(); |
never@3137 | 107 | INITVAL_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::initval_index_offset").intValue(); |
never@3137 | 108 | LOW_OFFSET = db.lookupIntConstant("FieldInfo::low_offset").intValue(); |
never@3137 | 109 | HIGH_OFFSET = db.lookupIntConstant("FieldInfo::high_offset").intValue(); |
never@3137 | 110 | GENERIC_SIGNATURE_INDEX_OFFSET = db.lookupIntConstant("FieldInfo::generic_signature_offset").intValue(); |
never@3137 | 111 | FIELD_SLOTS = db.lookupIntConstant("FieldInfo::field_slots").intValue(); |
duke@435 | 112 | // read ClassState constants |
duke@435 | 113 | CLASS_STATE_UNPARSABLE_BY_GC = db.lookupIntConstant("instanceKlass::unparsable_by_gc").intValue(); |
duke@435 | 114 | CLASS_STATE_ALLOCATED = db.lookupIntConstant("instanceKlass::allocated").intValue(); |
duke@435 | 115 | CLASS_STATE_LOADED = db.lookupIntConstant("instanceKlass::loaded").intValue(); |
duke@435 | 116 | CLASS_STATE_LINKED = db.lookupIntConstant("instanceKlass::linked").intValue(); |
duke@435 | 117 | CLASS_STATE_BEING_INITIALIZED = db.lookupIntConstant("instanceKlass::being_initialized").intValue(); |
duke@435 | 118 | CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("instanceKlass::fully_initialized").intValue(); |
duke@435 | 119 | CLASS_STATE_INITIALIZATION_ERROR = db.lookupIntConstant("instanceKlass::initialization_error").intValue(); |
duke@435 | 120 | |
duke@435 | 121 | } |
duke@435 | 122 | |
duke@435 | 123 | InstanceKlass(OopHandle handle, ObjectHeap heap) { |
duke@435 | 124 | super(handle, heap); |
duke@435 | 125 | } |
duke@435 | 126 | |
duke@435 | 127 | private static OopField arrayKlasses; |
duke@435 | 128 | private static OopField methods; |
duke@435 | 129 | private static OopField methodOrdering; |
duke@435 | 130 | private static OopField localInterfaces; |
duke@435 | 131 | private static OopField transitiveInterfaces; |
duke@435 | 132 | private static CIntField nofImplementors; |
duke@435 | 133 | private static OopField[] implementors; |
duke@435 | 134 | private static OopField fields; |
never@3137 | 135 | private static CIntField javaFieldsCount; |
duke@435 | 136 | private static OopField constants; |
duke@435 | 137 | private static OopField classLoader; |
duke@435 | 138 | private static OopField protectionDomain; |
duke@435 | 139 | private static OopField signers; |
coleenp@2497 | 140 | private static AddressField sourceFileName; |
coleenp@2497 | 141 | private static AddressField sourceDebugExtension; |
duke@435 | 142 | private static OopField innerClasses; |
duke@435 | 143 | private static CIntField nonstaticFieldSize; |
duke@435 | 144 | private static CIntField staticFieldSize; |
never@2658 | 145 | private static CIntField staticOopFieldCount; |
duke@435 | 146 | private static CIntField nonstaticOopMapSize; |
duke@435 | 147 | private static CIntField isMarkedDependent; |
duke@435 | 148 | private static CIntField initState; |
duke@435 | 149 | private static CIntField vtableLen; |
duke@435 | 150 | private static CIntField itableLen; |
duke@435 | 151 | private static AddressField breakpoints; |
coleenp@2497 | 152 | private static AddressField genericSignature; |
duke@435 | 153 | private static CIntField majorVersion; |
duke@435 | 154 | private static CIntField minorVersion; |
duke@435 | 155 | |
duke@435 | 156 | // type safe enum for ClassState from instanceKlass.hpp |
duke@435 | 157 | public static class ClassState { |
duke@435 | 158 | public static final ClassState UNPARSABLE_BY_GC = new ClassState("unparsable_by_gc"); |
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(); |
duke@435 | 180 | if (state == CLASS_STATE_UNPARSABLE_BY_GC) { |
duke@435 | 181 | return ClassState.UNPARSABLE_BY_GC; |
duke@435 | 182 | } else if (state == CLASS_STATE_ALLOCATED) { |
duke@435 | 183 | return ClassState.ALLOCATED; |
duke@435 | 184 | } else if (state == CLASS_STATE_LOADED) { |
duke@435 | 185 | return ClassState.LOADED; |
duke@435 | 186 | } else if (state == CLASS_STATE_LINKED) { |
duke@435 | 187 | return ClassState.LINKED; |
duke@435 | 188 | } else if (state == CLASS_STATE_BEING_INITIALIZED) { |
duke@435 | 189 | return ClassState.BEING_INITIALIZED; |
duke@435 | 190 | } else if (state == CLASS_STATE_FULLY_INITIALIZED) { |
duke@435 | 191 | return ClassState.FULLY_INITIALIZED; |
duke@435 | 192 | } else if (state == CLASS_STATE_INITIALIZATION_ERROR) { |
duke@435 | 193 | return ClassState.INITIALIZATION_ERROR; |
duke@435 | 194 | } else { |
duke@435 | 195 | throw new RuntimeException("should not reach here"); |
duke@435 | 196 | } |
duke@435 | 197 | } |
duke@435 | 198 | |
duke@435 | 199 | // initialization state quaries |
duke@435 | 200 | public boolean isLoaded() { |
duke@435 | 201 | return getInitStateAsInt() >= CLASS_STATE_LOADED; |
duke@435 | 202 | } |
duke@435 | 203 | |
duke@435 | 204 | public boolean isLinked() { |
duke@435 | 205 | return getInitStateAsInt() >= CLASS_STATE_LINKED; |
duke@435 | 206 | } |
duke@435 | 207 | |
duke@435 | 208 | public boolean isInitialized() { |
duke@435 | 209 | return getInitStateAsInt() == CLASS_STATE_FULLY_INITIALIZED; |
duke@435 | 210 | } |
duke@435 | 211 | |
duke@435 | 212 | public boolean isNotInitialized() { |
duke@435 | 213 | return getInitStateAsInt() < CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 214 | } |
