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/*
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* Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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package sun.jvm.hotspot;
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import java.io.*;
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import java.util.*;
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import sun.jvm.hotspot.debugger.*;
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import sun.jvm.hotspot.types.*;
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import sun.jvm.hotspot.types.basic.*;
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import sun.jvm.hotspot.utilities.*;
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/** <P> This is the cross-platform TypeDataBase used by the Oop
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hierarchy. The decision was made to make this cross-platform by
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having the VM export the necessary symbols via a built-in table;
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see src/share/vm/runtime/vmStructs.[ch]pp for more details. </P>
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<P> <B>WARNING</B>: clients should refer to this class through the
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TypeDataBase interface and not directly to the HotSpotTypeDataBase
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type. </P>
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<P> NOTE: since we are fetching the sizes of the Java primitive types
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*/
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public class HotSpotTypeDataBase extends BasicTypeDataBase {
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private Debugger symbolLookup;
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private String[] jvmLibNames;
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private static final int UNINITIALIZED_SIZE = -1;
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private static final int C_INT8_SIZE = 1;
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private static final int C_INT32_SIZE = 4;
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private static final int C_INT64_SIZE = 8;
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private static final boolean DEBUG;
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static {
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DEBUG = System.getProperty("sun.jvm.hotspot.HotSpotTypeDataBase.DEBUG")
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!= null;
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}
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/** <P> This requires a SymbolLookup mechanism as well as the
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MachineDescription. Note that we do not need a NameMangler since
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we use the vmStructs mechanism to avoid looking up C++
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symbols. </P>
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<P> NOTE that it is guaranteed that this constructor will not
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attempt to fetch any Java values from the remote process, only C
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integers and addresses. This is required because we are fetching
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the sizes of the Java primitive types from the remote process,
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implying that attempting to fetch them before their sizes are
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known is illegal. </P>
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<P> Throws NoSuchSymbolException if a problem occurred while
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looking up one of the bootstrapping symbols related to the
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VMStructs table in the remote VM; this may indicate that the
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remote process is not actually a HotSpot VM. </P>
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*/
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public HotSpotTypeDataBase(MachineDescription machDesc,
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VtblAccess vtblAccess,
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Debugger symbolLookup,
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String[] jvmLibNames) throws NoSuchSymbolException {
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super(machDesc, vtblAccess);
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this.symbolLookup = symbolLookup;
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this.jvmLibNames = jvmLibNames;
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readVMTypes();
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initializePrimitiveTypes();
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readVMStructs();
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readVMIntConstants();
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readVMLongConstants();
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}
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private void readVMTypes() {
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// Get the variables we need in order to traverse the VMTypeEntry[]
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long typeEntryTypeNameOffset;
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long typeEntrySuperclassNameOffset;
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long typeEntryIsOopTypeOffset;
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long typeEntryIsIntegerTypeOffset;
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long typeEntryIsUnsignedOffset;
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long typeEntrySizeOffset;
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long typeEntryArrayStride;
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typeEntryTypeNameOffset = getLongValueFromProcess("gHotSpotVMTypeEntryTypeNameOffset");
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typeEntrySuperclassNameOffset = getLongValueFromProcess("gHotSpotVMTypeEntrySuperclassNameOffset");
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typeEntryIsOopTypeOffset = getLongValueFromProcess("gHotSpotVMTypeEntryIsOopTypeOffset");
