author | coleenp |
Sun, 13 Apr 2008 17:43:42 -0400 | |
changeset 360 | 21d113ecbf6a |
parent 1 | 489c9b5090e2 |
child 670 | ddf3e9583f2f |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright 2000-2005 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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250 |
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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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273 |
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274 |
// 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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278 |
if (entryAddr == null) { |
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279 |
throw new RuntimeException("gHotSpotVMIntConstants was not initialized properly in the remote process; can not continue"); |
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} |
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281 |
||
282 |
// Start iterating down it until we find an entry with no name |
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Address nameAddr = null; |
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284 |
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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290 |
||
291 |
// 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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296 |
if (oldValue.intValue() != value) { |
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297 |
throw new RuntimeException("Error: the integer constant \"" + name + |
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298 |
"\" had its value redefined (old was " + oldValue + |
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299 |
", new is " + value + ". Aborting."); |
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300 |
} 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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302 |
"had its value declared as " + value + " twice. Continuing."); |
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303 |
} |
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304 |
} |
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305 |
} |
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306 |
||
307 |
entryAddr = entryAddr.addOffsetTo(intConstantEntryArrayStride); |
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} while (nameAddr != null); |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
309 |
String symbol = "heapOopSize"; // global int constant and value is initialized at runtime. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
310 |
addIntConstant(symbol, (int)lookupInProcess(symbol).getCIntegerAt(0, 4, false)); |
1 | 311 |
} |
312 |
||
313 |
private void readVMLongConstants() { |
|
314 |
// Get the variables we need in order to traverse the VMLongConstantEntry[] |
|
315 |
long longConstantEntryNameOffset; |
|
316 |
long longConstantEntryValueOffset; |
|
317 |
long longConstantEntryArrayStride; |
|
318 |
||
319 |
longConstantEntryNameOffset = getLongValueFromProcess("gHotSpotVMLongConstantEntryNameOffset"); |
|
320 |
longConstantEntryValueOffset = getLongValueFromProcess("gHotSpotVMLongConstantEntryValueOffset"); |
|
321 |
longConstantEntryArrayStride = getLongValueFromProcess("gHotSpotVMLongConstantEntryArrayStride"); |
|
322 |
||
323 |
// Fetch the address of the VMLongConstantEntry* |
|
324 |
Address entryAddr = lookupInProcess("gHotSpotVMLongConstants"); |
|
325 |
// Dereference this once to get the pointer to the first VMLongConstantEntry |
|
326 |
entryAddr = entryAddr.getAddressAt(0); |
|
327 |
if (entryAddr == null) { |
|
328 |
throw new RuntimeException("gHotSpotVMLongConstants was not initialized properly in the remote process; can not continue"); |
|
329 |
} |
|
330 |
||
331 |
// Start iterating down it until we find an entry with no name |
|
332 |
Address nameAddr = null; |
|
333 |
do { |
|
334 |
