/* * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package jdk.vm.ci.hotspot; import static jdk.vm.ci.common.UnsafeUtil.readCString; import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; import java.lang.reflect.*; import java.util.*; import sun.misc.*; import jdk.vm.ci.common.*; import jdk.vm.ci.hotspotvmconfig.*; //JaCoCo Exclude /** * Used to access native configuration details. * * All non-static, public fields in this class are so that they can be compiled as constants. */ public class HotSpotVMConfig { /** * Maximum allowed size of allocated area for a frame. */ public final int maxFrameSize = 16 * 1024; public HotSpotVMConfig(CompilerToVM compilerToVm) { // Get raw pointer to the array that contains all gHotSpotVM values. final long gHotSpotVMData = compilerToVm.initializeConfiguration(); assert gHotSpotVMData != 0; // Make FindBugs happy. gHotSpotVMStructs = 0; gHotSpotVMTypes = 0; gHotSpotVMIntConstants = 0; gHotSpotVMLongConstants = 0; gHotSpotVMAddresses = 0; // Initialize the gHotSpotVM fields. for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { if (f.isAnnotationPresent(HotSpotVMData.class)) { HotSpotVMData annotation = f.getAnnotation(HotSpotVMData.class); final int index = annotation.index(); final long value = UNSAFE.getAddress(gHotSpotVMData + Unsafe.ADDRESS_SIZE * index); try { f.setLong(this, value); } catch (IllegalAccessException e) { throw new JVMCIError("index " + index, e); } } } // Quick sanity check. assert gHotSpotVMStructs != 0; assert gHotSpotVMTypes != 0; assert gHotSpotVMIntConstants != 0; assert gHotSpotVMLongConstants != 0; assert gHotSpotVMAddresses != 0; initialize(); oopEncoding = new CompressEncoding(narrowOopBase, narrowOopShift, logMinObjAlignment()); klassEncoding = new CompressEncoding(narrowKlassBase, narrowKlassShift, logKlassAlignment); final long barrierSetAddress = UNSAFE.getAddress(universeCollectedHeap + collectedHeapBarrierSetOffset); final int kind = UNSAFE.getInt(barrierSetAddress + barrierSetFakeRttiOffset + fakeRttiConcreteTagOffset); if ((kind == barrierSetCardTableModRef) || (kind == barrierSetCardTableForRS) || (kind == barrierSetCardTableExtension) || (kind == barrierSetG1SATBCT) || (kind == barrierSetG1SATBCTLogging)) { final long base = UNSAFE.getAddress(barrierSetAddress + cardTableModRefBSByteMapBaseOffset); assert base != 0 : "unexpected byte_map_base: " + base; cardtableStartAddress = base; cardtableShift = cardTableModRefBSCardShift; } else if (kind == barrierSetModRef) { // No post barriers cardtableStartAddress = 0; cardtableShift = 0; } else { cardtableStartAddress = -1; cardtableShift = -1; } // Now handle all HotSpotVMManual fields. inlineCacheMissStub = inlineCacheMissBlob + UNSAFE.getInt(inlineCacheMissBlob + codeBlobCodeOffsetOffset); handleWrongMethodStub = wrongMethodBlob + UNSAFE.getInt(wrongMethodBlob + codeBlobCodeOffsetOffset); handleDeoptStub = deoptBlob + UNSAFE.getInt(deoptBlob + codeBlobCodeOffsetOffset) + UNSAFE.getInt(deoptBlob + deoptimizationBlobUnpackOffsetOffset); uncommonTrapStub = deoptBlob + UNSAFE.getInt(deoptBlob + codeBlobCodeOffsetOffset) + UNSAFE.getInt(deoptBlob + deoptimizationBlobUncommonTrapOffsetOffset); assert check(); assert HotSpotVMConfigVerifier.check(); } @Override public String toString() { return getClass().getSimpleName(); } /** * Initialize fields by reading their values from vmStructs. */ private void initialize() { // Fill the VM fields hash map. HashMap vmFields = new HashMap<>(); for (VMFields.Field e : new VMFields(gHotSpotVMStructs)) { vmFields.put(e.getName(), e); } // Fill the VM types hash map. HashMap vmTypes = new HashMap<>(); for (VMTypes.Type e : new VMTypes(gHotSpotVMTypes)) { vmTypes.put(e.getTypeName(), e); } // Fill the VM constants hash map. HashMap vmConstants = new HashMap<>(); for (AbstractConstant e : new VMIntConstants(gHotSpotVMIntConstants)) { vmConstants.put(e.getName(), e); } for (AbstractConstant e : new VMAddresses(gHotSpotVMLongConstants)) { vmConstants.put(e.getName(), e); } // Fill the VM addresses hash map. HashMap vmAddresses = new HashMap<>(); for (VMAddresses.Address e : new VMAddresses(gHotSpotVMAddresses)) { vmAddresses.put(e.getName(), e); } // Fill the flags hash map. HashMap flags = new HashMap<>(); for (Flags.Flag e : new Flags(vmFields, vmTypes)) { flags.put(e.getName(), e); } String osName = getHostOSName(); String osArch = getHostArchitectureName(); for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { if (f.isAnnotationPresent(HotSpotVMField.class)) { HotSpotVMField annotation = f.getAnnotation(HotSpotVMField.class); String name = annotation.name(); String type = annotation.type(); VMFields.Field entry = vmFields.get(name); if (entry == null) { if (!isRequired(osArch, annotation.archs())) { continue; } throw new JVMCIError(f.getName() + ": expected VM field not found: " + name); } // Make sure the native type is still the type we expect. if (!type.isEmpty()) { if (!type.equals(entry.getTypeString())) { throw new JVMCIError(f.getName() + ": compiler expects type " + type + " but VM field " + name + " is of type " + entry.getTypeString()); } } switch (annotation.get()) { case OFFSET: setField(f, entry.getOffset()); break; case ADDRESS: setField(f, entry.getAddress()); break; case VALUE: setField(f, entry.getValue()); break; default: throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get()); } } else if (f.isAnnotationPresent(HotSpotVMType.class)) { HotSpotVMType annotation = f.getAnnotation(HotSpotVMType.class); String name = annotation.name(); VMTypes.Type entry = vmTypes.get(name); if (entry == null) { throw new JVMCIError(f.getName() + ": expected VM type not found: " + name); } switch (annotation.get()) { case SIZE: setField(f, entry.getSize()); break; default: throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get()); } } else if (f.isAnnotationPresent(HotSpotVMConstant.class)) { HotSpotVMConstant annotation = f.getAnnotation(HotSpotVMConstant.class); String name = annotation.name(); AbstractConstant entry = vmConstants.get(name); if (entry == null) { if (!isRequired(osArch, annotation.archs())) { continue; } throw new JVMCIError(f.getName() + ": expected VM constant not found: " + name); } setField(f, entry.getValue()); } else if (f.isAnnotationPresent(HotSpotVMAddress.class)) { HotSpotVMAddress annotation = f.getAnnotation(HotSpotVMAddress.class); String name = annotation.name(); VMAddresses.Address entry = vmAddresses.get(name); if (entry == null) { if (!isRequired(osName, annotation.os())) { continue; } throw new JVMCIError(f.getName() + ": expected VM address not found: " + name); } setField(f, entry.getValue()); } else if (f.isAnnotationPresent(HotSpotVMFlag.class)) { HotSpotVMFlag annotation = f.getAnnotation(HotSpotVMFlag.class); String name = annotation.name(); Flags.Flag entry = flags.get(name); if (entry == null) { if (annotation.optional() || !isRequired(osArch, annotation.archs())) { continue; } throw new JVMCIError(f.getName() + ": expected VM flag not found: " + name); } setField(f, entry.getValue()); } } } private final CompressEncoding oopEncoding; private final CompressEncoding klassEncoding; public CompressEncoding getOopEncoding() { return oopEncoding; } public CompressEncoding getKlassEncoding() { return klassEncoding; } private void setField(Field field, Object value) { try { Class fieldType = field.getType(); if (fieldType == boolean.class) { if (value instanceof String) { field.setBoolean(this, Boolean.valueOf((String) value)); } else if (value instanceof Boolean) { field.setBoolean(this, (boolean) value); } else if (value instanceof Long) { field.setBoolean(this, ((long) value) != 0); } else { throw new JVMCIError(value.getClass().getSimpleName()); } } else if (fieldType == byte.class) { if (value instanceof Long) { field.setByte(this, (byte) (long) value); } else { throw new JVMCIError(value.getClass().getSimpleName()); } } else if (fieldType == int.class) { if (value instanceof Integer) { field.setInt(this, (int) value); } else if (value instanceof Long) { field.setInt(this, (int) (long) value); } else { throw new JVMCIError(value.getClass().getSimpleName()); } } else if (fieldType == long.class) { field.setLong(this, (long) value); } else { throw new JVMCIError(field.toString()); } } catch (IllegalAccessException e) { throw new JVMCIError("%s: %s", field, e); } } /** * Gets the host operating system name. */ private static String getHostOSName() { String osName = System.getProperty("os.name"); switch (osName) { case "Linux": osName = "linux"; break; case "SunOS": osName = "solaris"; break; case "Mac OS X": osName = "bsd"; break; default: // Of course Windows is different... if (osName.startsWith("Windows")) { osName = "windows"; } else { throw new JVMCIError("Unexpected OS name: " + osName); } } return osName; } /** * Gets the host architecture name for the purpose of finding the corresponding * {@linkplain HotSpotJVMCIBackendFactory backend}. */ public String getHostArchitectureName() { String arch = System.getProperty("os.arch"); switch (arch) { case "x86_64": arch = "amd64"; break; case "sparcv9": arch = "sparc"; break; } return arch; } /** * Determines if the current specification is included in a given set of specifications. * * @param current * @param specification specifies a set of specifications, e.g. architectures or operating * systems. A zero length value implies all. */ private static boolean isRequired(String current, String[] specification) { if (specification.length == 0) { return true; } for (String arch : specification) { if (arch.equals(current)) { return true; } } return false; } /** * VMStructEntry (see {@code vmStructs.hpp}). */ @HotSpotVMData(index = 0) @Stable private long gHotSpotVMStructs; @HotSpotVMData(index = 1) @Stable private long gHotSpotVMStructEntryTypeNameOffset; @HotSpotVMData(index = 2) @Stable private long gHotSpotVMStructEntryFieldNameOffset; @HotSpotVMData(index = 3) @Stable private long gHotSpotVMStructEntryTypeStringOffset; @HotSpotVMData(index = 4) @Stable private long