--- /dev/null 2015-09-16 15:20:22.000000000 -0700 +++ new/src/java.base/share/classes/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotVMConfig.java 2015-09-16 15:20:22.000000000 -0700 @@ -0,0 +1,1765 @@ +/* + * 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.internal.jvmci.hotspot; + +import static jdk.internal.jvmci.common.UnsafeUtil.readCString; +import static jdk.internal.jvmci.hotspot.UnsafeAccess.UNSAFE; + +import java.lang.reflect.*; +import java.util.*; + +import sun.misc.*; + +import jdk.internal.jvmci.common.*; +import jdk.internal.jvmci.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; + + // 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 == 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 == barrierSetCardTableForRS) { + throw JVMCIError.unimplemented(); + } 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: + 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 = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodIntrinsicIdOffset; + @HotSpotVMField(name = "Method::_flags", type = "u1", 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; + + @HotSpotVMConstant(name = "JVM_ACC_MONITOR_MATCH") @Stable public int jvmAccMonitorMatch; + @HotSpotVMConstant(name = "JVM_ACC_HAS_MONITOR_BYTECODES") @Stable public int jvmAccHasMonitorBytecodes; + + @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; + } + } + } + +}