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typeEntryIsIntegerTypeOffset = getLongValueFromProcess("gHotSpotVMTypeEntryIsIntegerTypeOffset");
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typeEntryIsUnsignedOffset = getLongValueFromProcess("gHotSpotVMTypeEntryIsUnsignedOffset");
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typeEntrySizeOffset = getLongValueFromProcess("gHotSpotVMTypeEntrySizeOffset");
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typeEntryArrayStride = getLongValueFromProcess("gHotSpotVMTypeEntryArrayStride");
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// Fetch the address of the VMTypeEntry*
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Address entryAddr = lookupInProcess("gHotSpotVMTypes");
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// System.err.println("gHotSpotVMTypes address = " + entryAddr);
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// Dereference this once to get the pointer to the first VMTypeEntry
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// dumpMemory(entryAddr, 80);
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entryAddr = entryAddr.getAddressAt(0);
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if (entryAddr == null) {
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throw new RuntimeException("gHotSpotVMTypes was not initialized properly in the remote process; can not continue");
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}
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// Start iterating down it until we find an entry with no name
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Address typeNameAddr = null;
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do {
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// Fetch the type name first
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typeNameAddr = entryAddr.getAddressAt(typeEntryTypeNameOffset);
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if (typeNameAddr != null) {
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String typeName = CStringUtilities.getString(typeNameAddr);
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String superclassName = null;
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Address superclassNameAddr = entryAddr.getAddressAt(typeEntrySuperclassNameOffset);
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if (superclassNameAddr != null) {
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superclassName = CStringUtilities.getString(superclassNameAddr);
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}
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boolean isOopType = (entryAddr.getCIntegerAt(typeEntryIsOopTypeOffset, C_INT32_SIZE, false) != 0);
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boolean isIntegerType = (entryAddr.getCIntegerAt(typeEntryIsIntegerTypeOffset, C_INT32_SIZE, false) != 0);
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boolean isUnsigned = (entryAddr.getCIntegerAt(typeEntryIsUnsignedOffset, C_INT32_SIZE, false) != 0);
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long size = entryAddr.getCIntegerAt(typeEntrySizeOffset, C_INT64_SIZE, true);
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createType(typeName, superclassName, isOopType, isIntegerType, isUnsigned, size);
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}
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entryAddr = entryAddr.addOffsetTo(typeEntryArrayStride);
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} while (typeNameAddr != null);
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}
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private void initializePrimitiveTypes() {
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// Look up the needed primitive types by name...they had better be present
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setJBooleanType(lookupPrimitiveType("jboolean"));
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setJByteType (lookupPrimitiveType("jbyte"));
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setJCharType (lookupPrimitiveType("jchar"));
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setJDoubleType (lookupPrimitiveType("jdouble"));
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setJFloatType (lookupPrimitiveType("jfloat"));
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setJIntType (lookupPrimitiveType("jint"));
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setJLongType (lookupPrimitiveType("jlong"));
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setJShortType (lookupPrimitiveType("jshort"));
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// Indicate that these are the Java primitive types
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((BasicType) getJBooleanType()).setIsJavaPrimitiveType(true);
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((BasicType) getJByteType()).setIsJavaPrimitiveType(true);
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((BasicType) getJCharType()).setIsJavaPrimitiveType(true);
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((BasicType) getJDoubleType()).setIsJavaPrimitiveType(true);
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((BasicType) getJFloatType()).setIsJavaPrimitiveType(true);
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((BasicType) getJIntType()).setIsJavaPrimitiveType(true);
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((BasicType) getJLongType()).setIsJavaPrimitiveType(true);
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((BasicType) getJShortType()).setIsJavaPrimitiveType(true);
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}
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private Type lookupPrimitiveType(String typeName) {
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Type type = lookupType(typeName, false);
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if (type == null) {
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throw new RuntimeException("Error initializing the HotSpotDataBase: could not find the primitive type \"" +
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typeName + "\" in the remote VM's VMStructs table. This type is required in " +
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"order to determine the size of Java primitive types. Can not continue.");
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}
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return type;
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}
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private void readVMStructs() {