gHotSpotVMStructEntryIsStaticOffset; @HotSpotVMData(index = 5) @Stable private long gHotSpotVMStructEntryOffsetOffset; @HotSpotVMData(index = 6) @Stable private long gHotSpotVMStructEntryAddressOffset; @HotSpotVMData(index = 7) @Stable private long gHotSpotVMStructEntryArrayStride; final class VMFields implements Iterable { private final long address; public VMFields(long address) { this.address = address; } public Iterator iterator() { return new Iterator() { private int index = 0; private Field current() { return new Field(address + gHotSpotVMStructEntryArrayStride * index); } /** * The last entry is identified by a NULL fieldName. */ public boolean hasNext() { Field entry = current(); return entry.getFieldName() != null; } public Field next() { Field entry = current(); index++; return entry; } }; } final class Field { private final long entryAddress; Field(long address) { this.entryAddress = address; } public String getTypeName() { long typeNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryTypeNameOffset); return readCString(UNSAFE, typeNameAddress); } public String getFieldName() { long fieldNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryFieldNameOffset); return readCString(UNSAFE, fieldNameAddress); } public String getTypeString() { long typeStringAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryTypeStringOffset); return readCString(UNSAFE, typeStringAddress); } public boolean isStatic() { return UNSAFE.getInt(entryAddress + gHotSpotVMStructEntryIsStaticOffset) != 0; } public long getOffset() { return UNSAFE.getLong(entryAddress + gHotSpotVMStructEntryOffsetOffset); } public long getAddress() { return UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryAddressOffset); } public String getName() { String typeName = getTypeName(); String fieldName = getFieldName(); return typeName + "::" + fieldName; } public long getValue() { String type = getTypeString(); switch (type) { case "bool": return UNSAFE.getByte(getAddress()); case "int": return UNSAFE.getInt(getAddress()); case "uint64_t": return UNSAFE.getLong(getAddress()); case "address": case "intptr_t": case "uintptr_t": return UNSAFE.getAddress(getAddress()); default: // All foo* types are addresses. if (type.endsWith("*")) { return UNSAFE.getAddress(getAddress()); } throw new JVMCIError(type); } } @Override public String toString() { return String.format("Field[typeName=%s, fieldName=%s, typeString=%s, isStatic=%b, offset=%d, address=0x%x]", getTypeName(), getFieldName(), getTypeString(), isStatic(), getOffset(), getAddress()); } } } /** * VMTypeEntry (see vmStructs.hpp). */ @HotSpotVMData(index = 8) @Stable private long gHotSpotVMTypes; @HotSpotVMData(index = 9) @Stable private long gHotSpotVMTypeEntryTypeNameOffset; @HotSpotVMData(index = 10) @Stable private long gHotSpotVMTypeEntrySuperclassNameOffset; @HotSpotVMData(index = 11) @Stable private long gHotSpotVMTypeEntryIsOopTypeOffset; @HotSpotVMData(index = 12) @Stable private long gHotSpotVMTypeEntryIsIntegerTypeOffset; @HotSpotVMData(index = 13) @Stable private long gHotSpotVMTypeEntryIsUnsignedOffset; @HotSpotVMData(index = 14) @Stable private long gHotSpotVMTypeEntrySizeOffset; @HotSpotVMData(index = 15) @Stable private long gHotSpotVMTypeEntryArrayStride; final class VMTypes implements Iterable { private final long address; public VMTypes(long address) { this.address = address; } public Iterator iterator() { return new Iterator() { private int index = 0; private Type current() { return new Type(address + gHotSpotVMTypeEntryArrayStride * index); } /** * The last entry is identified by a NULL type name. */ public boolean hasNext() { Type entry = current(); return entry.getTypeName() != null; } public Type next() { Type entry = current(); index++; return entry; } }; } final class Type { private final long entryAddress; Type(long address) { this.entryAddress = address; } public String getTypeName() { long typeNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMTypeEntryTypeNameOffset); return readCString(UNSAFE, typeNameAddress); } public String getSuperclassName() { long superclassNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMTypeEntrySuperclassNameOffset); return readCString(UNSAFE, superclassNameAddress); } public boolean isOopType() { return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsOopTypeOffset) != 0; } public boolean isIntegerType() { return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsIntegerTypeOffset) != 0; } public boolean isUnsigned() { return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsUnsignedOffset) != 0; } public long getSize() { return UNSAFE.getLong(entryAddress + gHotSpotVMTypeEntrySizeOffset); } @Override public String toString() { return String.format("Type[typeName=%s, superclassName=%s, isOopType=%b, isIntegerType=%b, isUnsigned=%b, size=%d]", getTypeName(), getSuperclassName(), isOopType(), isIntegerType(), isUnsigned(), getSize()); } } } public abstract class AbstractConstant { protected final long address; protected final long nameOffset; protected final long valueOffset; AbstractConstant(long address, long nameOffset, long valueOffset) { this.address = address; this.nameOffset = nameOffset; this.valueOffset = valueOffset; } public String getName() { long nameAddress = UNSAFE.getAddress(address + nameOffset); return readCString(UNSAFE, nameAddress); } public abstract long getValue(); } /** * VMIntConstantEntry (see vmStructs.hpp). */ @HotSpotVMData(index = 16) @Stable private long gHotSpotVMIntConstants; @HotSpotVMData(index = 17) @Stable private long gHotSpotVMIntConstantEntryNameOffset; @HotSpotVMData(index = 18) @Stable private long gHotSpotVMIntConstantEntryValueOffset; @HotSpotVMData(index = 19) @Stable private long gHotSpotVMIntConstantEntryArrayStride; final class VMIntConstants implements Iterable { private final long address; public VMIntConstants(long address) { this.address = address; } public Iterator iterator() { return new Iterator() { private int index = 0; private Constant current() { return new Constant(address + gHotSpotVMIntConstantEntryArrayStride * index); } /** * The last entry is identified by a NULL name. */ public boolean hasNext() { Constant entry = current(); return entry.getName() != null; } public Constant next() { Constant entry = current(); index++; return entry; } }; } final class Constant extends AbstractConstant { Constant(long address) { super(address, gHotSpotVMIntConstantEntryNameOffset, gHotSpotVMIntConstantEntryValueOffset); } @Override public long getValue() { return UNSAFE.getInt(address + valueOffset); } @Override public String toString() { return String.format("IntConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); } } } /** * VMLongConstantEntry (see vmStructs.hpp). */ @HotSpotVMData(index = 20) @Stable private long gHotSpotVMLongConstants; @HotSpotVMData(index = 21) @Stable private long gHotSpotVMLongConstantEntryNameOffset; @HotSpotVMData(index = 22) @Stable private long gHotSpotVMLongConstantEntryValueOffset; @HotSpotVMData(index = 23) @Stable private long gHotSpotVMLongConstantEntryArrayStride; final class VMLongConstants implements Iterable { private final long address; public VMLongConstants(long address) { this.address = address; } public Iterator iterator() { return new Iterator() { private int index = 0; private Constant currentEntry() { return new Constant(address + gHotSpotVMLongConstantEntryArrayStride * index); } /** * The last entry is identified by a NULL name. */ public boolean hasNext() { Constant entry = currentEntry(); return entry.getName() != null; } public Constant next() { Constant entry = currentEntry(); index++; return entry; } }; } final class Constant extends AbstractConstant { Constant(long address) { super(address, gHotSpotVMLongConstantEntryNameOffset, gHotSpotVMLongConstantEntryValueOffset); } @Override public long getValue() { return UNSAFE.getLong(address + valueOffset); } @Override public String toString() { return String.format("LongConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); } } } /** * VMAddressEntry (see vmStructs.hpp). */ @HotSpotVMData(index = 24) @Stable private long gHotSpotVMAddresses; @HotSpotVMData(index = 25) @Stable private long gHotSpotVMAddressEntryNameOffset; @HotSpotVMData(index = 26) @Stable private long gHotSpotVMAddressEntryValueOffset; @HotSpotVMData(index = 27) @Stable private long gHotSpotVMAddressEntryArrayStride; final class VMAddresses implements Iterable { private final long address; public VMAddresses(long address) { this.address = address; } public Iterator iterator() { return new Iterator() { private int index = 0; private Address currentEntry() { return new Address(address + gHotSpotVMAddressEntryArrayStride * index); } /** * The last entry is identified by a NULL name. */ public boolean hasNext() { Address entry = currentEntry(); return entry.getName() != null; } public Address next() { Address entry = currentEntry(); index++; return entry; } }; } final class Address extends AbstractConstant { Address(long address) { super(address, gHotSpotVMAddressEntryNameOffset, gHotSpotVMAddressEntryValueOffset); } @Override public long getValue() { return UNSAFE.getLong(address + valueOffset); } @Override public String toString() { return String.format("Address[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); } } } final class Flags implements Iterable { private final long address; private final long entrySize; private final long typeOffset; private final long nameOffset; private final long addrOffset; public Flags(HashMap vmStructs, HashMap vmTypes) { address = vmStructs.get("Flag::flags").getValue(); entrySize = vmTypes.get("Flag").getSize(); typeOffset = vmStructs.get("Flag::_type").getOffset(); nameOffset = vmStructs.get("Flag::_name").getOffset(); addrOffset = vmStructs.get("Flag::_addr").getOffset(); assert vmTypes.get("bool").getSize() == Byte.BYTES; assert vmTypes.get("intx").getSize() == Long.BYTES; assert vmTypes.get("uintx").getSize() == Long.BYTES; } public Iterator iterator() { return new Iterator() { private int index = 0; private Flag current() { return