duke@435 | 215 | |
duke@435 | 216 | public boolean isBeingInitialized() { |
duke@435 | 217 | return getInitStateAsInt() == CLASS_STATE_BEING_INITIALIZED; |
duke@435 | 218 | } |
duke@435 | 219 | |
duke@435 | 220 | public boolean isInErrorState() { |
duke@435 | 221 | return getInitStateAsInt() == CLASS_STATE_INITIALIZATION_ERROR; |
duke@435 | 222 | } |
duke@435 | 223 | |
duke@435 | 224 | public int getClassStatus() { |
duke@435 | 225 | int result = 0; |
duke@435 | 226 | if (isLinked()) { |
duke@435 | 227 | result |= JVMDIClassStatus.VERIFIED | JVMDIClassStatus.PREPARED; |
duke@435 | 228 | } |
duke@435 | 229 | |
duke@435 | 230 | if (isInitialized()) { |
duke@435 | 231 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 232 | Assert.that(isLinked(), "Class status is not consistent"); |
duke@435 | 233 | } |
duke@435 | 234 | result |= JVMDIClassStatus.INITIALIZED; |
duke@435 | 235 | } |
duke@435 | 236 | |
duke@435 | 237 | if (isInErrorState()) { |
duke@435 | 238 | result |= JVMDIClassStatus.ERROR; |
duke@435 | 239 | } |
duke@435 | 240 | return result; |
duke@435 | 241 | } |
duke@435 | 242 | |
duke@435 | 243 | // Byteside of the header |
duke@435 | 244 | private static long headerSize; |
duke@435 | 245 | |
never@2693 | 246 | public long getObjectSize(Oop object) { |
never@2693 | 247 | return getSizeHelper() * VM.getVM().getAddressSize(); |
never@2693 | 248 | } |
never@2693 | 249 | |
duke@435 | 250 | public static long getHeaderSize() { return headerSize; } |
duke@435 | 251 | |
never@3137 | 252 | public short getFieldAccessFlags(int index) { |
never@3137 | 253 | return getFields().getShortAt(index * FIELD_SLOTS + ACCESS_FLAGS_OFFSET); |
never@3137 | 254 | } |
never@3137 | 255 | |
never@3137 | 256 | public Symbol getFieldName(int index) { |
never@3137 | 257 | int nameIndex = getFields().getShortAt(index * FIELD_SLOTS + NAME_INDEX_OFFSET); |
never@3137 | 258 | return getConstants().getSymbolAt(nameIndex); |
never@3137 | 259 | } |
never@3137 | 260 | |
never@3137 | 261 | public Symbol getFieldSignature(int index) { |
never@3137 | 262 | int signatureIndex = getFields().getShortAt(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET); |
never@3137 | 263 | return getConstants().getSymbolAt(signatureIndex); |
never@3137 | 264 | } |
never@3137 | 265 | |
never@3137 | 266 | public Symbol getFieldGenericSignature(int index) { |
never@3137 | 267 | short genericSignatureIndex = getFields().getShortAt(index * FIELD_SLOTS + GENERIC_SIGNATURE_INDEX_OFFSET); |
never@3137 | 268 | if (genericSignatureIndex != 0) { |
never@3137 | 269 | return getConstants().getSymbolAt(genericSignatureIndex); |
never@3137 | 270 | } |
never@3137 | 271 | return null; |
never@3137 | 272 | } |
never@3137 | 273 | |
never@3137 | 274 | public int getFieldOffset(int index) { |
never@3137 | 275 | TypeArray fields = getFields(); |
never@3137 | 276 | return VM.getVM().buildIntFromShorts(fields.getShortAt(index * FIELD_SLOTS + LOW_OFFSET), |
never@3137 | 277 | fields.getShortAt(index * FIELD_SLOTS + HIGH_OFFSET)); |
never@3137 | 278 | } |
never@3137 | 279 | |
duke@435 | 280 | // Accessors for declared fields |
duke@435 | 281 | public Klass getArrayKlasses() { return (Klass) arrayKlasses.getValue(this); } |
duke@435 | 282 | public ObjArray getMethods() { return (ObjArray) methods.getValue(this); } |
duke@435 | 283 | public TypeArray getMethodOrdering() { return (TypeArray) methodOrdering.getValue(this); } |
duke@435 | 284 | public ObjArray getLocalInterfaces() { return (ObjArray) localInterfaces.getValue(this); } |
duke@435 | 285 | public ObjArray getTransitiveInterfaces() { return (ObjArray) transitiveInterfaces.getValue(this); } |
duke@435 | 286 | public long nofImplementors() { return nofImplementors.getValue(this); } |
duke@435 | 287 | public Klass getImplementor() { return (Klass) implementors[0].getValue(this); } |
duke@435 | 288 | public Klass getImplementor(int i) { return (Klass) implementors[i].getValue(this); } |
duke@435 | 289 | public TypeArray getFields() { return (TypeArray) fields.getValue(this); } |
never@3137 | 290 | public int getJavaFieldsCount() { return (int) javaFieldsCount.getValue(this); } |
never@3137 | 291 | public int getAllFieldsCount() { return (int)getFields().getLength(); } |
duke@435 | 292 | public ConstantPool getConstants() { return (ConstantPool) constants.getValue(this); } |
duke@435 | 293 | public Oop getClassLoader() { return classLoader.getValue(this); } |
duke@435 | 294 | public Oop getProtectionDomain() { return protectionDomain.getValue(this); } |
duke@435 | 295 | public ObjArray getSigners() { return (ObjArray) signers.getValue(this); } |
coleenp@2497 | 296 | public Symbol getSourceFileName() { return getSymbol(sourceFileName); } |
coleenp@2497 | 297 | public Symbol getSourceDebugExtension(){ return getSymbol(sourceDebugExtension); } |
duke@435 | 298 | public TypeArray getInnerClasses() { return (TypeArray) innerClasses.getValue(this); } |
duke@435 | 299 | public long getNonstaticFieldSize() { return nonstaticFieldSize.getValue(this); } |
never@2658 | 300 | public long getStaticOopFieldCount() { return staticOopFieldCount.getValue(this); } |
duke@435 | 301 | public long getNonstaticOopMapSize() { return nonstaticOopMapSize.getValue(this); } |