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// Get the variables we need in order to traverse the VMStructEntry[]
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long structEntryTypeNameOffset;
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long structEntryFieldNameOffset;
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long structEntryTypeStringOffset;
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long structEntryIsStaticOffset;
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long structEntryOffsetOffset;
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long structEntryAddressOffset;
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long structEntryArrayStride;
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structEntryTypeNameOffset = getLongValueFromProcess("gHotSpotVMStructEntryTypeNameOffset");
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structEntryFieldNameOffset = getLongValueFromProcess("gHotSpotVMStructEntryFieldNameOffset");
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structEntryTypeStringOffset = getLongValueFromProcess("gHotSpotVMStructEntryTypeStringOffset");
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structEntryIsStaticOffset = getLongValueFromProcess("gHotSpotVMStructEntryIsStaticOffset");
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structEntryOffsetOffset = getLongValueFromProcess("gHotSpotVMStructEntryOffsetOffset");
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structEntryAddressOffset = getLongValueFromProcess("gHotSpotVMStructEntryAddressOffset");
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structEntryArrayStride = getLongValueFromProcess("gHotSpotVMStructEntryArrayStride");
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// Fetch the address of the VMStructEntry*
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Address entryAddr = lookupInProcess("gHotSpotVMStructs");
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// Dereference this once to get the pointer to the first VMStructEntry
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entryAddr = entryAddr.getAddressAt(0);
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if (entryAddr == null) {
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throw new RuntimeException("gHotSpotVMStructs was not initialized properly in the remote process; can not continue");
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}
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// Start iterating down it until we find an entry with no name
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Address fieldNameAddr = null;
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String typeName = null;
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String fieldName = null;
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String typeString = null;
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boolean isStatic = false;
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long offset = 0;
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Address staticFieldAddr = null;
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long size = 0;
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long index = 0;
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String opaqueName = "<opaque>";
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lookupOrCreateClass(opaqueName, false, false, false);
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do {
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// Fetch the field name first
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fieldNameAddr = entryAddr.getAddressAt(structEntryFieldNameOffset);
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if (fieldNameAddr != null) {
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fieldName = CStringUtilities.getString(fieldNameAddr);
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// Now the rest of the names. Keep in mind that the type name
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// may be NULL, indicating that the type is opaque.
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Address addr = entryAddr.getAddressAt(structEntryTypeNameOffset);
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if (addr == null) {
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throw new RuntimeException("gHotSpotVMStructs unexpectedly had a NULL type name at index " + index);
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}
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typeName = CStringUtilities.getString(addr);
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addr = entryAddr.getAddressAt(structEntryTypeStringOffset);
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if (addr == null) {
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typeString = opaqueName;
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} else {
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typeString = CStringUtilities.getString(addr);
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}
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isStatic = !(entryAddr.getCIntegerAt(structEntryIsStaticOffset, C_INT32_SIZE, false) == 0);
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if (isStatic) {
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staticFieldAddr = entryAddr.getAddressAt(structEntryAddressOffset);
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offset = 0;
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} else {
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offset = entryAddr.getCIntegerAt(structEntryOffsetOffset, C_INT64_SIZE, true);
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staticFieldAddr = null;
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}
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// The containing Type must already be in the database -- no exceptions
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BasicType containingType = lookupOrFail(typeName);
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// The field's Type must already be in the database -- no exceptions
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BasicType fieldType = lookupOrFail(typeString);
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// Create field by type
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createField(containingType, fieldName, fieldType,
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isStatic, offset, staticFieldAddr);
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}
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++index;