new Flag(address + entrySize * index); } /** * The last entry is identified by a NULL name. */ public boolean hasNext() { Flag entry = current(); return entry.getName() != null; } public Flag next() { Flag entry = current(); index++; return entry; } }; } final class Flag { private final long entryAddress; Flag(long address) { this.entryAddress = address; } public String getType() { long typeAddress = UNSAFE.getAddress(entryAddress + typeOffset); return readCString(UNSAFE, typeAddress); } public String getName() { long nameAddress = UNSAFE.getAddress(entryAddress + nameOffset); return readCString(UNSAFE, nameAddress); } public long getAddr() { return UNSAFE.getAddress(entryAddress + addrOffset); } public Object getValue() { switch (getType()) { case "bool": return Boolean.valueOf(UNSAFE.getByte(getAddr()) != 0); case "intx": case "uintx": case "uint64_t": return Long.valueOf(UNSAFE.getLong(getAddr())); case "double": return Double.valueOf(UNSAFE.getDouble(getAddr())); case "ccstr": case "ccstrlist": return readCString(UNSAFE, getAddr()); default: throw new JVMCIError(getType()); } } @Override public String toString() { return String.format("Flag[type=%s, name=%s, value=%s]", getType(), getName(), getValue()); } } } @HotSpotVMConstant(name = "ASSERT") @Stable public boolean cAssertions; public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); @HotSpotVMFlag(name = "CodeEntryAlignment") @Stable public int codeEntryAlignment; @HotSpotVMFlag(name = "VerifyOops") @Stable public boolean verifyOops; @HotSpotVMFlag(name = "CITime") @Stable public boolean ciTime; @HotSpotVMFlag(name = "CITimeEach") @Stable public boolean ciTimeEach; @HotSpotVMFlag(name = "CompileTheWorldStartAt", optional = true) @Stable public int compileTheWorldStartAt; @HotSpotVMFlag(name = "CompileTheWorldStopAt", optional = true) @Stable public int compileTheWorldStopAt; @HotSpotVMFlag(name = "DontCompileHugeMethods") @Stable public boolean dontCompileHugeMethods; @HotSpotVMFlag(name = "HugeMethodLimit") @Stable public int hugeMethodLimit; @HotSpotVMFlag(name = "PrintInlining") @Stable public boolean printInlining; @HotSpotVMFlag(name = "JVMCIUseFastLocking") @Stable public boolean useFastLocking; @HotSpotVMFlag(name = "ForceUnreachable") @Stable public boolean forceUnreachable; @HotSpotVMFlag(name = "CodeCacheSegmentSize") @Stable public int codeSegmentSize; @HotSpotVMFlag(name = "UseTLAB") @Stable public boolean useTLAB; @HotSpotVMFlag(name = "UseBiasedLocking") @Stable public boolean useBiasedLocking; @HotSpotVMFlag(name = "UsePopCountInstruction") @Stable public boolean usePopCountInstruction; @HotSpotVMFlag(name = "UseCountLeadingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountLeadingZerosInstruction; @HotSpotVMFlag(name = "UseCountTrailingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountTrailingZerosInstruction; @HotSpotVMFlag(name = "UseAESIntrinsics") @Stable public boolean useAESIntrinsics; @HotSpotVMFlag(name = "UseCRC32Intrinsics") @Stable public boolean useCRC32Intrinsics; @HotSpotVMFlag(name = "UseG1GC") @Stable public boolean useG1GC; @HotSpotVMFlag(name = "UseConcMarkSweepGC") @Stable public boolean useCMSGC; @HotSpotVMFlag(name = "AllocatePrefetchStyle") @Stable public int allocatePrefetchStyle; @HotSpotVMFlag(name = "AllocatePrefetchInstr") @Stable public int allocatePrefetchInstr; @HotSpotVMFlag(name = "AllocatePrefetchLines") @Stable public int allocatePrefetchLines; @HotSpotVMFlag(name = "AllocateInstancePrefetchLines") @Stable public int allocateInstancePrefetchLines; @HotSpotVMFlag(name = "AllocatePrefetchStepSize") @Stable public int allocatePrefetchStepSize; @HotSpotVMFlag(name = "AllocatePrefetchDistance") @Stable public int allocatePrefetchDistance; @HotSpotVMFlag(name = "FlightRecorder", optional = true) @Stable public boolean flightRecorder; @HotSpotVMField(name = "Universe::_collectedHeap", type = "CollectedHeap*", get = HotSpotVMField.Type.VALUE) @Stable private long universeCollectedHeap; @HotSpotVMField(name = "CollectedHeap::_total_collections", type = "unsigned int", get = HotSpotVMField.Type.OFFSET) @Stable private int collectedHeapTotalCollectionsOffset; public long gcTotalCollectionsAddress() { return universeCollectedHeap + collectedHeapTotalCollectionsOffset; } @HotSpotVMFlag(name = "ReduceInitialCardMarks") @Stable public boolean useDeferredInitBarriers; // Compressed Oops related values. @HotSpotVMFlag(name = "UseCompressedOops") @Stable public boolean useCompressedOops; @HotSpotVMFlag(name = "UseCompressedClassPointers") @Stable public boolean useCompressedClassPointers; @HotSpotVMField(name = "Universe::_narrow_oop._base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowOopBase; @HotSpotVMField(name = "Universe::_narrow_oop._shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowOopShift; @HotSpotVMFlag(name = "ObjectAlignmentInBytes") @Stable public int objectAlignment; public final int minObjAlignment() { return objectAlignment / heapWordSize; } public final int logMinObjAlignment() { return (int) (Math.log(objectAlignment) / Math.log(2)); } @HotSpotVMType(name = "narrowKlass", get = HotSpotVMType.Type.SIZE) @Stable public int narrowKlassSize; @HotSpotVMField(name = "Universe::_narrow_klass._base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowKlassBase; @HotSpotVMField(name = "Universe::_narrow_klass._shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowKlassShift; @HotSpotVMConstant(name = "LogKlassAlignmentInBytes") @Stable public int logKlassAlignment; // CPU capabilities @HotSpotVMFlag(name = "UseSSE") @Stable public int useSSE; @HotSpotVMFlag(name = "UseAVX", archs = {"amd64"}) @Stable public int useAVX; @HotSpotVMField(name = "Abstract_VM_Version::_reserve_for_allocation_prefetch", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int abstractVmVersionReserveForAllocationPrefetch; // X86 specific values @HotSpotVMField(name = "VM_Version::_cpuFeatures", type = "uint64_t", get = HotSpotVMField.Type.VALUE, archs = {"amd64"}) @Stable public long x86CPUFeatures; @HotSpotVMConstant(name = "VM_Version::CPU_CX8", archs = {"amd64"}) @Stable public long cpuCX8; @HotSpotVMConstant(name = "VM_Version::CPU_CMOV", archs = {"amd64"}) @Stable public long cpuCMOV; @HotSpotVMConstant(name = "VM_Version::CPU_FXSR", archs = {"amd64"}) @Stable public long cpuFXSR; @HotSpotVMConstant(name = "VM_Version::CPU_HT", archs = {"amd64"}) @Stable public long cpuHT; @HotSpotVMConstant(name = "VM_Version::CPU_MMX", archs = {"amd64"}) @Stable public long cpuMMX; @HotSpotVMConstant(name = "VM_Version::CPU_3DNOW_PREFETCH", archs = {"amd64"}) @Stable public long cpu3DNOWPREFETCH; @HotSpotVMConstant(name = "VM_Version::CPU_SSE", archs = {"amd64"}) @Stable public long cpuSSE; @HotSpotVMConstant(name = "VM_Version::CPU_SSE2", archs = {"amd64"}) @Stable public long cpuSSE2; @HotSpotVMConstant(name = "VM_Version::CPU_SSE3", archs = {"amd64"}) @Stable public long cpuSSE3; @HotSpotVMConstant(name = "VM_Version::CPU_SSSE3", archs = {"amd64"}) @Stable public long cpuSSSE3; @HotSpotVMConstant(name = "VM_Version::CPU_SSE4A", archs = {"amd64"}) @Stable public long cpuSSE4A; @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_1", archs = {"amd64"}) @Stable public long cpuSSE41; @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_2", archs = {"amd64"}) @Stable public long cpuSSE42; @HotSpotVMConstant(name = "VM_Version::CPU_POPCNT", archs = {"amd64"}) @Stable public long cpuPOPCNT; @HotSpotVMConstant(name = "VM_Version::CPU_LZCNT", archs = {"amd64"}) @Stable public long cpuLZCNT; @HotSpotVMConstant(name = "VM_Version::CPU_TSC", archs = {"amd64"}) @Stable public long cpuTSC; @HotSpotVMConstant(name = "VM_Version::CPU_TSCINV", archs = {"amd64"}) @Stable public long cpuTSCINV; @HotSpotVMConstant(name = "VM_Version::CPU_AVX", archs = {"amd64"}) @Stable public long cpuAVX; @HotSpotVMConstant(name = "VM_Version::CPU_AVX2", archs = {"amd64"}) @Stable public long cpuAVX2; @HotSpotVMConstant(name = "VM_Version::CPU_AES", archs = {"amd64"}) @Stable public long cpuAES; @HotSpotVMConstant(name = "VM_Version::CPU_ERMS", archs = {"amd64"}) @Stable public long cpuERMS; @HotSpotVMConstant(name = "VM_Version::CPU_CLMUL", archs = {"amd64"}) @Stable public long cpuCLMUL; @HotSpotVMConstant(name = "VM_Version::CPU_BMI1", archs = {"amd64"}) @Stable public long cpuBMI1; // SPARC specific values @HotSpotVMField(name = "VM_Version::_features", type = "int", get = HotSpotVMField.Type.VALUE, archs = {"sparc"}) @Stable public int sparcFeatures; @HotSpotVMConstant(name = "VM_Version::vis3_instructions_m", archs = {"sparc"}) @Stable public int vis3Instructions; @HotSpotVMConstant(name = "VM_Version::vis2_instructions_m", archs = {"sparc"}) @Stable public int vis2Instructions; @HotSpotVMConstant(name = "VM_Version::vis1_instructions_m", archs = {"sparc"}) @Stable public int vis1Instructions; @HotSpotVMConstant(name = "VM_Version::cbcond_instructions_m", archs = {"sparc"}) @Stable public int cbcondInstructions; @HotSpotVMFlag(name = "UseBlockZeroing", archs = {"sparc"}) @Stable public boolean useBlockZeroing; @HotSpotVMFlag(name = "BlockZeroingLowLimit", archs = {"sparc"}) @Stable public int blockZeroingLowLimit; // offsets, ... @HotSpotVMFlag(name = "StackShadowPages") @Stable public int stackShadowPages; @HotSpotVMFlag(name = "UseStackBanging") @Stable public boolean useStackBanging; @HotSpotVMConstant(name = "STACK_BIAS") @Stable public int stackBias; @HotSpotVMField(name = "oopDesc::_mark", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int markOffset; @HotSpotVMField(name = "oopDesc::_metadata._klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int hubOffset; @HotSpotVMField(name = "Klass::_prototype_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int prototypeMarkWordOffset; @HotSpotVMField(name = "Klass::_subklass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int subklassOffset; @HotSpotVMField(name = "Klass::_next_sibling", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int nextSiblingOffset; @HotSpotVMField(name = "Klass::_super_check_offset", type = "juint", get = HotSpotVMField.Type.OFFSET) @Stable public int superCheckOffsetOffset; @HotSpotVMField(name = "Klass::_secondary_super_cache", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySuperCacheOffset; @HotSpotVMField(name = "Klass::_secondary_supers", type = "Array*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySupersOffset; /** * The offset of the _java_mirror field (of type {@link Class}) in a Klass. */ @HotSpotVMField(name = "Klass::_java_mirror", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int classMirrorOffset; @HotSpotVMField(name = "Klass::_super", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassSuperKlassOffset; @HotSpotVMField(name = "Klass::_modifier_flags", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassModifierFlagsOffset; @HotSpotVMField(name = "Klass::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int klassAccessFlagsOffset; @HotSpotVMField(name = "Klass::_layout_helper", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassLayoutHelperOffset; @HotSpotVMConstant(name = "Klass::_lh_neutral_value") @Stable public int klassLayoutHelperNeutralValue; @HotSpotVMConstant(name = "Klass::_lh_instance_slow_path_bit") @Stable public int klassLayoutHelperInstanceSlowPathBit; @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_shift") @Stable public int layoutHelperLog2ElementSizeShift; @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_mask") @Stable public int layoutHelperLog2ElementSizeMask; @HotSpotVMConstant(name = "Klass::_lh_element_type_shift") @Stable public int layoutHelperElementTypeShift; @HotSpotVMConstant(name = "Klass::_lh_element_type_mask") @Stable public int layoutHelperElementTypeMask; @HotSpotVMConstant(name = "Klass::_lh_header_size_shift") @Stable public int layoutHelperHeaderSizeShift; @HotSpotVMConstant(name = "Klass::_lh_header_size_mask") @Stable public int layoutHelperHeaderSizeMask; @HotSpotVMConstant(name = "Klass::_lh_array_tag_shift") @Stable public int layoutHelperArrayTagShift; @HotSpotVMConstant(name = "Klass::_lh_array_tag_type_value") @Stable public int layoutHelperArrayTagTypeValue; @HotSpotVMConstant(name = "Klass::_lh_array_tag_obj_value") @Stable public int layoutHelperArrayTagObjectValue; /** * This filters out the bit that differentiates a type array from an object array. */ public int layoutHelperElementTypePrimitiveInPlace() { return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift; } /** * Bit pattern in the klass layout helper that can be used to identify arrays. */ public final int arrayKlassLayoutHelperIdentifier = 0x80000000; @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize; @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset; @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize; @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset; @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset; @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset; @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset; @HotSpotVMField(name = "InstanceKlass::_vtable_len", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassVtableLengthOffset; @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked; @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized; /** * See {@code InstanceKlass::vtable_start_offset()}. */ public final int instanceKlassVtableStartOffset() { return roundUp(instanceKlassSize, heapWordSize); } // TODO use CodeUtil method once it's moved from NumUtil private static int roundUp(int number, int mod) { return ((number + mod - 1) / mod) * mod; } @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize; /** * The offset of the array length word in an array object's header. * * See {@code arrayOopDesc::length_offset_in_bytes()}. */ public final int arrayOopDescLengthOffset() { return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize; } @HotSpotVMField(name = "Array::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset; @HotSpotVMField(name = "Array::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset; @HotSpotVMField(name = "Array::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset; @HotSpotVMField(name = "Array::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset; @HotSpotVMField(name = "Array::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset; @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset; @HotSpotVMConstant(name = "FieldInfo::access_flags_offset") @Stable public int fieldInfoAccessFlagsOffset; @HotSpotVMConstant(name = "FieldInfo::name_index_offset") @Stable public int fieldInfoNameIndexOffset; @HotSpotVMConstant(name = "FieldInfo::signature_index_offset") @Stable public int fieldInfoSignatureIndexOffset; @HotSpotVMConstant(name = "FieldInfo::initval_index_offset") @Stable public int fieldInfoInitvalIndexOffset; @HotSpotVMConstant(name = "FieldInfo::low_packed_offset") @Stable public int fieldInfoLowPackedOffset; @HotSpotVMConstant(name = "FieldInfo::high_packed_offset") @Stable public int fieldInfoHighPackedOffset; @HotSpotVMConstant(name = "FieldInfo::field_slots") @Stable public int fieldInfoFieldSlots; @HotSpotVMConstant(name = "FIELDINFO_TAG_SIZE") @Stable public int fieldInfoTagSize; @HotSpotVMConstant(name = "JVM_ACC_FIELD_INTERNAL") @Stable public int jvmAccFieldInternal; @HotSpotVMConstant(name = "JVM_ACC_FIELD_STABLE") @Stable public int jvmAccFieldStable; @HotSpotVMConstant(name = "JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE") @Stable public int jvmAccFieldHasGenericSignature; @HotSpotVMConstant(name = "JVM_ACC_WRITTEN_FLAGS") @Stable public int jvmAccWrittenFlags; @HotSpotVMField(name = "Thread::_tlab", type = "ThreadLocalAllocBuffer", get = HotSpotVMField.Type.OFFSET) @Stable public int threadTlabOffset; @HotSpotVMField(name = "JavaThread::_anchor", type = "JavaFrameAnchor", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadAnchorOffset; @HotSpotVMField(name = "JavaThread::_threadObj", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectOffset; @HotSpotVMField(name = "JavaThread::_osthread", type = "OSThread*", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadOffset; @HotSpotVMField(name = "JavaThread::_dirty_card_queue", type = "DirtyCardQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadDirtyCardQueueOffset; @HotSpotVMField(name = "JavaThread::_is_method_handle_return", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int threadIsMethodHandleReturnOffset; @HotSpotVMField(name = "JavaThread::_satb_mark_queue", type = "ObjPtrQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadSatbMarkQueueOffset; @HotSpotVMField(name = "JavaThread::_vm_result", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectResultOffset; @HotSpotVMField(name = "JavaThread::_jvmci_counters", type = "jlong*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciCountersThreadOffset; /** * An invalid value for {@link #rtldDefault}. */ public static final long INVALID_RTLD_DEFAULT_HANDLE = 0xDEADFACE; /** * Address of the library lookup routine. The C signature of this routine is: * * 
     *     void* (const char *filename, char *ebuf, int ebuflen)
     *
*/ @HotSpotVMAddress(name = "os::dll_load") @Stable public long dllLoad; /** * Address of the library lookup routine. The C signature of this routine is: * * 
     *     void* (void* handle, const char* name)
     *
*/ @HotSpotVMAddress(name = "os::dll_lookup") @Stable public long dllLookup; /** * A pseudo-handle which when used as the first argument to {@link #dllLookup} means lookup will * return the first occurrence of the desired symbol using the default library search order. If * this field is {@value #INVALID_RTLD_DEFAULT_HANDLE}, then this capability is not supported on * the current platform. */ @HotSpotVMAddress(name = "RTLD_DEFAULT", os = {"bsd", "linux"}) @Stable public long rtldDefault = INVALID_RTLD_DEFAULT_HANDLE; /** * This field is used to pass exception objects into and out of the runtime system during * exception handling for compiled code. */ @HotSpotVMField(name = "JavaThread::_exception_oop", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionOopOffset; @HotSpotVMField(name = "JavaThread::_exception_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionPcOffset; @HotSpotVMField(name = "ThreadShadow::_pending_exception", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingExceptionOffset; @HotSpotVMField(name = "JavaThread::_pending_deoptimization", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingDeoptimizationOffset; @HotSpotVMField(name = "JavaThread::_pending_failed_speculation", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingFailedSpeculationOffset; @HotSpotVMField(name = "JavaThread::_pending_transfer_to_interpreter", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingTransferToInterpreterOffset; @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_sp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaSpOffset; @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaPcOffset; @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_fp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET, archs = {"amd64"}) @Stable private int javaFrameAnchorLastJavaFpOffset; @HotSpotVMField(name = "JavaFrameAnchor::_flags", type = "int", get = HotSpotVMField.Type.OFFSET, archs = {"sparc"}) @Stable private int javaFrameAnchorFlagsOffset; public int threadLastJavaSpOffset() { return javaThreadAnchorOffset + javaFrameAnchorLastJavaSpOffset; } public int threadLastJavaPcOffset() { return javaThreadAnchorOffset + javaFrameAnchorLastJavaPcOffset; } /** * This value is only valid on AMD64. */ public int threadLastJavaFpOffset() { // TODO add an assert for AMD64 return javaThreadAnchorOffset + javaFrameAnchorLastJavaFpOffset; } /** * This value is only valid on SPARC. */ public int threadJavaFrameAnchorFlagsOffset() { // TODO add an assert for SPARC return javaThreadAnchorOffset + javaFrameAnchorFlagsOffset; } // These are only valid on AMD64. @HotSpotVMConstant(name = "frame::arg_reg_save_area_bytes", archs = {"amd64"}) @Stable public int