duke@435 | 302 | public boolean getIsMarkedDependent() { return isMarkedDependent.getValue(this) != 0; } |
duke@435 | 303 | public long getVtableLen() { return vtableLen.getValue(this); } |
duke@435 | 304 | public long getItableLen() { return itableLen.getValue(this); } |
coleenp@2497 | 305 | public Symbol getGenericSignature() { return getSymbol(genericSignature); } |
duke@435 | 306 | public long majorVersion() { return majorVersion.getValue(this); } |
duke@435 | 307 | public long minorVersion() { return minorVersion.getValue(this); } |
duke@435 | 308 | |
duke@435 | 309 | // "size helper" == instance size in words |
duke@435 | 310 | public long getSizeHelper() { |
duke@435 | 311 | int lh = getLayoutHelper(); |
duke@435 | 312 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 313 | Assert.that(lh > 0, "layout helper initialized for instance class"); |
duke@435 | 314 | } |
duke@435 | 315 | return lh / VM.getVM().getAddressSize(); |
duke@435 | 316 | } |
duke@435 | 317 | |
duke@435 | 318 | // same as enum InnerClassAttributeOffset in VM code. |
duke@435 | 319 | public static interface InnerClassAttributeOffset { |
duke@435 | 320 | // from JVM spec. "InnerClasses" attribute |
duke@435 | 321 | public static final int innerClassInnerClassInfoOffset = 0; |
duke@435 | 322 | public static final int innerClassOuterClassInfoOffset = 1; |
duke@435 | 323 | public static final int innerClassInnerNameOffset = 2; |
duke@435 | 324 | public static final int innerClassAccessFlagsOffset = 3; |
duke@435 | 325 | public static final int innerClassNextOffset = 4; |
duke@435 | 326 | }; |
duke@435 | 327 | |
duke@435 | 328 | // refer to compute_modifier_flags in VM code. |
duke@435 | 329 | public long computeModifierFlags() { |
duke@435 | 330 | long access = getAccessFlags(); |
duke@435 | 331 | // But check if it happens to be member class. |
duke@435 | 332 | TypeArray innerClassList = getInnerClasses(); |
duke@435 | 333 | int length = ( innerClassList == null)? 0 : (int) innerClassList.getLength(); |
duke@435 | 334 | if (length > 0) { |
duke@435 | 335 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 336 | Assert.that(length % InnerClassAttributeOffset.innerClassNextOffset == 0, "just checking"); |
duke@435 | 337 | } |
duke@435 | 338 | for (int i = 0; i < length; i += InnerClassAttributeOffset.innerClassNextOffset) { |
duke@435 | 339 | int ioff = innerClassList.getShortAt(i + |
duke@435 | 340 | InnerClassAttributeOffset.innerClassInnerClassInfoOffset); |
duke@435 | 341 | // 'ioff' can be zero. |
duke@435 | 342 | // refer to JVM spec. section 4.7.5. |
duke@435 | 343 | if (ioff != 0) { |
duke@435 | 344 | // only look at classes that are already loaded |
duke@435 | 345 | // since we are looking for the flags for our self. |
coleenp@2497 | 346 | ConstantPool.CPSlot classInfo = getConstants().getSlotAt(ioff); |
duke@435 | 347 | Symbol name = null; |
coleenp@2497 | 348 | if (classInfo.isOop()) { |
coleenp@2497 | 349 | name = ((Klass) classInfo.getOop()).getName(); |
coleenp@2497 | 350 | } else if (classInfo.isMetaData()) { |
coleenp@2497 | 351 | name = classInfo.getSymbol(); |
duke@435 | 352 | } else { |
duke@435 | 353 | throw new RuntimeException("should not reach here"); |
duke@435 | 354 | } |
duke@435 | 355 | |
duke@435 | 356 | if (name.equals(getName())) { |
duke@435 | 357 | // This is really a member class |
duke@435 | 358 | access = innerClassList.getShortAt(i + |
duke@435 | 359 | InnerClassAttributeOffset.innerClassAccessFlagsOffset); |
duke@435 | 360 | break; |
duke@435 | 361 | } |
duke@435 | 362 | } |
duke@435 | 363 | } // for inner classes |
duke@435 | 364 | } |
duke@435 | 365 | |
duke@435 | 366 | // Remember to strip ACC_SUPER bit |
duke@435 | 367 | return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS; |
duke@435 | 368 | } |
duke@435 | 369 | |
duke@435 | 370 | |
duke@435 | 371 | // whether given Symbol is name of an inner/nested Klass of this Klass? |
duke@435 | 372 | // anonymous and local classes are excluded. |
duke@435 | 373 | public boolean isInnerClassName(Symbol sym) { |
duke@435 | 374 | return isInInnerClasses(sym, false); |
duke@435 | 375 | } |
duke@435 | 376 | |
duke@435 | 377 | // whether given Symbol is name of an inner/nested Klass of this Klass? |
duke@435 | 378 | // anonymous classes excluded, but local classes are included. |
duke@435 | 379 | public boolean isInnerOrLocalClassName(Symbol sym) { |
duke@435 | 380 | return isInInnerClasses(sym, true); |
duke@435 | 381 | } |
duke@435 | 382 | |
duke@435 | 383 | private boolean isInInnerClasses(Symbol sym, boolean includeLocals) { |
duke@435 | 384 | TypeArray innerClassList = getInnerClasses(); |
duke@435 | 385 | int length = ( innerClassList == null)? 0 : (int) innerClassList.getLength(); |
duke@435 | 386 | if (length > 0) { |
duke@435 | 387 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 388 | Assert.that(length % InnerClassAttributeOffset.innerClassNextOffset == 0, "just checking"); |
duke@435 | 389 | } |
duke@435 | 390 | for (int i = 0; i < length; i += InnerClassAttributeOffset.innerClassNextOffset) { |
duke@435 | 391 | int ioff = innerClassList.getShortAt(i + |
duke@435 | 392 | InnerClassAttributeOffset.innerClassInnerClassInfoOffset); |