// Fetch the type name first |
|
335 |
nameAddr = entryAddr.getAddressAt(longConstantEntryNameOffset); |
|
336 |
if (nameAddr != null) { |
|
337 |
String name = CStringUtilities.getString(nameAddr); |
|
338 |
int value = (int) entryAddr.getCIntegerAt(longConstantEntryValueOffset, C_INT64_SIZE, true); |
|
339 |
||
340 |
// Be a little resilient |
|
341 |
Long oldValue = lookupLongConstant(name, false); |
|
342 |
if (oldValue == null) { |
|
343 |
addLongConstant(name, value); |
|
344 |
} else { |
|
345 |
if (oldValue.longValue() != value) { |
|
346 |
throw new RuntimeException("Error: the long constant \"" + name + |
|
347 |
"\" had its value redefined (old was " + oldValue + |
|
348 |
", new is " + value + ". Aborting."); |
|
349 |
} else { |
|
350 |
System.err.println("Warning: the long constant \"" + name + "\" (declared in the remote VM in VMStructs::localHotSpotVMLongConstants) " + |
|
351 |
"had its value declared as " + value + " twice. Continuing."); |
|
352 |
} |
|
353 |
} |
|
354 |
} |
|
355 |
||
356 |
entryAddr = entryAddr.addOffsetTo(longConstantEntryArrayStride); |
|
357 |
} while (nameAddr != null); |
|
358 |
} |
|
359 |
||
360 |
private BasicType lookupOrFail(String typeName) { |
|
361 |
BasicType type = (BasicType) lookupType(typeName, false); |
|
362 |
if (type == null) { |
|
363 |
throw new RuntimeException("Type \"" + typeName + "\", referenced in VMStructs::localHotSpotVMStructs in the remote VM, " + |
|
364 |
"was not present in the remote VMStructs::localHotSpotVMTypes table (should have been caught " + |
|
365 |
"in the debug build of that VM). Can not continue."); |
|
366 |
} |
|
367 |
return type; |
|
368 |
} |
|
369 |
||
370 |
private long getLongValueFromProcess(String symbol) { |
|
371 |
return lookupInProcess(symbol).getCIntegerAt(0, C_INT64_SIZE, true); |
|
372 |
} |
|
373 |
||
374 |
private Address lookupInProcess(String symbol) throws NoSuchSymbolException { |
|
375 |
// FIXME: abstract away the loadobject name |
|
376 |
for (int i = 0; i < jvmLibNames.length; i++) { |
|
377 |
Address addr = symbolLookup.lookup(jvmLibNames[i], symbol); |
|
378 |
if (addr != null) { |
|
379 |
return addr; |
|
380 |
} |
|
381 |
} |
|
382 |
String errStr = "("; |
|
383 |
for (int i = 0; i < jvmLibNames.length; i++) { |
|
384 |
errStr += jvmLibNames[i]; |
|
385 |
if (i < jvmLibNames.length - 1) { |
|
386 |
errStr += ", "; |
|
387 |
} |
|
388 |
} |
|
389 |
errStr += ")"; |
|
390 |
throw new NoSuchSymbolException(symbol, |
|
391 |
"Could not find symbol \"" + symbol + |
|
392 |
"\" in any of the known library names " + |
|
393 |
errStr); |
|
394 |
} |
|
395 |
||
396 |
private BasicType lookupOrCreateClass(String typeName, boolean isOopType, |
|
397 |
boolean isIntegerType, boolean isUnsigned) { |
|
398 |
BasicType type = (BasicType) lookupType(typeName, false); |
|
399 |
if (type == null) { |
|
400 |
// Create a new type |
|
401 |
type = createBasicType(typeName, isOopType, isIntegerType, isUnsigned); |
|
402 |
} |
|
403 |
return type; |
|
404 |
} |
|
405 |
||
406 |
/** Creates a new BasicType, initializes its size to -1 so we can |
|
407 |
test to ensure that all types' sizes are initialized by VMTypes, |
|
408 |
and adds it to the database. Takes care of initializing integer |
|
409 |
and oop types properly. */ |
|
410 |
private BasicType createBasicType(String typeName, boolean isOopType, |
|
411 |
boolean isIntegerType, boolean isUnsigned) { |
|
412 |
||
413 |
BasicType type = null; |
|
414 |
||
415 |
if (isIntegerType) { |
|
416 |
type = new BasicCIntegerType(this, typeName, isUnsigned); |
|
417 |
} else { |
|
418 |
if (typeNameIsPointerType(typeName)) { |
|
419 |
type = recursiveCreateBasicPointerType(typeName); |
|
420 |
} else { |
|
421 |
type = new BasicType(this, typeName); |
|
422 |
} |
|
423 |
||
424 |
if (isOopType) { |
|
425 |
// HACK: turn markOop into a C integer type. This allows |
|
426 |
// proper handling of it in the Serviceability Agent. (FIXME |
|
427 |