runtimeCallStackSize; @HotSpotVMConstant(name = "frame::interpreter_frame_sender_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameSenderSpOffset; @HotSpotVMConstant(name = "frame::interpreter_frame_last_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameLastSpOffset; @HotSpotVMField(name = "PtrQueue::_active", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueActiveOffset; @HotSpotVMField(name = "PtrQueue::_buf", type = "void**", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueBufferOffset; @HotSpotVMField(name = "PtrQueue::_index", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueIndexOffset; @HotSpotVMField(name = "OSThread::_interrupted", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadInterruptedOffset; @HotSpotVMConstant(name = "markOopDesc::unlocked_value") @Stable public int unlockedMask; @HotSpotVMConstant(name = "markOopDesc::biased_lock_mask_in_place") @Stable public int biasedLockMaskInPlace; @HotSpotVMConstant(name = "markOopDesc::age_mask_in_place") @Stable public int ageMaskInPlace; @HotSpotVMConstant(name = "markOopDesc::epoch_mask_in_place") @Stable public int epochMaskInPlace; @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public long markOopDescHashShift; @HotSpotVMConstant(name = "markOopDesc::hash_mask") @Stable public long markOopDescHashMask; @HotSpotVMConstant(name = "markOopDesc::hash_mask_in_place") @Stable public long markOopDescHashMaskInPlace; @HotSpotVMConstant(name = "markOopDesc::biased_lock_pattern") @Stable public int biasedLockPattern; @HotSpotVMConstant(name = "markOopDesc::no_hash_in_place") @Stable public int markWordNoHashInPlace; @HotSpotVMConstant(name = "markOopDesc::no_lock_in_place") @Stable public int markWordNoLockInPlace; /** * See {@code markOopDesc::prototype()}. */ public long arrayPrototypeMarkWord() { return markWordNoHashInPlace | markWordNoLockInPlace; } /** * See {@code markOopDesc::copy_set_hash()}. */ public long tlabIntArrayMarkWord() { long tmp = arrayPrototypeMarkWord() & (~markOopDescHashMaskInPlace); tmp |= ((0x2 & markOopDescHashMask) << markOopDescHashShift); return tmp; } /** * Mark word right shift to get identity hash code. */ @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public int identityHashCodeShift; /** * Identity hash code value when uninitialized. */ @HotSpotVMConstant(name = "markOopDesc::no_hash") @Stable public int uninitializedIdentityHashCodeValue; @HotSpotVMField(name = "Method::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int methodAccessFlagsOffset; @HotSpotVMField(name = "Method::_constMethod", type = "ConstMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodConstMethodOffset; @HotSpotVMField(name = "Method::_intrinsic_id", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodIntrinsicIdOffset; @HotSpotVMField(name = "Method::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodFlagsOffset; @HotSpotVMField(name = "Method::_vtable_index", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodVtableIndexOffset; @HotSpotVMConstant(name = "Method::_jfr_towrite") @Stable public int methodFlagsJfrTowrite; @HotSpotVMConstant(name = "Method::_caller_sensitive") @Stable public int methodFlagsCallerSensitive; @HotSpotVMConstant(name = "Method::_force_inline") @Stable public int methodFlagsForceInline; @HotSpotVMConstant(name = "Method::_dont_inline") @Stable public int methodFlagsDontInline; @HotSpotVMConstant(name = "Method::_hidden") @Stable public int methodFlagsHidden; @HotSpotVMConstant(name = "Method::nonvirtual_vtable_index") @Stable public int nonvirtualVtableIndex; @HotSpotVMConstant(name = "Method::invalid_vtable_index") @Stable public int invalidVtableIndex; @HotSpotVMConstant(name = "InvocationEntryBci") @Stable public int invocationEntryBci; @HotSpotVMField(name = "JVMCIEnv::_task", type = "CompileTask*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvTaskOffset; @HotSpotVMField(name = "JVMCIEnv::_jvmti_can_hotswap_or_post_breakpoint", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvJvmtiCanHotswapOrPostBreakpointOffset; @HotSpotVMField(name = "CompileTask::_num_inlined_bytecodes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int compileTaskNumInlinedBytecodesOffset; /** * See {@code Method::extra_stack_entries()}. */ @HotSpotVMConstant(name = "Method::extra_stack_entries_for_jsr292") @Stable public int extraStackEntries; @HotSpotVMField(name = "ConstMethod::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodConstantsOffset; @HotSpotVMField(name = "ConstMethod::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodFlagsOffset; @HotSpotVMField(name = "ConstMethod::_code_size", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodCodeSizeOffset; @HotSpotVMField(name = "ConstMethod::_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodNameIndexOffset; @HotSpotVMField(name = "ConstMethod::_signature_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodSignatureIndexOffset; @HotSpotVMField(name = "ConstMethod::_max_stack", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodMaxStackOffset; @HotSpotVMField(name = "ConstMethod::_max_locals", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodMaxLocalsOffset; @HotSpotVMConstant(name = "ConstMethod::_has_linenumber_table") @Stable public int constMethodHasLineNumberTable; @HotSpotVMConstant(name = "ConstMethod::_has_localvariable_table") @Stable public int constMethodHasLocalVariableTable; @HotSpotVMConstant(name = "ConstMethod::_has_exception_table") @Stable public int constMethodHasExceptionTable; @HotSpotVMType(name = "ExceptionTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int exceptionTableElementSize; @HotSpotVMField(name = "ExceptionTableElement::start_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementStartPcOffset; @HotSpotVMField(name = "ExceptionTableElement::end_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementEndPcOffset; @HotSpotVMField(name = "ExceptionTableElement::handler_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementHandlerPcOffset; @HotSpotVMField(name = "ExceptionTableElement::catch_type_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementCatchTypeIndexOffset; @HotSpotVMType(name = "LocalVariableTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int localVariableTableElementSize; @HotSpotVMField(name = "LocalVariableTableElement::start_bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementStartBciOffset; @HotSpotVMField(name = "LocalVariableTableElement::length", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementLengthOffset; @HotSpotVMField(name = "LocalVariableTableElement::name_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementNameCpIndexOffset; @HotSpotVMField(name = "LocalVariableTableElement::descriptor_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementDescriptorCpIndexOffset; @HotSpotVMField(name = "LocalVariableTableElement::signature_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSignatureCpIndexOffset; @HotSpotVMField(name = "LocalVariableTableElement::slot", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSlotOffset; @HotSpotVMType(name = "ConstantPool", get = HotSpotVMType.Type.SIZE) @Stable public int constantPoolSize; @HotSpotVMField(name = "ConstantPool::_tags", type = "Array*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolTagsOffset; @HotSpotVMField(name = "ConstantPool::_pool_holder", type = "InstanceKlass*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolHolderOffset; @HotSpotVMField(name = "ConstantPool::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolLengthOffset; @HotSpotVMConstant(name = "ConstantPool::CPCACHE_INDEX_TAG") @Stable public int constantPoolCpCacheIndexTag; @HotSpotVMConstant(name = "JVM_CONSTANT_Utf8") @Stable public int jvmConstantUtf8; @HotSpotVMConstant(name = "JVM_CONSTANT_Integer") @Stable public int jvmConstantInteger; @HotSpotVMConstant(name = "JVM_CONSTANT_Long") @Stable public int jvmConstantLong; @HotSpotVMConstant(name = "JVM_CONSTANT_Float") @Stable public int jvmConstantFloat; @HotSpotVMConstant(name = "JVM_CONSTANT_Double") @Stable public int jvmConstantDouble; @HotSpotVMConstant(name = "JVM_CONSTANT_Class") @Stable public int jvmConstantClass; @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClass") @Stable public int jvmConstantUnresolvedClass; @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClassInError") @Stable public int jvmConstantUnresolvedClassInError; @HotSpotVMConstant(name = "JVM_CONSTANT_String") @Stable public int jvmConstantString; @HotSpotVMConstant(name = "JVM_CONSTANT_Fieldref") @Stable public int jvmConstantFieldref; @HotSpotVMConstant(name = "JVM_CONSTANT_Methodref") @Stable public int jvmConstantMethodref; @HotSpotVMConstant(name = "JVM_CONSTANT_InterfaceMethodref") @Stable public int jvmConstantInterfaceMethodref; @HotSpotVMConstant(name = "JVM_CONSTANT_NameAndType") @Stable public int jvmConstantNameAndType; @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandle") @Stable public int jvmConstantMethodHandle; @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandleInError") @Stable public int jvmConstantMethodHandleInError; @HotSpotVMConstant(name = "JVM_CONSTANT_MethodType") @Stable public int jvmConstantMethodType; @HotSpotVMConstant(name = "JVM_CONSTANT_MethodTypeInError") @Stable public int jvmConstantMethodTypeInError; @HotSpotVMConstant(name = "JVM_CONSTANT_InvokeDynamic") @Stable public int jvmConstantInvokeDynamic; @HotSpotVMConstant(name = "JVM_CONSTANT_ExternalMax") @Stable public int jvmConstantExternalMax; @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMin") @Stable public int jvmConstantInternalMin; @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMax") @Stable public int jvmConstantInternalMax; @HotSpotVMConstant(name = "HeapWordSize") @Stable public int heapWordSize; @HotSpotVMType(name = "Symbol*", get = HotSpotVMType.Type.SIZE) @Stable public int symbolPointerSize; @HotSpotVMField(name = "Symbol::_length", type = "unsigned short", get = HotSpotVMField.Type.OFFSET) @Stable public int symbolLengthOffset; @HotSpotVMField(name = "Symbol::_body[0]", type = "jbyte", get = HotSpotVMField.Type.OFFSET) @Stable public int symbolBodyOffset; @HotSpotVMField(name = "vmSymbols::_symbols[0]", type = "Symbol*", get = HotSpotVMField.Type.ADDRESS) @Stable public long vmSymbolsSymbols; @HotSpotVMConstant(name = "vmSymbols::FIRST_SID") @Stable public int vmSymbolsFirstSID; @HotSpotVMConstant(name = "vmSymbols::SID_LIMIT") @Stable public int vmSymbolsSIDLimit; @HotSpotVMConstant(name = "JVM_ACC_HAS_FINALIZER") @Stable public int klassHasFinalizerFlag; // Modifier.SYNTHETIC is not public so we get it via vmStructs. @HotSpotVMConstant(name = "JVM_ACC_SYNTHETIC") @Stable public int syntheticFlag; /** * @see HotSpotResolvedObjectTypeImpl#createField */ @HotSpotVMConstant(name = "JVM_RECOGNIZED_FIELD_MODIFIERS") @Stable public int recognizedFieldModifiers; /** * Bit pattern that represents a non-oop. Neither the high bits nor the low bits of this value * are allowed to look like (respectively) the high or low bits of a real oop. */ @HotSpotVMField(name = "Universe::_non_oop_bits", type = "intptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long nonOopBits; @HotSpotVMField(name = "StubRoutines::_verify_oop_count", type = "jint", get = HotSpotVMField.Type.ADDRESS) @Stable public long verifyOopCounterAddress; @HotSpotVMField(name = "Universe::_verify_oop_mask", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopMask; @HotSpotVMField(name = "Universe::_verify_oop_bits", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopBits; @HotSpotVMField(name = "Universe::_base_vtable_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int universeBaseVtableSize; public final int baseVtableLength() { return universeBaseVtableSize / vtableEntrySize; } @HotSpotVMField(name = "CollectedHeap::_barrier_set", type = "BarrierSet*", get = HotSpotVMField.Type.OFFSET) @Stable public int collectedHeapBarrierSetOffset; @HotSpotVMField(name = "HeapRegion::LogOfHRGrainBytes", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int logOfHRGrainBytes; @HotSpotVMField(name = "BarrierSet::_fake_rtti", type = "BarrierSet::FakeRtti", get = HotSpotVMField.Type.OFFSET) @Stable private int barrierSetFakeRttiOffset; @HotSpotVMConstant(name = "BarrierSet::CardTableModRef") @Stable public int barrierSetCardTableModRef; @HotSpotVMConstant(name = "BarrierSet::CardTableForRS") @Stable public int barrierSetCardTableForRS; @HotSpotVMConstant(name = "BarrierSet::CardTableExtension") @Stable public int barrierSetCardTableExtension; @HotSpotVMConstant(name = "BarrierSet::G1SATBCT") @Stable public int barrierSetG1SATBCT; @HotSpotVMConstant(name = "BarrierSet::G1SATBCTLogging") @Stable public int barrierSetG1SATBCTLogging; @HotSpotVMConstant(name = "BarrierSet::ModRef") @Stable public int barrierSetModRef; @HotSpotVMField(name = "BarrierSet::FakeRtti::_concrete_tag", type = "BarrierSet::Name", get = HotSpotVMField.Type.OFFSET) @Stable private int fakeRttiConcreteTagOffset; @HotSpotVMField(name = "CardTableModRefBS::byte_map_base", type = "jbyte*", get = HotSpotVMField.Type.OFFSET) @Stable private int cardTableModRefBSByteMapBaseOffset; @HotSpotVMConstant(name = "CardTableModRefBS::card_shift") @Stable public int cardTableModRefBSCardShift; @HotSpotVMConstant(name = "CardTableModRefBS::dirty_card") @Stable public byte dirtyCardValue; @HotSpotVMConstant(name = "G1SATBCardTableModRefBS::g1_young_gen") @Stable public byte g1YoungCardValue; private final long cardtableStartAddress; private final int cardtableShift; public long cardtableStartAddress() { if (cardtableStartAddress == -1) { throw JVMCIError.shouldNotReachHere(); } return cardtableStartAddress; } public int cardtableShift() { if (cardtableShift == -1) { throw JVMCIError.shouldNotReachHere(); } return cardtableShift; } @HotSpotVMField(name = "os::_polling_page", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long safepointPollingAddress; // G1 Collector Related Values. public int g1CardQueueIndexOffset() { return javaThreadDirtyCardQueueOffset + ptrQueueIndexOffset; } public int g1CardQueueBufferOffset() { return javaThreadDirtyCardQueueOffset + ptrQueueBufferOffset; } public int g1SATBQueueMarkingOffset() { return javaThreadSatbMarkQueueOffset + ptrQueueActiveOffset; } public int g1SATBQueueIndexOffset() { return javaThreadSatbMarkQueueOffset + ptrQueueIndexOffset; } public int g1SATBQueueBufferOffset() { return javaThreadSatbMarkQueueOffset + ptrQueueBufferOffset; } @HotSpotVMField(name = "java_lang_Class::_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassOffset; @HotSpotVMField(name = "java_lang_Class::_array_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int arrayKlassOffset; @HotSpotVMField(name = "Method::_method_counters", type = "MethodCounters*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCountersOffset; @HotSpotVMField(name = "Method::_method_data", type = "MethodData*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOffset; @HotSpotVMField(name = "Method::_from_compiled_entry", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCompiledEntryOffset; @HotSpotVMField(name = "Method::_code", type = "nmethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCodeOffset; @HotSpotVMField(name = "MethodCounters::_invocation_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int invocationCounterOffset; @HotSpotVMField(name = "MethodCounters::_backedge_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int backedgeCounterOffset; @HotSpotVMConstant(name = "InvocationCounter::count_increment") @Stable public int invocationCounterIncrement; @HotSpotVMConstant(name = "InvocationCounter::count_shift") @Stable public int invocationCounterShift; @HotSpotVMField(name = "MethodData::_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataSize; @HotSpotVMField(name = "MethodData::_data_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataDataSize; @HotSpotVMField(name = "MethodData::_data[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopDataOffset; @HotSpotVMField(name = "MethodData::_trap_hist._array[0]", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopTrapHistoryOffset; @HotSpotVMField(name = "MethodData::_jvmci_ir_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataIRSizeOffset; @HotSpotVMField(name = "nmethod::_verified_entry_point", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodEntryOffset; @HotSpotVMField(name = "nmethod::_comp_level", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodCompLevelOffset; @HotSpotVMConstant(name = "CompLevel_full_optimization") @Stable public int compilationLevelFullOptimization; @HotSpotVMType(name = "BasicLock", get = HotSpotVMType.Type.SIZE) @Stable public int basicLockSize; @HotSpotVMField(name = "BasicLock::_displaced_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int basicLockDisplacedHeaderOffset; @HotSpotVMField(name = "Thread::_allocated_bytes", type = "jlong", get = HotSpotVMField.Type.OFFSET) @Stable public int threadAllocatedBytesOffset; @HotSpotVMFlag(name = "TLABWasteIncrement") @Stable public int tlabRefillWasteIncrement; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_start", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferStartOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_end", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferEndOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferTopOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_pf_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferPfTopOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_slow_allocations", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferSlowAllocationsOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_fast_refill_waste", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferFastRefillWasteOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_number_of_refills", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferNumberOfRefillsOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_refill_waste_limit", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferRefillWasteLimitOffset; @HotSpotVMField(name = "ThreadLocalAllocBuffer::_desired_size", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferDesiredSizeOffset; public int tlabSlowAllocationsOffset() { return threadTlabOffset + threadLocalAllocBufferSlowAllocationsOffset; } public int tlabFastRefillWasteOffset() { return threadTlabOffset + threadLocalAllocBufferFastRefillWasteOffset; } public int tlabNumberOfRefillsOffset() { return threadTlabOffset + threadLocalAllocBufferNumberOfRefillsOffset; } public int tlabRefillWasteLimitOffset() { return threadTlabOffset + threadLocalAllocBufferRefillWasteLimitOffset; } public int threadTlabSizeOffset() { return threadTlabOffset + threadLocalAllocBufferDesiredSizeOffset; } public int threadTlabStartOffset() { return threadTlabOffset + threadLocalAllocBufferStartOffset; } public int threadTlabEndOffset() { return threadTlabOffset + threadLocalAllocBufferEndOffset; } public int threadTlabTopOffset() { return threadTlabOffset + threadLocalAllocBufferTopOffset; } public int threadTlabPfTopOffset() { return threadTlabOffset + threadLocalAllocBufferPfTopOffset; } /** * See: {@code ThreadLocalAllocBuffer::end_reserve()}. */ public final int threadLocalAllocBufferEndReserve() { final int typeSizeInBytes = roundUp(arrayOopDescLengthOffset() + Integer.BYTES, heapWordSize); // T_INT arrays need not be 8 byte aligned. final int reserveSize = typeSizeInBytes / heapWordSize; return Integer.max(reserveSize, abstractVmVersionReserveForAllocationPrefetch); } /** * See: {@code ThreadLocalAllocBuffer::alignment_reserve()}. */ public final int tlabAlignmentReserve() { return roundUp(threadLocalAllocBufferEndReserve(), minObjAlignment()); } @HotSpotVMFlag(name = "TLABStats") @Stable public boolean tlabStats; // FIXME This is only temporary until the GC code is changed. @HotSpotVMField(name = "CompilerToVM::_supports_inline_contig_alloc", type = "bool", get = HotSpotVMField.Type.VALUE) @Stable public boolean inlineContiguousAllocationSupported; @HotSpotVMField(name = "CompilerToVM::_heap_end_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapEndAddress; @HotSpotVMField(name = "CompilerToVM::_heap_top_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapTopAddress; /** * The DataLayout header size is the same as the cell size. */ @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutHeaderSize; @HotSpotVMField(name = "DataLayout::_header._struct._tag", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutTagOffset; @HotSpotVMField(name = "DataLayout::_header._struct._flags", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutFlagsOffset; @HotSpotVMField(name = "DataLayout::_header._struct._bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutBCIOffset; @HotSpotVMField(name = "DataLayout::_cells[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutCellsOffset; @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutCellSize; @HotSpotVMConstant(name = "DataLayout::no_tag") @Stable public int dataLayoutNoTag; @HotSpotVMConstant(name = "DataLayout::bit_data_tag") @Stable public int dataLayoutBitDataTag; @HotSpotVMConstant(name = "DataLayout::counter_data_tag") @Stable public int dataLayoutCounterDataTag; @HotSpotVMConstant(name = "DataLayout::jump_data_tag") @Stable public int dataLayoutJumpDataTag; @HotSpotVMConstant(name = "DataLayout::receiver_type_data_tag") @Stable public int dataLayoutReceiverTypeDataTag; @HotSpotVMConstant(name = "DataLayout::virtual_call_data_tag") @Stable public int dataLayoutVirtualCallDataTag; @HotSpotVMConstant(name = "DataLayout::ret_data_tag") @Stable public int dataLayoutRetDataTag; @HotSpotVMConstant(name = "DataLayout::branch_data_tag") @Stable public int dataLayoutBranchDataTag; @HotSpotVMConstant(name = "DataLayout::multi_branch_data_tag") @Stable public int dataLayoutMultiBranchDataTag; @HotSpotVMConstant(name = "DataLayout::arg_info_data_tag") @Stable public int dataLayoutArgInfoDataTag; @HotSpotVMConstant(name = "DataLayout::call_type_data_tag") @Stable public int dataLayoutCallTypeDataTag; @HotSpotVMConstant(name = "DataLayout::virtual_call_type_data_tag") @Stable public int dataLayoutVirtualCallTypeDataTag; @HotSpotVMConstant(name = "DataLayout::parameters_type_data_tag") @Stable public int dataLayoutParametersTypeDataTag; @HotSpotVMConstant(name = "DataLayout::speculative_trap_data_tag") @Stable public int dataLayoutSpeculativeTrapDataTag; @HotSpotVMFlag(name = "BciProfileWidth") @Stable public int bciProfileWidth; @HotSpotVMFlag(name = "TypeProfileWidth") @Stable public int typeProfileWidth; @HotSpotVMFlag(name = "MethodProfileWidth") @Stable public int methodProfileWidth; @HotSpotVMField(name = "CodeBlob::_code_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int codeBlobCodeOffsetOffset; @HotSpotVMField(name = "DeoptimizationBlob::_unpack_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int deoptimizationBlobUnpackOffsetOffset; @HotSpotVMField(name = "DeoptimizationBlob::_uncommon_trap_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int deoptimizationBlobUncommonTrapOffsetOffset; @HotSpotVMField(name = "SharedRuntime::_ic_miss_blob", type = "RuntimeStub*", get = HotSpotVMField.Type.VALUE) @Stable private long inlineCacheMissBlob; @HotSpotVMField(name = "SharedRuntime::_wrong_method_blob", type = "RuntimeStub*", get = HotSpotVMField.Type.VALUE) @Stable private long wrongMethodBlob; @HotSpotVMField(name = "SharedRuntime::_deopt_blob", type = "DeoptimizationBlob*", get = HotSpotVMField.Type.VALUE) @Stable private long deoptBlob; @HotSpotVMManual(name = "SharedRuntime::get_ic_miss_stub()") public final long inlineCacheMissStub; @HotSpotVMManual(name = "SharedRuntime::get_handle_wrong_method_stub()") public final long handleWrongMethodStub; @HotSpotVMManual(name = "SharedRuntime::deopt_blob()->unpack()") public final long handleDeoptStub; @HotSpotVMManual(name = "SharedRuntime::deopt_blob()->uncommon_trap()") public final long uncommonTrapStub; @HotSpotVMField(name = "CodeCache::_low_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheLowBound; @HotSpotVMField(name = "CodeCache::_high_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheHighBound; @HotSpotVMField(name = "StubRoutines::_aescrypt_encryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptEncryptBlockStub; @HotSpotVMField(name = "StubRoutines::_aescrypt_decryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptDecryptBlockStub; @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_encryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingEncryptAESCryptStub; @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_decryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingDecryptAESCryptStub; @HotSpotVMField(name = "StubRoutines::_updateBytesCRC32", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long updateBytesCRC32Stub; @HotSpotVMField(name = "StubRoutines::_crc_table_adr", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long crcTableAddress; @HotSpotVMField(name = "StubRoutines::_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteArraycopy; @HotSpotVMField(name = "StubRoutines::_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortArraycopy; @HotSpotVMField(name = "StubRoutines::_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintArraycopy; @HotSpotVMField(name = "StubRoutines::_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongArraycopy; @HotSpotVMField(name = "StubRoutines::_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopy; @HotSpotVMField(name = "StubRoutines::_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopyUninit; @HotSpotVMField(name = "StubRoutines::_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopyUninit; @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopyUninit; @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopy; @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopyUninit; @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopy; @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopyUninit; @HotSpotVMField(name = "StubRoutines::_unsafe_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long unsafeArraycopy; @HotSpotVMField(name = "StubRoutines::_generic_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long genericArraycopy; @HotSpotVMAddress(name = "JVMCIRuntime::new_instance") @Stable public long newInstanceAddress; @HotSpotVMAddress(name = "JVMCIRuntime::new_array") @Stable public long newArrayAddress; @HotSpotVMAddress(name = "JVMCIRuntime::new_multi_array") @Stable public long newMultiArrayAddress; @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_array") @Stable public long dynamicNewArrayAddress; @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_instance") @Stable public long dynamicNewInstanceAddress; @HotSpotVMAddress(name = "JVMCIRuntime::thread_is_interrupted") @Stable public long threadIsInterruptedAddress; @HotSpotVMAddress(name = "JVMCIRuntime::vm_message") @Stable public long vmMessageAddress; @HotSpotVMAddress(name = "JVMCIRuntime::identity_hash_code") @Stable public long identityHashCodeAddress; @HotSpotVMAddress(name = "JVMCIRuntime::exception_handler_for_pc") @Stable public long exceptionHandlerForPcAddress; @HotSpotVMAddress(name = "JVMCIRuntime::monitorenter") @Stable public long monitorenterAddress; @HotSpotVMAddress(name = "JVMCIRuntime::monitorexit") @Stable public long monitorexitAddress; @HotSpotVMAddress(name = "JVMCIRuntime::create_null_exception") @Stable public long createNullPointerExceptionAddress; @HotSpotVMAddress(name = "JVMCIRuntime::create_out_of_bounds_exception") @Stable public long createOutOfBoundsExceptionAddress; @HotSpotVMAddress(name = "JVMCIRuntime::log_primitive") @Stable public long logPrimitiveAddress; @HotSpotVMAddress(name = "JVMCIRuntime::log_object") @Stable public long logObjectAddress; @HotSpotVMAddress(name = "JVMCIRuntime::log_printf") @Stable public long logPrintfAddress; @HotSpotVMAddress(name = "JVMCIRuntime::vm_error") @Stable public long vmErrorAddress; @HotSpotVMAddress(name = "JVMCIRuntime::load_and_clear_exception") @Stable public long loadAndClearExceptionAddress; @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_pre") @Stable public long writeBarrierPreAddress; @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_post") @Stable public long writeBarrierPostAddress; @HotSpotVMAddress(name = "JVMCIRuntime::validate_object") @Stable public long validateObject; @HotSpotVMAddress(name = "JVMCIRuntime::test_deoptimize_call_int") @Stable public long testDeoptimizeCallInt; @HotSpotVMAddress(name = "SharedRuntime::register_finalizer") @Stable public long registerFinalizerAddress; @HotSpotVMAddress(name = "SharedRuntime::exception_handler_for_return_address") @Stable public long exceptionHandlerForReturnAddressAddress; @HotSpotVMAddress(name = "SharedRuntime::OSR_migration_end") @Stable public long osrMigrationEndAddress; @HotSpotVMAddress(name = "os::javaTimeMillis") @Stable public long javaTimeMillisAddress; @HotSpotVMAddress(name = "os::javaTimeNanos") @Stable public long javaTimeNanosAddress; @HotSpotVMAddress(name = "SharedRuntime::dsin") @Stable public long arithmeticSinAddress; @HotSpotVMAddress(name = "SharedRuntime::dcos") @Stable public long arithmeticCosAddress; @HotSpotVMAddress(name = "SharedRuntime::dtan") @Stable public long arithmeticTanAddress; @HotSpotVMAddress(name = "SharedRuntime::dexp") @Stable public long arithmeticExpAddress; @HotSpotVMAddress(name = "SharedRuntime::dlog") @Stable public long arithmeticLogAddress; @HotSpotVMAddress(name = "SharedRuntime::dlog10") @Stable public long arithmeticLog10Address; @HotSpotVMAddress(name = "SharedRuntime::dpow") @Stable public long arithmeticPowAddress; @HotSpotVMFlag(name = "JVMCICounterSize") @Stable public int jvmciCountersSize; @HotSpotVMAddress(name = "Deoptimization::fetch_unroll_info") @Stable public long deoptimizationFetchUnrollInfo; @HotSpotVMAddress(name = "Deoptimization::uncommon_trap") @Stable public long deoptimizationUncommonTrap; @HotSpotVMAddress(name = "Deoptimization::unpack_frames") @Stable public long deoptimizationUnpackFrames; @HotSpotVMConstant(name = "Deoptimization::Reason_none") @Stable public int deoptReasonNone; @HotSpotVMConstant(name = "Deoptimization::Reason_null_check") @Stable public int deoptReasonNullCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_range_check") @Stable public int deoptReasonRangeCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_class_check") @Stable public int deoptReasonClassCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_array_check") @Stable public int deoptReasonArrayCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_unreached0") @Stable public int deoptReasonUnreached0; @HotSpotVMConstant(name = "Deoptimization::Reason_type_checked_inlining") @Stable public int deoptReasonTypeCheckInlining; @HotSpotVMConstant(name = "Deoptimization::Reason_optimized_type_check") @Stable public int deoptReasonOptimizedTypeCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_not_compiled_exception_handler") @Stable public int deoptReasonNotCompiledExceptionHandler; @HotSpotVMConstant(name = "Deoptimization::Reason_unresolved") @Stable public int deoptReasonUnresolved; @HotSpotVMConstant(name = "Deoptimization::Reason_jsr_mismatch") @Stable public int deoptReasonJsrMismatch; @HotSpotVMConstant(name = "Deoptimization::Reason_div0_check") @Stable public int deoptReasonDiv0Check; @HotSpotVMConstant(name = "Deoptimization::Reason_constraint") @Stable public int deoptReasonConstraint; @HotSpotVMConstant(name = "Deoptimization::Reason_loop_limit_check") @Stable public int deoptReasonLoopLimitCheck; @HotSpotVMConstant(name = "Deoptimization::Reason_aliasing") @Stable public int deoptReasonAliasing; @HotSpotVMConstant(name = "Deoptimization::Reason_transfer_to_interpreter") @Stable public int deoptReasonTransferToInterpreter; @HotSpotVMConstant(name = "Deoptimization::Reason_LIMIT") @Stable public int deoptReasonOSROffset; @HotSpotVMConstant(name = "Deoptimization::Action_none") @Stable public int deoptActionNone; @HotSpotVMConstant(name = "Deoptimization::Action_maybe_recompile") @Stable public int deoptActionMaybeRecompile; @HotSpotVMConstant(name = "Deoptimization::Action_reinterpret") @Stable public int deoptActionReinterpret; @HotSpotVMConstant(name = "Deoptimization::Action_make_not_entrant") @Stable public int deoptActionMakeNotEntrant; @HotSpotVMConstant(name = "Deoptimization::Action_make_not_compilable") @Stable public int deoptActionMakeNotCompilable; @HotSpotVMConstant(name = "Deoptimization::_action_bits") @Stable public int deoptimizationActionBits; @HotSpotVMConstant(name = "Deoptimization::_reason_bits") @Stable public int deoptimizationReasonBits; @HotSpotVMConstant(name = "Deoptimization::_debug_id_bits") @Stable public int deoptimizationDebugIdBits; @HotSpotVMConstant(name = "Deoptimization::_action_shift") @Stable public int deoptimizationActionShift; @HotSpotVMConstant(name = "Deoptimization::_reason_shift") @Stable public int deoptimizationReasonShift; @HotSpotVMConstant(name = "Deoptimization::_debug_id_shift") @Stable public int deoptimizationDebugIdShift; @HotSpotVMConstant(name = "Deoptimization::Unpack_deopt") @Stable public int deoptimizationUnpackDeopt; @HotSpotVMConstant(name = "Deoptimization::Unpack_exception") @Stable public int deoptimizationUnpackException; @HotSpotVMConstant(name = "Deoptimization::Unpack_uncommon_trap") @Stable public int deoptimizationUnpackUncommonTrap; @HotSpotVMConstant(name = "Deoptimization::Unpack_reexecute") @Stable public int deoptimizationUnpackReexecute; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_size_of_deoptimized_frame", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockSizeOfDeoptimizedFrameOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_caller_adjustment", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockCallerAdjustmentOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_number_of_frames", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockNumberOfFramesOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_total_frame_sizes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockTotalFrameSizesOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_sizes", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFrameSizesOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_pcs", type = "address*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFramePcsOffset; @HotSpotVMField(name = "Deoptimization::UnrollBlock::_initial_info", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockInitialInfoOffset; @HotSpotVMConstant(name = "vmIntrinsics::_invokeBasic") @Stable public int vmIntrinsicInvokeBasic; @HotSpotVMConstant(name = "vmIntrinsics::_linkToVirtual") @Stable public int vmIntrinsicLinkToVirtual; @HotSpotVMConstant(name = "vmIntrinsics::_linkToStatic") @Stable public int vmIntrinsicLinkToStatic; @HotSpotVMConstant(name = "vmIntrinsics::_linkToSpecial") @Stable public int vmIntrinsicLinkToSpecial; @HotSpotVMConstant(name = "vmIntrinsics::_linkToInterface") @Stable public int vmIntrinsicLinkToInterface; @HotSpotVMConstant(name = "JVMCIEnv::ok") @Stable public int codeInstallResultOk; @HotSpotVMConstant(name = "JVMCIEnv::dependencies_failed") @Stable public int codeInstallResultDependenciesFailed; @HotSpotVMConstant(name = "JVMCIEnv::dependencies_invalid") @Stable public int codeInstallResultDependenciesInvalid; @HotSpotVMConstant(name = "JVMCIEnv::cache_full") @Stable public int codeInstallResultCacheFull; @HotSpotVMConstant(name = "JVMCIEnv::code_too_large") @Stable public int codeInstallResultCodeTooLarge; public String getCodeInstallResultDescription(int codeInstallResult) { if (codeInstallResult == codeInstallResultOk) { return "ok"; } if (codeInstallResult == codeInstallResultDependenciesFailed) { return "dependencies failed"; } if (codeInstallResult == codeInstallResultDependenciesInvalid) { return "dependencies invalid"; } if (codeInstallResult == codeInstallResultCacheFull) { return "code cache is full"; } if (codeInstallResult == codeInstallResultCodeTooLarge) { return "code is too large"; } assert false : codeInstallResult; return "unknown"; } @HotSpotVMConstant(name = "CompilerToVM::KLASS_TAG") @Stable public int compilerToVMKlassTag; @HotSpotVMConstant(name = "CompilerToVM::SYMBOL_TAG") @Stable public int compilerToVMSymbolTag; // Checkstyle: stop @HotSpotVMConstant(name = "CodeInstaller::VERIFIED_ENTRY") @Stable public int MARKID_VERIFIED_ENTRY; @HotSpotVMConstant(name = "CodeInstaller::UNVERIFIED_ENTRY") @Stable public int MARKID_UNVERIFIED_ENTRY; @HotSpotVMConstant(name = "CodeInstaller::OSR_ENTRY") @Stable public int MARKID_OSR_ENTRY; @HotSpotVMConstant(name = "CodeInstaller::EXCEPTION_HANDLER_ENTRY") @Stable public int MARKID_EXCEPTION_HANDLER_ENTRY; @HotSpotVMConstant(name = "CodeInstaller::DEOPT_HANDLER_ENTRY") @Stable public int MARKID_DEOPT_HANDLER_ENTRY; @HotSpotVMConstant(name = "CodeInstaller::INVOKEINTERFACE") @Stable public int MARKID_INVOKEINTERFACE; @HotSpotVMConstant(name = "CodeInstaller::INVOKEVIRTUAL") @Stable public int MARKID_INVOKEVIRTUAL; @HotSpotVMConstant(name = "CodeInstaller::INVOKESTATIC") @Stable public int MARKID_INVOKESTATIC; @HotSpotVMConstant(name = "CodeInstaller::INVOKESPECIAL") @Stable public int MARKID_INVOKESPECIAL; @HotSpotVMConstant(name = "CodeInstaller::INLINE_INVOKE") @Stable public int MARKID_INLINE_INVOKE; @HotSpotVMConstant(name = "CodeInstaller::POLL_NEAR") @Stable public int MARKID_POLL_NEAR; @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_NEAR") @Stable public int MARKID_POLL_RETURN_NEAR; @HotSpotVMConstant(name = "CodeInstaller::POLL_FAR") @Stable public int MARKID_POLL_FAR; @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_FAR") @Stable public int MARKID_POLL_RETURN_FAR; @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_ADDRESS") @Stable public int MARKID_CARD_TABLE_ADDRESS; @HotSpotVMConstant(name = "CodeInstaller::HEAP_TOP_ADDRESS") @Stable public int MARKID_HEAP_TOP_ADDRESS; @HotSpotVMConstant(name = "CodeInstaller::HEAP_END_ADDRESS") @Stable public int MARKID_HEAP_END_ADDRESS; @HotSpotVMConstant(name = "CodeInstaller::NARROW_KLASS_BASE_ADDRESS") @Stable public int MARKID_NARROW_KLASS_BASE_ADDRESS; @HotSpotVMConstant(name = "CodeInstaller::CRC_TABLE_ADDRESS") @Stable public int MARKID_CRC_TABLE_ADDRESS; @HotSpotVMConstant(name = "CodeInstaller::INVOKE_INVALID") @Stable public int MARKID_INVOKE_INVALID; // Checkstyle: resume private boolean check() { for (Field f : getClass().getDeclaredFields()) { int modifiers = f.getModifiers(); if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) { assert Modifier.isFinal(modifiers) || f.getAnnotation(Stable.class) != null : "field should either be final or @Stable: " + f; } } assert codeEntryAlignment > 0 : codeEntryAlignment; assert (layoutHelperArrayTagObjectValue & (1 << (Integer.SIZE - 1))) != 0 : "object array must have first bit set"; assert (layoutHelperArrayTagTypeValue & (1 << (Integer.SIZE - 1))) != 0 : "type array must have first bit set"; return true; } /** * A compact representation of the different encoding strategies for Objects and metadata. */ public static class CompressEncoding { public final long base; public final int shift; public final int alignment; CompressEncoding(long base, int shift, int alignment) { this.base = base; this.shift = shift; this.alignment = alignment; } public int compress(long ptr) { if (ptr == 0L) { return 0; } else { return (int) ((ptr - base) >>> shift); } } public long uncompress(int ptr) { if (ptr == 0) { return 0L; } else { return ((ptr & 0xFFFFFFFFL) << shift) + base; } } @Override public String toString() { return "base: " + base + " shift: " + shift + " alignment: " + alignment; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + alignment; result = prime * result + (int) (base ^ (base >>> 32)); result = prime * result + shift; return result; } @Override public boolean equals(Object obj) { if (obj instanceof CompressEncoding) { CompressEncoding other = (CompressEncoding) obj; return alignment == other.alignment && base == other.base && shift == other.shift; } else { return false; } } } }