duke@435 | 393 | // 'ioff' can be zero. |
duke@435 | 394 | // refer to JVM spec. section 4.7.5. |
duke@435 | 395 | if (ioff != 0) { |
coleenp@2497 | 396 | ConstantPool.CPSlot iclassInfo = getConstants().getSlotAt(ioff); |
duke@435 | 397 | Symbol innerName = null; |
coleenp@2497 | 398 | if (iclassInfo.isOop()) { |
coleenp@2497 | 399 | innerName = ((Klass) iclassInfo.getOop()).getName(); |
coleenp@2497 | 400 | } else if (iclassInfo.isMetaData()) { |
coleenp@2497 | 401 | innerName = iclassInfo.getSymbol(); |
duke@435 | 402 | } else { |
duke@435 | 403 | throw new RuntimeException("should not reach here"); |
duke@435 | 404 | } |
duke@435 | 405 | |
duke@435 | 406 | Symbol myname = getName(); |
duke@435 | 407 | int ooff = innerClassList.getShortAt(i + |
duke@435 | 408 | InnerClassAttributeOffset.innerClassOuterClassInfoOffset); |
duke@435 | 409 | // for anonymous classes inner_name_index of InnerClasses |
duke@435 | 410 | // attribute is zero. |
duke@435 | 411 | int innerNameIndex = innerClassList.getShortAt(i + |
duke@435 | 412 | InnerClassAttributeOffset.innerClassInnerNameOffset); |
duke@435 | 413 | // if this is not a member (anonymous, local etc.), 'ooff' will be zero |
duke@435 | 414 | // refer to JVM spec. section 4.7.5. |
duke@435 | 415 | if (ooff == 0) { |
duke@435 | 416 | if (includeLocals) { |
duke@435 | 417 | // does it looks like my local class? |
duke@435 | 418 | if (innerName.equals(sym) && |
duke@435 | 419 | innerName.asString().startsWith(myname.asString())) { |
duke@435 | 420 | // exclude anonymous classes. |
duke@435 | 421 | return (innerNameIndex != 0); |
duke@435 | 422 | } |
duke@435 | 423 | } |
duke@435 | 424 | } else { |
coleenp@2497 | 425 | ConstantPool.CPSlot oclassInfo = getConstants().getSlotAt(ooff); |
duke@435 | 426 | Symbol outerName = null; |
coleenp@2497 | 427 | if (oclassInfo.isOop()) { |
coleenp@2497 | 428 | outerName = ((Klass) oclassInfo.getOop()).getName(); |
coleenp@2497 | 429 | } else if (oclassInfo.isMetaData()) { |
coleenp@2497 | 430 | outerName = oclassInfo.getSymbol(); |
duke@435 | 431 | } else { |
duke@435 | 432 | throw new RuntimeException("should not reach here"); |
duke@435 | 433 | } |
duke@435 | 434 | |
duke@435 | 435 | // include only if current class is outer class. |
duke@435 | 436 | if (outerName.equals(myname) && innerName.equals(sym)) { |
duke@435 | 437 | return true; |
duke@435 | 438 | } |
duke@435 | 439 | } |
duke@435 | 440 | } |
duke@435 | 441 | } // for inner classes |
duke@435 | 442 | return false; |
duke@435 | 443 | } else { |
duke@435 | 444 | return false; |
duke@435 | 445 | } |
duke@435 | 446 | } |
duke@435 | 447 | |
duke@435 | 448 | public boolean implementsInterface(Klass k) { |
duke@435 | 449 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 450 | Assert.that(k.isInterface(), "should not reach here"); |
duke@435 | 451 | } |
duke@435 | 452 | ObjArray interfaces = getTransitiveInterfaces(); |
duke@435 | 453 | final int len = (int) interfaces.getLength(); |
duke@435 | 454 | for (int i = 0; i < len; i++) { |
duke@435 | 455 | if (interfaces.getObjAt(i).equals(k)) return true; |
duke@435 | 456 | } |
duke@435 | 457 | return false; |
duke@435 | 458 | } |
duke@435 | 459 | |
duke@435 | 460 | boolean computeSubtypeOf(Klass k) { |
duke@435 | 461 | if (k.isInterface()) { |
duke@435 | 462 | return implementsInterface(k); |
duke@435 | 463 | } else { |
duke@435 | 464 | return super.computeSubtypeOf(k); |
duke@435 | 465 | } |
duke@435 | 466 | } |
duke@435 | 467 | |
duke@435 | 468 | public void printValueOn(PrintStream tty) { |
duke@435 | 469 | tty.print("InstanceKlass for " + getName().asString()); |
duke@435 | 470 | } |
duke@435 | 471 | |
duke@435 | 472 | public void iterateFields(OopVisitor visitor, boolean doVMFields) { |
duke@435 | 473 | super.iterateFields(visitor, doVMFields); |
duke@435 | 474 | if (doVMFields) { |
duke@435 | 475 | visitor.doOop(arrayKlasses, true); |
duke@435 | 476 | visitor.doOop(methods, true); |
duke@435 | 477 | visitor.doOop(methodOrdering, true); |
duke@435 | 478 | visitor.doOop(localInterfaces, true); |
duke@435 | 479 | visitor.doOop(transitiveInterfaces, true); |
duke@435 | 480 | visitor.doCInt(nofImplementors, true); |
duke@435 | 481 | for (int i = 0; i < IMPLEMENTORS_LIMIT; i++) |
duke@435 | 482 | visitor.doOop(implementors[i], true); |
duke@435 | 483 | visitor.doOop(fields, true); |
duke@435 | 484 | visitor.doOop(constants, true); |
duke@435 | 485 | visitor.doOop(classLoader, true); |
duke@435 | 486 | visitor.doOop(protectionDomain, true); |
duke@435 | 487 | visitor.doOop(signers, true); |
duke@435 | 488 | visitor.doOop(innerClasses, true); |
duke@435 | 489 | visitor.doCInt(nonstaticFieldSize, true); |
duke@435 | 490 | visitor.doCInt(staticFieldSize, true); |
never@2658 | 491 | visitor.doCInt(staticOopFieldCount, true); |
duke@435 | 492 | visitor.doCInt(nonstaticOopMapSize, true); |
duke@435 | 493 | visitor.doCInt(isMarkedDependent, true); |
duke@435 | 494 | visitor.doCInt(initState, true); |
duke@435 | 495 | visitor.doCInt(vtableLen, true); |
duke@435 | 496 | visitor.doCInt(itableLen, true); |
duke@435 | 497 | } |
never@2693 | 498 | } |
duke@435 | 499 | |
never@2693 | 500 | /* |
never@2693 | 501 | * Visit the static fields of this InstanceKlass with the obj of |