// -- consider doing something different here) |
|
428 |
if (typeName.equals("markOop")) { |
|
429 |
type = new BasicCIntegerType(this, typeName, true); |
|
430 |
} else { |
|
431 |
type.setIsOopType(true); |
|
432 |
} |
|
433 |
} |
|
434 |
} |
|
435 |
||
436 |
type.setSize(UNINITIALIZED_SIZE); |
|
437 |
addType(type); |
|
438 |
return type; |
|
439 |
} |
|
440 |
||
441 |
/** Recursively creates a PointerType from the string representation |
|
442 |
of the type's name. Note that this currently needs some |
|
443 |
workarounds due to incomplete information in the VMStructs |
|
444 |
database. */ |
|
445 |
private BasicPointerType recursiveCreateBasicPointerType(String typeName) { |
|
446 |
String targetTypeName = typeName.substring(0, typeName.lastIndexOf('*')).trim(); |
|
447 |
Type targetType = null; |
|
448 |
if (typeNameIsPointerType(targetTypeName)) { |
|
449 |
targetType = recursiveCreateBasicPointerType(targetTypeName); |
|
450 |
} else { |
|
451 |
targetType = lookupType(targetTypeName, false); |
|
452 |
if (targetType == null) { |
|
453 |
// Workaround for missing C integer types in database. |
|
454 |
// Also looks like we can't throw an exception for other |
|
455 |
// missing target types because there are some in old |
|
456 |
// VMStructs tables that didn't have the target type declared. |
|
457 |
// For this case, we create basic types that never get filled |
|
458 |
// in. |
|
459 |
||
460 |
if (targetTypeName.equals("char") || |
|
461 |
targetTypeName.equals("const char")) { |
|
462 |
// We don't have a representation of const-ness of C types in the SA |
|
463 |
BasicType basicTargetType = createBasicType(targetTypeName, false, true, false); |
|
464 |
basicTargetType.setSize(1); |
|
465 |
targetType = basicTargetType; |
|
466 |
} else if (targetTypeName.equals("u_char")) { |
|
467 |
BasicType basicTargetType = createBasicType(targetTypeName, false, true, true); |
|
468 |
basicTargetType.setSize(1); |
|
469 |
targetType = basicTargetType; |
|
470 |
} else { |
|
471 |
if (DEBUG) { |
|
472 |
System.err.println("WARNING: missing target type \"" + targetTypeName + "\" for pointer type \"" + typeName + "\""); |
|
473 |
} |
|
474 |
targetType = createBasicType(targetTypeName, false, false, false); |
|
475 |
} |
|
476 |
} |
|
477 |
} |
|
478 |
return new BasicPointerType(this, typeName, targetType); |
|
479 |
} |
|
480 |
||
481 |
private boolean typeNameIsPointerType(String typeName) { |
|
482 |
int i = typeName.length() - 1; |
|
483 |
while (i >= 0 && Character.isWhitespace(typeName.charAt(i))) { |
|
484 |
--i; |
|
485 |
} |
|
486 |
if (i >= 0 && typeName.charAt(i) == '*') { |
|
487 |
return true; |
|
488 |
} |
|
489 |
return false; |
|
490 |
} |
|
491 |
||
492 |
public void createType(String typeName, String superclassName, |
|
493 |
boolean isOopType, boolean isIntegerType, |
|
494 |
boolean isUnsigned, long size) { |
|
495 |
// See whether we have a superclass |
|
496 |
BasicType superclass = null; |
|
497 |
if (superclassName != null) { |
|
498 |
// Fetch or create it (FIXME: would get oop types wrong if |
|
499 |
// they had a hierarchy; consider using lookupOrFail) |
|
500 |
superclass = lookupOrCreateClass(superclassName, false, false, false); |
|
501 |
} |
|
502 |
||
503 |
// Lookup or create the current type |
|
504 |
BasicType curType = lookupOrCreateClass(typeName, isOopType, isIntegerType, isUnsigned); |
|
505 |
// Set superclass and/or ensure it's correct |
|
506 |
if (superclass != null) { |
|
507 |
if (curType.getSuperclass() == null) { |
|
508 |
// Set the superclass in the current type |
|
509 |
curType.setSuperclass(superclass); |
|
510 |
} |
|
511 |
||
512 |
if (curType.getSuperclass() != superclass) { |
|
513 |
throw new RuntimeException("Error: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " + |
|
514 |
"had its superclass redefined (old was " + curType.getSuperclass().getName() + ", new is " + |
|
515 |
superclass.getName() + ")."); |
|
516 |
} |
|
517 |
} |
|
518 |
||
519 |