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entryAddr = entryAddr.addOffsetTo(structEntryArrayStride);
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} while (fieldNameAddr != null);
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}
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private void readVMIntConstants() {
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// Get the variables we need in order to traverse the VMIntConstantEntry[]
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long intConstantEntryNameOffset;
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long intConstantEntryValueOffset;
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long intConstantEntryArrayStride;
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intConstantEntryNameOffset = getLongValueFromProcess("gHotSpotVMIntConstantEntryNameOffset");
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intConstantEntryValueOffset = getLongValueFromProcess("gHotSpotVMIntConstantEntryValueOffset");
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intConstantEntryArrayStride = getLongValueFromProcess("gHotSpotVMIntConstantEntryArrayStride");
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// Fetch the address of the VMIntConstantEntry*
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Address entryAddr = lookupInProcess("gHotSpotVMIntConstants");
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// Dereference this once to get the pointer to the first VMIntConstantEntry
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entryAddr = entryAddr.getAddressAt(0);
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if (entryAddr == null) {
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throw new RuntimeException("gHotSpotVMIntConstants was not initialized properly in the remote process; can not continue");
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}
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// Start iterating down it until we find an entry with no name
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Address nameAddr = null;
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do {
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// Fetch the type name first
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nameAddr = entryAddr.getAddressAt(intConstantEntryNameOffset);
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if (nameAddr != null) {
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String name = CStringUtilities.getString(nameAddr);
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int value = (int) entryAddr.getCIntegerAt(intConstantEntryValueOffset, C_INT32_SIZE, false);
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// Be a little resilient
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Integer oldValue = lookupIntConstant(name, false);
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if (oldValue == null) {
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addIntConstant(name, value);
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} else {
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if (oldValue.intValue() != value) {
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throw new RuntimeException("Error: the integer constant \"" + name +
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"\" had its value redefined (old was " + oldValue +
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", new is " + value + ". Aborting.");
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} else {
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System.err.println("Warning: the int constant \"" + name + "\" (declared in the remote VM in VMStructs::localHotSpotVMIntConstants) " +
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"had its value declared as " + value + " twice. Continuing.");
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}
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}
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}
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entryAddr = entryAddr.addOffsetTo(intConstantEntryArrayStride);
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} while (nameAddr != null);
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}
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private void readVMLongConstants() {
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// Get the variables we need in order to traverse the VMLongConstantEntry[]
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long longConstantEntryNameOffset;
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long longConstantEntryValueOffset;
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long longConstantEntryArrayStride;
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longConstantEntryNameOffset = getLongValueFromProcess("gHotSpotVMLongConstantEntryNameOffset");
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longConstantEntryValueOffset = getLongValueFromProcess("gHotSpotVMLongConstantEntryValueOffset");
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longConstantEntryArrayStride = getLongValueFromProcess("gHotSpotVMLongConstantEntryArrayStride");
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// Fetch the address of the VMLongConstantEntry*
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Address entryAddr = lookupInProcess("gHotSpotVMLongConstants");
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// Dereference this once to get the pointer to the first VMLongConstantEntry
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entryAddr = entryAddr.getAddressAt(0);
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if (entryAddr == null) {
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throw new RuntimeException("gHotSpotVMLongConstants was not initialized properly in the remote process; can not continue");
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}
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// Start iterating down it until we find an entry with no name
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Address nameAddr = null;
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do {
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// Fetch the type name first
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nameAddr = entryAddr.getAddressAt(longConstantEntryNameOffset);
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if (nameAddr != null) {
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String name = CStringUtilities.getString(nameAddr);