never@2693 | 502 | * the visitor set to the oop holding the fields, which is |
never@2693 | 503 | * currently the java mirror. |
never@2693 | 504 | */ |
never@2693 | 505 | public void iterateStaticFields(OopVisitor visitor) { |
never@2693 | 506 | visitor.setObj(getJavaMirror()); |
never@2693 | 507 | visitor.prologue(); |
never@2693 | 508 | iterateStaticFieldsInternal(visitor); |
never@2693 | 509 | visitor.epilogue(); |
never@2693 | 510 | |
never@2693 | 511 | } |
never@2693 | 512 | |
never@2693 | 513 | void iterateStaticFieldsInternal(OopVisitor visitor) { |
duke@435 | 514 | TypeArray fields = getFields(); |
never@3137 | 515 | int length = getJavaFieldsCount(); |
never@3137 | 516 | for (int index = 0; index < length; index += FIELD_SLOTS) { |
duke@435 | 517 | short accessFlags = fields.getShortAt(index + ACCESS_FLAGS_OFFSET); |
duke@435 | 518 | short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET); |
coleenp@2497 | 519 | FieldType type = new FieldType(getConstants().getSymbolAt(signatureIndex)); |
duke@435 | 520 | AccessFlags access = new AccessFlags(accessFlags); |
duke@435 | 521 | if (access.isStatic()) { |
duke@435 | 522 | visitField(visitor, type, index); |
duke@435 | 523 | } |
duke@435 | 524 | } |
duke@435 | 525 | } |
duke@435 | 526 | |
duke@435 | 527 | public Klass getJavaSuper() { |
duke@435 | 528 | return getSuper(); |
duke@435 | 529 | } |
duke@435 | 530 | |
never@3138 | 531 | public static class StaticField { |
never@3138 | 532 | public AccessFlags flags; |
never@3138 | 533 | public Field field; |
never@3138 | 534 | |
never@3138 | 535 | StaticField(Field field, AccessFlags flags) { |
never@3138 | 536 | this.field = field; |
never@3138 | 537 | this.flags = flags; |
never@3138 | 538 | } |
never@3138 | 539 | } |
never@3138 | 540 | |
never@2693 | 541 | public void iterateNonStaticFields(OopVisitor visitor, Oop obj) { |
duke@435 | 542 | if (getSuper() != null) { |
never@2693 | 543 | ((InstanceKlass) getSuper()).iterateNonStaticFields(visitor, obj); |
duke@435 | 544 | } |
duke@435 | 545 | TypeArray fields = getFields(); |
duke@435 | 546 | |
never@3137 | 547 | int length = getJavaFieldsCount(); |
never@3137 | 548 | for (int index = 0; index < length; index += FIELD_SLOTS) { |
duke@435 | 549 | short accessFlags = fields.getShortAt(index + ACCESS_FLAGS_OFFSET); |
duke@435 | 550 | short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET); |
duke@435 | 551 | |
coleenp@2497 | 552 | FieldType type = new FieldType(getConstants().getSymbolAt(signatureIndex)); |
duke@435 | 553 | AccessFlags access = new AccessFlags(accessFlags); |
duke@435 | 554 | if (!access.isStatic()) { |
duke@435 | 555 | visitField(visitor, type, index); |
duke@435 | 556 | } |
duke@435 | 557 | } |
duke@435 | 558 | } |
duke@435 | 559 | |
duke@435 | 560 | /** Field access by name. */ |
duke@435 | 561 | public Field findLocalField(Symbol name, Symbol sig) { |
duke@435 | 562 | TypeArray fields = getFields(); |
never@3137 | 563 | int length = (int) fields.getLength(); |
duke@435 | 564 | ConstantPool cp = getConstants(); |
never@3137 | 565 | for (int i = 0; i < length; i += FIELD_SLOTS) { |
duke@435 | 566 | int nameIndex = fields.getShortAt(i + NAME_INDEX_OFFSET); |
duke@435 | 567 | int sigIndex = fields.getShortAt(i + SIGNATURE_INDEX_OFFSET); |
duke@435 | 568 | Symbol f_name = cp.getSymbolAt(nameIndex); |
duke@435 | 569 | Symbol f_sig = cp.getSymbolAt(sigIndex); |
duke@435 | 570 | if (name.equals(f_name) && sig.equals(f_sig)) { |
duke@435 | 571 | return newField(i); |
duke@435 | 572 | } |
duke@435 | 573 | } |
duke@435 | 574 | |
duke@435 | 575 | return null; |
duke@435 | 576 | } |
duke@435 | 577 | |
duke@435 | 578 | /** Find field in direct superinterfaces. */ |
duke@435 | 579 | public Field findInterfaceField(Symbol name, Symbol sig) { |
duke@435 | 580 | ObjArray interfaces = getLocalInterfaces(); |
duke@435 | 581 | int n = (int) interfaces.getLength(); |
duke@435 | 582 | for (int i = 0; i < n; i++) { |
duke@435 | 583 | InstanceKlass intf1 = (InstanceKlass) interfaces.getObjAt(i); |
duke@435 | 584 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 585 | Assert.that(intf1.isInterface(), "just checking type"); |
duke@435 | 586 | } |
duke@435 | 587 | // search for field in current interface |
duke@435 | 588 | Field f = intf1.findLocalField(name, sig); |
duke@435 | 589 | if (f != null) { |
duke@435 | 590 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 591 | Assert.that(f.getAccessFlagsObj().isStatic(), "interface field must be static"); |
duke@435 | 592 | } |
duke@435 | 593 | return f; |
duke@435 | 594 | } |
duke@435 | 595 | // search for field in direct superinterfaces |
duke@435 | 596 | f = intf1.findInterfaceField(name, sig); |
duke@435 | 597 | if (f != null) return f; |
duke@435 | 598 | } |
duke@435 | 599 | // otherwise field lookup fails |
duke@435 | 600 | return null; |
duke@435 | 601 | } |
duke@435 | 602 | |
duke@435 | 603 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 604 | which the field is defined. */ |
duke@435 | 605 | public Field findField(Symbol name, Symbol sig) { |
duke@435 | 606 | // search order according to newest JVM spec (5.4.3.2, p.167). |
duke@435 | 607 | // 1) search for field in current klass |
duke@435 | 608 | Field f = findLocalField(name, sig); |