// Classes are created with a size of UNINITIALIZED_SIZE. |
|
520 |
// Set size if necessary. |
|
521 |
if (curType.getSize() == UNINITIALIZED_SIZE) { |
|
522 |
curType.setSize(size); |
|
523 |
} else { |
|
524 |
if (curType.getSize() != size) { |
|
525 |
throw new RuntimeException("Error: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " + |
|
526 |
"had its size redefined (old was " + curType.getSize() + ", new is " + size + ")."); |
|
527 |
} |
|
528 |
||
529 |
System.err.println("Warning: the type \"" + typeName + "\" (declared in the remote VM in VMStructs::localHotSpotVMTypes) " + |
|
530 |
"had its size declared as " + size + " twice. Continuing."); |
|
531 |
} |
|
532 |
||
533 |
} |
|
534 |
||
535 |
/** "Virtual constructor" for fields based on type */ |
|
536 |
public void createField(BasicType containingType, |
|
537 |
String name, Type type, boolean isStatic, |
|
538 |
long offset, Address staticFieldAddress) { |
|
539 |
// Add field to containing type |
|
540 |
containingType.addField(internalCreateField(containingType, name, type, isStatic, offset, staticFieldAddress)); |
|
541 |
} |
|
542 |
||
543 |
Field internalCreateField(BasicType containingType, |
|
544 |
String name, Type type, boolean isStatic, |
|
545 |
long offset, Address staticFieldAddress) { |
|
546 |
// "Virtual constructor" based on type |
|
547 |
if (type.isOopType()) { |
|
548 |
return new BasicOopField(this, containingType, name, type, |
|
549 |
isStatic, offset, staticFieldAddress); |
|
550 |
} |
|
551 |
||
552 |
if (type instanceof CIntegerType) { |
|
553 |
return new BasicCIntegerField(this, containingType, name, type, |
|
554 |
isStatic, offset, staticFieldAddress); |
|
555 |
} |
|
556 |
||
557 |
if (type.equals(getJBooleanType())) { |
|
558 |
return new BasicJBooleanField(this, containingType, name, type, |
|
559 |
isStatic, offset, staticFieldAddress); |
|
560 |
} |
|
561 |
||
562 |
if (type.equals(getJByteType())) { |
|
563 |
return new BasicJByteField(this, containingType, name, type, |
|
564 |
isStatic, offset, staticFieldAddress); |
|
565 |
} |
|
566 |
||
567 |
if (type.equals(getJCharType())) { |
|
568 |
return new BasicJCharField(this, containingType, name, type, |
|
569 |
isStatic, offset, staticFieldAddress); |
|
570 |
} |
|
571 |
||
572 |
if (type.equals(getJDoubleType())) { |
|
573 |
return new BasicJDoubleField(this, containingType, name, type, |
|
574 |
isStatic, offset, staticFieldAddress); |
|
575 |
} |
|
576 |
||
577 |
if (type.equals(getJFloatType())) { |
|
578 |
return new BasicJFloatField(this, containingType, name, type, |
|
579 |
isStatic, offset, staticFieldAddress); |
|
580 |
} |
|
581 |
||
582 |
if (type.equals(getJIntType())) { |
|
583 |
return new BasicJIntField(this, containingType, name, type, |
|
584 |
isStatic, offset, staticFieldAddress); |
|
585 |
} |
|
586 |
||
587 |
if (type.equals(getJLongType())) { |
|
588 |
return new BasicJLongField(this, containingType, name, type, |
|
589 |
isStatic, offset, staticFieldAddress); |
|
590 |
} |
|
591 |
||
592 |
if (type.equals(getJShortType())) { |
|
593 |
return new BasicJShortField(this, containingType, name, type, |
|
594 |
isStatic, offset, staticFieldAddress); |
|
595 |
} |
|
596 |
||
597 |
// Unknown ("opaque") type. Instantiate ordinary Field. |
|
598 |
return new BasicField(this, containingType, name, type, |
|
599 |
isStatic, offset, staticFieldAddress); |
|
600 |
} |
|
601 |
||
602 |
// For debugging |
|
603 |
private void dumpMemory(Address addr, int len) { |
|
604 |
int i = 0; |
|
605 |
while (i < len) { |
|
606 |
System.err.print(addr.addOffsetTo(i) + ":"); |
|
607 |
for (int j = 0; j < 8 && i < len; i++, j++) { |
|
608 |
String s = Long.toHexString(addr.getCIntegerAt(i, 1, true)); |
|
609 |
System.err.print(" 0x"); |
|
610 |
for (int k = 0; k < 2 - s.length(); k++) { |
|
611 |
System.err.print("0"); |
|
612 |
} |
|
613 |
System.err.print(s); |
|
614 |
} |
|
615 |
System.err.println(); |
|
616 |
} |
|
617 |
} |
|
618 |
} |