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int value = (int) entryAddr.getCIntegerAt(longConstantEntryValueOffset, C_INT64_SIZE, true);
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// Be a little resilient
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Long oldValue = lookupLongConstant(name, false);
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if (oldValue == null) {
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addLongConstant(name, value);
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} else {
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if (oldValue.longValue() != value) {
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throw new RuntimeException("Error: the long constant \"" + name +
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"\" had its value redefined (old was " + oldValue +
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", new is " + value + ". Aborting.");
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} else {
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System.err.println("Warning: the long constant \"" + name + "\" (declared in the remote VM in VMStructs::localHotSpotVMLongConstants) " +
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"had its value declared as " + value + " twice. Continuing.");
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}
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}
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}
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entryAddr = entryAddr.addOffsetTo(longConstantEntryArrayStride);
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} while (nameAddr != null);
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}
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private BasicType lookupOrFail(String typeName) {
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BasicType type = (BasicType) lookupType(typeName, false);
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if (type == null) {
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throw new RuntimeException("Type \"" + typeName + "\", referenced in VMStructs::localHotSpotVMStructs in the remote VM, " +
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"was not present in the remote VMStructs::localHotSpotVMTypes table (should have been caught " +
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"in the debug build of that VM). Can not continue.");
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}
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return type;
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}
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private long getLongValueFromProcess(String symbol) {
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return lookupInProcess(symbol).getCIntegerAt(0, C_INT64_SIZE, true);
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}
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private Address lookupInProcess(String symbol) throws NoSuchSymbolException {
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// FIXME: abstract away the loadobject name
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for (int i = 0; i < jvmLibNames.length; i++) {
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Address addr = symbolLookup.lookup(jvmLibNames[i], symbol);
|
|
376 |
if (addr != null) {
|
|
377 |
return addr;
|
|
378 |
}
|
|
379 |
}
|
|
380 |
String errStr = "(";
|
|
381 |
for (int i = 0; i < jvmLibNames.length; i++) {
|
|
382 |
errStr += jvmLibNames[i];
|
|
383 |
if (i < jvmLibNames.length - 1) {
|
|
384 |
errStr += ", ";
|
|
385 |
}
|
|
386 |
}
|
|
387 |
errStr += ")";
|
|
388 |
throw new NoSuchSymbolException(symbol,
|
|
389 |
"Could not find symbol \"" + symbol +
|
|
390 |
"\" in any of the known library names " +
|
|
391 |
errStr);
|
|
392 |
}
|
|
393 |
|
|
394 |
private BasicType lookupOrCreateClass(String typeName, boolean isOopType,
|
|
395 |
boolean isIntegerType, boolean isUnsigned) {
|
|
396 |
BasicType type = (BasicType) lookupType(typeName, false);
|
|
397 |
if (type == null) {
|
|
398 |
// Create a new type
|
|
399 |
type = createBasicType(typeName, isOopType, isIntegerType, isUnsigned);
|
|
400 |
}
|
|
401 |
return type;
|
|
402 |
}
|
|
403 |
|
|
404 |
/** Creates a new BasicType, initializes its size to -1 so we can
|
|
405 |
test to ensure that all types' sizes are initialized by VMTypes,
|
|
406 |
and adds it to the database. Takes care of initializing integer
|
|
407 |
and oop types properly. */
|
|
408 |
private BasicType createBasicType(String typeName, boolean isOopType,
|
|
409 |
boolean isIntegerType, boolean isUnsigned) {
|
|
410 |
|
|
411 |
BasicType type = null;
|
|
412 |
|
|
413 |
if (isIntegerType) {
|
|
414 |
type = new BasicCIntegerType(this, typeName, isUnsigned);
|
|
415 |
} else {
|
|
416 |
if (typeNameIsPointerType(typeName)) {
|
|
417 |
type = recursiveCreateBasicPointerType(typeName);
|
|
418 |
} else {
|
|
419 |
type = new BasicType(this, typeName);
|
|
420 |
}
|
|
421 |
|
|
422 |
if (isOopType) {
|
|
423 |
// HACK: turn markOop into a C integer type. This allows
|
|
424 |
// proper handling of it in the Serviceability Agent. (FIXME
|
|
425 |
// -- consider doing something different here)
|
|
426 |
if (typeName.equals("markOop")) {
|
|
427 |
type = new BasicCIntegerType(this, typeName, true);
|
|
428 |
} else {
|
|
429 |
type.setIsOopType(true);
|
|
430 |
}
|
|
431 |
}
|
|
432 |
}
|
|
433 |
|
|
434 |
type.setSize(UNINITIALIZED_SIZE);
|
|
435 |
addType(type);
|
|
436 |
return type;
|
|
437 |
}
|
|
438 |
|
|
439 |
/** Recursively creates a PointerType from the string representation
|
|
440 |
of the type's name. Note that this currently needs some
|
|
441 |
workarounds due to incomplete information in the VMStructs
|
|
442 |
database. */
|
|
443 |
private BasicPointerType recursiveCreateBasicPointerType(String typeName) {
|
|
444 |
String targetTypeName = typeName.substring(0, typeName.lastIndexOf('*')).trim();
|
|
445 |
Type targetType = null;
|
|
446 |
if (typeNameIsPointerType(targetTypeName)) {
|
|
447 |
targetType = recursiveCreateBasicPointerType(targetTypeName);
|
|
448 |
} else {
|
|
449 |
targetType = lookupType(targetTypeName, false);
|
|
450 |
if (targetType == null) {
|
|
451 |
// Workaround for missing C integer types in database.
|
|
452 |
// Also looks like we can't throw an exception for other
|
|
453 |
// missing target types because there are some in old
|
|
454 |
// VMStructs tables that didn't have the target type declared.
|
|
455 |
// For this case, we create basic types that never get filled
|
|
456 |
// in.