duke@435 | 609 | if (f != null) return f; |
duke@435 | 610 | |
duke@435 | 611 | // 2) search for field recursively in direct superinterfaces |
duke@435 | 612 | f = findInterfaceField(name, sig); |
duke@435 | 613 | if (f != null) return f; |
duke@435 | 614 | |
duke@435 | 615 | // 3) apply field lookup recursively if superclass exists |
duke@435 | 616 | InstanceKlass supr = (InstanceKlass) getSuper(); |
duke@435 | 617 | if (supr != null) return supr.findField(name, sig); |
duke@435 | 618 | |
duke@435 | 619 | // 4) otherwise field lookup fails |
duke@435 | 620 | return null; |
duke@435 | 621 | } |
duke@435 | 622 | |
duke@435 | 623 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 624 | which the field is defined (convenience routine) */ |
duke@435 | 625 | public Field findField(String name, String sig) { |
duke@435 | 626 | SymbolTable symbols = VM.getVM().getSymbolTable(); |
duke@435 | 627 | Symbol nameSym = symbols.probe(name); |
duke@435 | 628 | Symbol sigSym = symbols.probe(sig); |
duke@435 | 629 | if (nameSym == null || sigSym == null) { |
duke@435 | 630 | return null; |
duke@435 | 631 | } |
duke@435 | 632 | return findField(nameSym, sigSym); |
duke@435 | 633 | } |
duke@435 | 634 | |
duke@435 | 635 | /** Find field according to JVM spec 5.4.3.2, returns the klass in |
duke@435 | 636 | which the field is defined (retained only for backward |
duke@435 | 637 | compatibility with jdbx) */ |
duke@435 | 638 | public Field findFieldDbg(String name, String sig) { |
duke@435 | 639 | return findField(name, sig); |
duke@435 | 640 | } |
duke@435 | 641 | |
duke@435 | 642 | /** Get field by its index in the fields array. Only designed for |
duke@435 | 643 | use in a debugging system. */ |
duke@435 | 644 | public Field getFieldByIndex(int fieldArrayIndex) { |
duke@435 | 645 | return newField(fieldArrayIndex); |
duke@435 | 646 | } |
duke@435 | 647 | |
duke@435 | 648 | |
duke@435 | 649 | /** Return a List of SA Fields for the fields declared in this class. |
duke@435 | 650 | Inherited fields are not included. |
duke@435 | 651 | Return an empty list if there are no fields declared in this class. |
duke@435 | 652 | Only designed for use in a debugging system. */ |
duke@435 | 653 | public List getImmediateFields() { |
duke@435 | 654 | // A list of Fields for each field declared in this class/interface, |
duke@435 | 655 | // not including inherited fields. |
duke@435 | 656 | TypeArray fields = getFields(); |
duke@435 | 657 | |
never@3137 | 658 | int length = getJavaFieldsCount(); |
never@3137 | 659 | List immediateFields = new ArrayList(length); |
never@3137 | 660 | for (int index = 0; index < length; index += FIELD_SLOTS) { |
duke@435 | 661 | immediateFields.add(getFieldByIndex(index)); |
duke@435 | 662 | } |
duke@435 | 663 | |
duke@435 | 664 | return immediateFields; |
duke@435 | 665 | } |
duke@435 | 666 | |
duke@435 | 667 | /** Return a List of SA Fields for all the java fields in this class, |
duke@435 | 668 | including all inherited fields. This includes hidden |
duke@435 | 669 | fields. Thus the returned list can contain fields with |
duke@435 | 670 | the same name. |
duke@435 | 671 | Return an empty list if there are no fields. |
duke@435 | 672 | Only designed for use in a debugging system. */ |
duke@435 | 673 | public List getAllFields() { |
duke@435 | 674 | // Contains a Field for each field in this class, including immediate |
duke@435 | 675 | // fields and inherited fields. |
duke@435 | 676 | List allFields = getImmediateFields(); |
duke@435 | 677 | |
duke@435 | 678 | // transitiveInterfaces contains all interfaces implemented |
duke@435 | 679 | // by this class and its superclass chain with no duplicates. |
duke@435 | 680 | |
duke@435 | 681 | ObjArray interfaces = getTransitiveInterfaces(); |
duke@435 | 682 | int n = (int) interfaces.getLength(); |
duke@435 | 683 | for (int i = 0; i < n; i++) { |
duke@435 | 684 | InstanceKlass intf1 = (InstanceKlass) interfaces.getObjAt(i); |
duke@435 | 685 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 686 | Assert.that(intf1.isInterface(), "just checking type"); |
duke@435 | 687 | } |
duke@435 | 688 | allFields.addAll(intf1.getImmediateFields()); |
duke@435 | 689 | } |
duke@435 | 690 | |
duke@435 | 691 | // Get all fields in the superclass, recursively. But, don't |
duke@435 | 692 | // include fields in interfaces implemented by superclasses; |
duke@435 | 693 | // we already have all those. |
duke@435 | 694 | if (!isInterface()) { |
duke@435 | 695 | InstanceKlass supr; |
duke@435 | 696 | if ( (supr = (InstanceKlass) getSuper()) != null) { |
duke@435 | 697 | allFields.addAll(supr.getImmediateFields()); |
duke@435 | 698 | } |
duke@435 | 699 | } |
duke@435 | 700 | |
duke@435 | 701 | return allFields; |
duke@435 | 702 | } |
duke@435 | 703 | |
duke@435 | 704 | |
duke@435 | 705 | /** Return a List of SA Methods declared directly in this class/interface. |
duke@435 | 706 | Return an empty list if there are none, or if this isn't a class/ |
duke@435 | 707 | interface. |
duke@435 | 708 | */ |
duke@435 | 709 | public List getImmediateMethods() { |
duke@435 | 710 | // Contains a Method for each method declared in this class/interface |
duke@435 | 711 | // not including inherited methods. |
duke@435 | 712 | |
duke@435 | 713 | ObjArray methods = getMethods(); |
duke@435 | 714 | int length = (int)methods.getLength(); |
duke@435 | 715 | Object[] tmp = new Object[length]; |
duke@435 | 716 | |
duke@435 | 717 | TypeArray methodOrdering = getMethodOrdering(); |
duke@435 | 718 | if (methodOrdering.getLength() != length) { |
duke@435 | 719 | // no ordering info present |
duke@435 | 720 | for (int index = 0; index < length; index++) { |
duke@435 | 721 | tmp[index] = methods.getObjAt(index); |
duke@435 | 722 | } |
duke@435 | 723 | } else { |
duke@435 | 724 | for (int index = 0; index < length; index++) { |
duke@435 | 725 | int originalIndex = getMethodOrdering().getIntAt(index); |
duke@435 | 726 | tmp[originalIndex] = methods.getObjAt(index); |
duke@435 | 727 | } |
duke@435 | 728 | } |
duke@435 | 729 | |
duke@435 | 730 | return Arrays.asList(tmp); |
duke@435 | 731 | } |
duke@435 | 732 | |
duke@435 | 733 | /** Return a List containing an SA InstanceKlass for each |
duke@435 | 734 | interface named in this class's 'implements' clause. |
duke@435 | 735 | */ |
duke@435 | 736 | public List getDirectImplementedInterfaces() { |
duke@435 | 737 | // Contains an InstanceKlass for each interface in this classes |
duke@435 | 738 | // 'implements' clause. |
duke@435 | 739 | |
duke@435 | 740 | ObjArray interfaces = getLocalInterfaces(); |
duke@435 | 741 | int length = (int) interfaces.getLength(); |
duke@435 | 742 | List directImplementedInterfaces = new ArrayList(length); |
duke@435 | 743 | |
duke@435 | 744 | for (int index = 0; index < length; index ++) { |
duke@435 | 745 | directImplementedInterfaces.add(interfaces.getObjAt(index)); |
duke@435 | 746 | } |
duke@435 | 747 | |
duke@435 | 748 | return directImplementedInterfaces; |
duke@435 | 749 | } |
duke@435 | 750 | |
duke@435 | 751 | |
duke@435 | 752 | public long getObjectSize() { |
duke@435 | 753 | long bodySize = alignObjectOffset(getVtableLen() * getHeap().getOopSize()) |
duke@435 | 754 | + alignObjectOffset(getItableLen() * getHeap().getOopSize()) |
never@2658 | 755 | + (getNonstaticOopMapSize()) * getHeap().getOopSize(); |
duke@435 | 756 | return alignObjectSize(headerSize + bodySize); |
duke@435 | 757 | } |
duke@435 | 758 | |
duke@435 | 759 | public Klass arrayKlassImpl(boolean orNull, int n) { |
duke@435 | 760 | // FIXME: in reflective system this would need to change to |
duke@435 | 761 | // actually allocate |
duke@435 | 762 | if (getArrayKlasses() == null) { return null; } |
duke@435 | 763 | ObjArrayKlass oak = (ObjArrayKlass) getArrayKlasses(); |
duke@435 | 764 | if (orNull) { |
duke@435 | 765 | return oak.arrayKlassOrNull(n); |
duke@435 | 766 | } |
duke@435 | 767 | return oak.arrayKlass(n); |
duke@435 | 768 | } |
duke@435 | 769 | |
duke@435 | 770 | public Klass arrayKlassImpl(boolean orNull) { |
duke@435 | 771 | return arrayKlassImpl(orNull, 1); |
duke@435 | 772 | } |
duke@435 | 773 | |
duke@435 | 774 | public String signature() { |
duke@435 | 775 | return "L" + super.signature() + ";"; |
duke@435 | 776 | } |
duke@435 | 777 | |
duke@435 | 778 | /** Convenience routine taking Strings; lookup is done in |
duke@435 | 779 | SymbolTable. */ |
duke@435 | 780 | public Method findMethod(String name, String sig) { |
duke@435 | 781 | SymbolTable syms = VM.getVM().getSymbolTable(); |
duke@435 | 782 | Symbol nameSym = syms.probe(name); |
duke@435 | 783 | Symbol sigSym = syms.probe(sig); |
duke@435 | 784 | if (nameSym == null || sigSym == null) { |
duke@435 | 785 | return null; |
duke@435 | 786 | } |
duke@435 | 787 | return findMethod(nameSym, sigSym); |
duke@435 | 788 | } |
duke@435 | 789 | |
duke@435 | 790 | /** Find method in vtable. */ |
duke@435 | 791 | public Method findMethod(Symbol name, Symbol sig) { |
duke@435 | 792 | return findMethod(getMethods(), name, sig); |
duke@435 | 793 | } |
duke@435 | 794 | |
duke@435 | 795 | /** Breakpoint support (see methods on methodOop for details) */ |
duke@435 | 796 | public BreakpointInfo getBreakpoints() { |
duke@435 | 797 | Address addr = getHandle().getAddressAt(Oop.getHeaderSize() + breakpoints.getOffset()); |
duke@435 | 798 | return (BreakpointInfo) VMObjectFactory.newObject(BreakpointInfo.class, addr); |
duke@435 | 799 | } |
duke@435 | 800 | |
duke@435 | 801 | //---------------------------------------------------------------------- |
duke@435 | 802 | // Internals only below this point |
duke@435 | 803 | // |
duke@435 | 804 | |
duke@435 | 805 | private void visitField(OopVisitor visitor, FieldType type, int index) { |
duke@435 | 806 | Field f = newField(index); |
duke@435 | 807 | if (type.isOop()) { |
duke@435 | 808 | visitor.doOop((OopField) f, false); |
duke@435 | 809 | return; |
duke@435 | 810 | } |
duke@435 | 811 | if (type.isByte()) { |
duke@435 | 812 | visitor.doByte((ByteField) f, false); |
duke@435 | 813 | return; |
duke@435 | 814 | } |
duke@435 | 815 | if (type.isChar()) { |
duke@435 | 816 | visitor.doChar((CharField) f, false); |
duke@435 | 817 | return; |
duke@435 | 818 | } |
duke@435 | 819 | if (type.isDouble()) { |
duke@435 | 820 | visitor.doDouble((DoubleField) f, false); |
duke@435 | 821 | return; |
duke@435 | 822 | } |
duke@435 | 823 | if (type.isFloat()) { |
duke@435 | 824 | visitor.doFloat((FloatField) f, false); |