|
|
457 |
|
|
458 |
if (targetTypeName.equals("char") ||
|
|
459 |
targetTypeName.equals("const char")) {
|
|
460 |
// We don't have a representation of const-ness of C types in the SA
|
|
461 |
BasicType basicTargetType = createBasicType(targetTypeName, false, true, false);
|
|
462 |
basicTargetType.setSize(1);
|
|
463 |
targetType = basicTargetType;
|
|
464 |
} else if (targetTypeName.equals("u_char")) {
|
|
465 |
BasicType basicTargetType = createBasicType(targetTypeName, false, true, true);
|
|
466 |
basicTargetType.setSize(1);
|
|
467 |
targetType = basicTargetType;
|
|
468 |
} else {
|
|
469 |
if (DEBUG) {
|
|
470 |
System.err.println("WARNING: missing target type \"" + targetTypeName + "\" for pointer type \"" + typeName + "\"");
|
|
471 |
}
|
|
472 |
targetType = createBasicType(targetTypeName, false, false, false);
|
|
473 |
}
|
|
474 |
}
|
|
475 |
}
|
|
476 |
return new BasicPointerType(this, typeName, targetType);
|
|
477 |
}
|
|
478 |
|
|
479 |
private boolean typeNameIsPointerType(String typeName) {
|
|
480 |
int i = typeName.length() - 1;
|
|
481 |
while (i >= 0 && Character.isWhitespace(typeName.charAt(i))) {
|
|
482 |
--i;
|
|
483 |
}
|
|
484 |
if (i >= 0 && typeName.charAt(i) == '*') {
|
|
485 |
return true;
|
|
486 |
}
|
|
487 |
return false;
|
|
488 |
}
|
|
489 |
|
|
490 |
public void createType(String typeName, String superclassName,
|
|
491 |
boolean isOopType, boolean isIntegerType,
|
|
492 |
boolean isUnsigned, long size) {
|
|
493 |
// See whether we have a superclass
|
|
494 |
BasicType superclass = null;
|
|
495 |
if (superclassName != null) {
|
|
496 |
// Fetch or create it (FIXME: would get oop types wrong if
|
|
497 |
// they had a hierarchy; consider using lookupOrFail)
|
|
498 |
superclass = lookupOrCreateClass(superclassName, false, false, false);
|
|
499 |
}
|
|
500 |
|
|
501 |
// Lookup or create the current type
|
|
502 |
BasicType curType = lookupOrCreateClass(typeName, isOopType, isIntegerType, isUnsigned);
|
|
503 |
// Set superclass and/or ensure it's correct
|
|
504 |
if (superclass != null) {
|
|
505 |
if (curType.getSuperclass() == null) {
|
|
506 |
// Set the superclass in the current type
|
|
507 |
curType.setSuperclass(superclass);
|
|
508 |
}
|
|
509 |
|
|
510 |
if (curType.getSuperclass() != superclass) {
|
|
511 |
throw new RuntimeException("Error: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " +
|
|
512 |
"had its superclass redefined (old was " + curType.getSuperclass().getName() + ", new is " +
|
|
513 |
superclass.getName() + ").");
|
|
514 |
}
|
|
515 |
}
|
|
516 |
|
|
517 |
// Classes are created with a size of UNINITIALIZED_SIZE.
|
|
518 |
// Set size if necessary.
|
|
519 |
if (curType.getSize() == UNINITIALIZED_SIZE) {
|
|
520 |
curType.setSize(size);
|
|
521 |
} else {
|
|
522 |
if (curType.getSize() != size) {
|
|
523 |
throw new RuntimeException("Error: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " +
|
|
524 |
"had its size redefined (old was " + curType.getSize() + ", new is " + size + ").");
|
|
525 |
}
|
|
526 |
|
|
527 |
System.err.println("Warning: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " +
|
|
528 |
"had its size declared as " + size + " twice. Continuing.");
|
|
529 |
}
|
|
530 |
|
|
531 |
}
|
|
532 |
|
|
533 |
/** "Virtual constructor" for fields based on type */
|
|
534 |
public void createField(BasicType containingType,
|
|
535 |
String name, Type type, boolean isStatic,
|
|
536 |
long offset, Address staticFieldAddress) {
|
|
537 |
// Add field to containing type
|
|
538 |
containingType.addField(internalCreateField(containingType, name, type, isStatic, offset, staticFieldAddress));
|
|
539 |
}
|
|
540 |
|
|
541 |
Field internalCreateField(BasicType containingType,
|
|
542 |
String name, Type type, boolean isStatic,
|
|
543 |
long offset, Address staticFieldAddress) {
|
|
544 |
// "Virtual constructor" based on type
|
|
545 |
if (type.isOopType()) {
|
|
546 |
return new BasicOopField(this, containingType, name, type,
|
|
547 |
isStatic, offset, staticFieldAddress);
|
|
548 |
}
|
|
549 |
|
|
550 |
if (type instanceof CIntegerType) {
|
|
551 |
return new BasicCIntegerField(this, containingType, name, type,
|
|
552 |
isStatic, offset, staticFieldAddress);
|
|
553 |
}
|
|
554 |
|
|
555 |
if (type.equals(getJBooleanType())) {
|
|
556 |
return new BasicJBooleanField(this, containingType, name, type,
|
|
557 |
isStatic, offset, staticFieldAddress);
|
|
558 |
}
|
|
559 |
|
|
560 |
if (type.equals(getJByteType())) {
|
|
561 |
return new BasicJByteField(this, containingType, name, type,
|
|
562 |
isStatic, offset, staticFieldAddress);
|
|
563 |
}
|
|
564 |
|
|
565 |
if (type.equals(getJCharType())) {
|
|
566 |
return new BasicJCharField(this, containingType, name, type,
|
|
567 |
isStatic, offset, staticFieldAddress);
|
|
568 |
}
|
|
569 |
|
|
570 |
if (type.equals(getJDoubleType())) {
|
|
571 |
return new BasicJDoubleField(this, containingType, name, type,
|
|
572 |
isStatic, offset, staticFieldAddress);
|
|
573 |
}
|
|
574 |
|
|
575 |
if (type.equals(getJFloatType())) {
|
|
576 |
return new BasicJFloatField(this, containingType, name, type,
|
|
577 |
isStatic, offset, staticFieldAddress);
|
|
578 |
}
|
|
579 |
|
|
580 |
if (type.equals(getJIntType())) {
|
|
581 |
return new BasicJIntField(this, containingType, name, type,
|
|
582 |
isStatic, offset, staticFieldAddress);
|
|
583 |
}
|
|
584 |
|
|
585 |
if (type.equals(getJLongType())) {
|
|
586 |
return new BasicJLongField(this, containingType, name, type,
|
|
587 |
isStatic, offset, staticFieldAddress);
|
|
588 |
}
|
|
589 |
|
|
590 |
if (type.equals(getJShortType())) {
|
|
591 |
return new BasicJShortField(this, containingType, name, type,
|
|
592 |
isStatic, offset, staticFieldAddress);
|
|
593 |
}
|
|
594 |
|
|
595 |
// Unknown ("opaque") type. Instantiate ordinary Field.
|
|
596 |
return new BasicField(this, containingType, name, type,
|
|
597 |
isStatic, offset, staticFieldAddress);
|
|
598 |
}
|
|
599 |
|
|
600 |
// For debugging
|
|
601 |
private void dumpMemory(Address addr, int len) {
|
|
602 |
int i = 0;
|
|
603 |
while (i < len) {
|
|
604 |
System.err.print(addr.addOffsetTo(i) + ":");
|
|
605 |
for (int j = 0; j < 8 && i < len; i++, j++) {
|
|
606 |
String s = Long.toHexString(addr.getCIntegerAt(i, 1, true));
|
|
607 |
System.err.print(" 0x");
|
|
608 |
for (int k = 0; k < 2 - s.length(); k++) {
|
|
609 |
System.err.print("0");
|
|
610 |
}
|
|
611 |
System.err.print(s);
|
|
612 |
}
|
|
613 |
System.err.println();
|
|
614 |
}
|
|
615 |
}
|
|
616 |
}
|