duke@435 | 825 | return; |
duke@435 | 826 | } |
duke@435 | 827 | if (type.isInt()) { |
duke@435 | 828 | visitor.doInt((IntField) f, false); |
duke@435 | 829 | return; |
duke@435 | 830 | } |
duke@435 | 831 | if (type.isLong()) { |
duke@435 | 832 | visitor.doLong((LongField) f, false); |
duke@435 | 833 | return; |
duke@435 | 834 | } |
duke@435 | 835 | if (type.isShort()) { |
duke@435 | 836 | visitor.doShort((ShortField) f, false); |
duke@435 | 837 | return; |
duke@435 | 838 | } |
duke@435 | 839 | if (type.isBoolean()) { |
duke@435 | 840 | visitor.doBoolean((BooleanField) f, false); |
duke@435 | 841 | return; |
duke@435 | 842 | } |
duke@435 | 843 | } |
duke@435 | 844 | |
duke@435 | 845 | // Creates new field from index in fields TypeArray |
duke@435 | 846 | private Field newField(int index) { |
duke@435 | 847 | TypeArray fields = getFields(); |
duke@435 | 848 | short signatureIndex = fields.getShortAt(index + SIGNATURE_INDEX_OFFSET); |
coleenp@2497 | 849 | FieldType type = new FieldType(getConstants().getSymbolAt(signatureIndex)); |
duke@435 | 850 | if (type.isOop()) { |
coleenp@548 | 851 | if (VM.getVM().isCompressedOopsEnabled()) { |
coleenp@548 | 852 | return new NarrowOopField(this, index); |
coleenp@548 | 853 | } else { |
coleenp@548 | 854 | return new OopField(this, index); |
coleenp@548 | 855 | } |
duke@435 | 856 | } |
duke@435 | 857 | if (type.isByte()) { |
duke@435 | 858 | return new ByteField(this, index); |
duke@435 | 859 | } |
duke@435 | 860 | if (type.isChar()) { |
duke@435 | 861 | return new CharField(this, index); |
duke@435 | 862 | } |
duke@435 | 863 | if (type.isDouble()) { |
duke@435 | 864 | return new DoubleField(this, index); |
duke@435 | 865 | } |
duke@435 | 866 | if (type.isFloat()) { |
duke@435 | 867 | return new FloatField(this, index); |
duke@435 | 868 | } |
duke@435 | 869 | if (type.isInt()) { |
duke@435 | 870 | return new IntField(this, index); |
duke@435 | 871 | } |
duke@435 | 872 | if (type.isLong()) { |
duke@435 | 873 | return new LongField(this, index); |
duke@435 | 874 | } |
duke@435 | 875 | if (type.isShort()) { |
duke@435 | 876 | return new ShortField(this, index); |
duke@435 | 877 | } |
duke@435 | 878 | if (type.isBoolean()) { |
duke@435 | 879 | return new BooleanField(this, index); |
duke@435 | 880 | } |
duke@435 | 881 | throw new RuntimeException("Illegal field type at index " + index); |
duke@435 | 882 | } |
duke@435 | 883 | |
duke@435 | 884 | private static Method findMethod(ObjArray methods, Symbol name, Symbol signature) { |
duke@435 | 885 | int len = (int) methods.getLength(); |
duke@435 | 886 | // methods are sorted, so do binary search |
duke@435 | 887 | int l = 0; |
duke@435 | 888 | int h = len - 1; |
duke@435 | 889 | while (l <= h) { |
duke@435 | 890 | int mid = (l + h) >> 1; |
duke@435 | 891 | Method m = (Method) methods.getObjAt(mid); |
duke@435 | 892 | int res = m.getName().fastCompare(name); |
duke@435 | 893 | if (res == 0) { |
duke@435 | 894 | // found matching name; do linear search to find matching signature |
duke@435 | 895 | // first, quick check for common case |
duke@435 | 896 | if (m.getSignature().equals(signature)) return m; |
duke@435 | 897 | // search downwards through overloaded methods |
duke@435 | 898 | int i; |
duke@435 | 899 | for (i = mid - 1; i >= l; i--) { |
duke@435 | 900 | Method m1 = (Method) methods.getObjAt(i); |
duke@435 | 901 | if (!m1.getName().equals(name)) break; |
duke@435 | 902 | if (m1.getSignature().equals(signature)) return m1; |
duke@435 | 903 | } |
duke@435 | 904 | // search upwards |
duke@435 | 905 | for (i = mid + 1; i <= h; i++) { |
duke@435 | 906 | Method m1 = (Method) methods.getObjAt(i); |
duke@435 | 907 | if (!m1.getName().equals(name)) break; |
duke@435 | 908 | if (m1.getSignature().equals(signature)) return m1; |
duke@435 | 909 | } |
duke@435 | 910 | // not found |
duke@435 | 911 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 912 | int index = linearSearch(methods, name, signature); |
duke@435 | 913 | if (index != -1) { |
duke@435 | 914 | throw new DebuggerException("binary search bug: should have found entry " + index); |
duke@435 | 915 | } |
duke@435 | 916 | } |
duke@435 | 917 | return null; |
duke@435 | 918 | } else if (res < 0) { |
duke@435 | 919 | l = mid + 1; |
duke@435 | 920 | } else { |
duke@435 | 921 | h = mid - 1; |
duke@435 | 922 | } |
duke@435 | 923 | } |
duke@435 | 924 | if (Assert.ASSERTS_ENABLED) { |
duke@435 | 925 | int index = linearSearch(methods, name, signature); |
duke@435 | 926 | if (index != -1) { |
duke@435 | 927 | throw new DebuggerException("binary search bug: should have found entry " + index); |
duke@435 | 928 | } |
duke@435 | 929 | } |
duke@435 | 930 | return null; |
duke@435 | 931 | } |
duke@435 | 932 | |
duke@435 | 933 | private static int linearSearch(ObjArray methods, Symbol name, Symbol signature) { |
duke@435 | 934 | int len = (int) methods.getLength(); |
duke@435 | 935 | for (int index = 0; index < len; index++) { |
duke@435 | 936 | Method m = (Method) methods.getObjAt(index); |
duke@435 | 937 | if (m.getSignature().equals(signature) && m.getName().equals(name)) { |
duke@435 | 938 | return index; |
duke@435 | 939 | } |
duke@435 | 940 | } |
duke@435 | 941 | return -1; |
duke@435 | 942 | } |
duke@435 | 943 | } |