--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotConstantPool.java	Tue May 19 23:16:07 2015 +0200
@@ -0,0 +1,619 @@
+/*
+ * Copyright (c) 2011, 2014, 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 com.oracle.graal.hotspot.jvmci;
+
+import static com.oracle.graal.compiler.common.UnsafeAccess.*;
+import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
+
+import java.lang.invoke.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.bytecode.*;
+import com.oracle.graal.compiler.common.*;
+import com.oracle.graal.hotspot.*;
+import com.oracle.graal.hotspot.meta.*;
+
+/**
+ * Implementation of {@link ConstantPool} for HotSpot.
+ */
+public class HotSpotConstantPool implements ConstantPool, HotSpotProxified {
+
+    /**
+     * Enum of all {@code JVM_CONSTANT} constants used in the VM. This includes the public and
+     * internal ones.
+     */
+    private enum JVM_CONSTANT {
+        // @formatter:off
+        Utf8(config().jvmConstantUtf8),
+        Integer(config().jvmConstantInteger),
+        Long(config().jvmConstantLong),
+        Float(config().jvmConstantFloat),
+        Double(config().jvmConstantDouble),
+        Class(config().jvmConstantClass),
+        UnresolvedClass(config().jvmConstantUnresolvedClass),
+        UnresolvedClassInError(config().jvmConstantUnresolvedClassInError),
+        String(config().jvmConstantString),
+        Fieldref(config().jvmConstantFieldref),
+        MethodRef(config().jvmConstantMethodref),
+        InterfaceMethodref(config().jvmConstantInterfaceMethodref),
+        NameAndType(config().jvmConstantNameAndType),
+        MethodHandle(config().jvmConstantMethodHandle),
+        MethodHandleInError(config().jvmConstantMethodHandleInError),
+        MethodType(config().jvmConstantMethodType),
+        MethodTypeInError(config().jvmConstantMethodTypeInError),
+        InvokeDynamic(config().jvmConstantInvokeDynamic);
+        // @formatter:on
+
+        private final int tag;
+
+        private static final int ExternalMax = config().jvmConstantExternalMax;
+        private static final int InternalMin = config().jvmConstantInternalMin;
+        private static final int InternalMax = config().jvmConstantInternalMax;
+
+        private JVM_CONSTANT(int tag) {
+            this.tag = tag;
+        }
+
+        private static HotSpotVMConfig config() {
+            return runtime().getConfig();
+        }
+
+        /**
+         * Maps JVM_CONSTANT tags to {@link JVM_CONSTANT} values. Using a separate class for lazy
+         * initialization.
+         */
+        static class TagValueMap {
+            private static final JVM_CONSTANT[] table = new JVM_CONSTANT[ExternalMax + 1 + (InternalMax - InternalMin) + 1];
+            static {
+                assert InternalMin > ExternalMax;
+                for (JVM_CONSTANT e : values()) {
+                    table[indexOf(e.tag)] = e;
+                }
+            }
+
+            private static int indexOf(int tag) {
+                if (tag >= InternalMin) {
+                    return tag - InternalMin + ExternalMax + 1;
+                } else {
+                    assert tag <= ExternalMax;
+                }
+                return tag;
+            }
+
+            static JVM_CONSTANT get(int tag) {
+                JVM_CONSTANT res = table[indexOf(tag)];
+                if (res != null) {
+                    return res;
+                }
+                throw GraalInternalError.shouldNotReachHere("unknown JVM_CONSTANT tag " + tag);
+            }
+        }
+
+        public static JVM_CONSTANT getEnum(int tag) {
+            return TagValueMap.get(tag);
+        }
+    }
+
+    private static class LookupTypeCacheElement {
+        int lastCpi = Integer.MIN_VALUE;
+        JavaType javaType;
+
+        public LookupTypeCacheElement(int lastCpi, JavaType javaType) {
+            super();
+            this.lastCpi = lastCpi;
+            this.javaType = javaType;
+        }
+    }
+
+    /**
+     * Reference to the C++ ConstantPool object.
+     */
+    private final long metaspaceConstantPool;
+    private final Object[] cache;
+    private volatile LookupTypeCacheElement lastLookupType;
+
+    public HotSpotConstantPool(long metaspaceConstantPool) {
+        this.metaspaceConstantPool = metaspaceConstantPool;
+        cache = new Object[length()];
+    }
+
+    /**
+     * Gets the holder for this constant pool as {@link HotSpotResolvedObjectTypeImpl}.
+     *
+     * @return holder for this constant pool
+     */
+    private HotSpotResolvedObjectType getHolder() {
+        final long metaspaceKlass = unsafe.getAddress(metaspaceConstantPool + runtime().getConfig().constantPoolHolderOffset);
+        return HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass);
+    }
+
+    /**
+     * Converts a raw index from the bytecodes to a constant pool index by adding a
+     * {@link HotSpotVMConfig#constantPoolCpCacheIndexTag constant}.
+     *
+     * @param rawIndex index from the bytecode
+     * @param opcode bytecode to convert the index for
+     * @return constant pool index
+     */
+    private static int toConstantPoolIndex(int rawIndex, int opcode) {
+        int index;
+        if (opcode == Bytecodes.INVOKEDYNAMIC) {
+            index = rawIndex;
+            // See: ConstantPool::is_invokedynamic_index
+            assert index < 0 : "not an invokedynamic constant pool index " + index;
+        } else {
+            assert opcode == Bytecodes.GETFIELD || opcode == Bytecodes.PUTFIELD || opcode == Bytecodes.GETSTATIC || opcode == Bytecodes.PUTSTATIC || opcode == Bytecodes.INVOKEINTERFACE ||
+                            opcode == Bytecodes.INVOKEVIRTUAL || opcode == Bytecodes.INVOKESPECIAL || opcode == Bytecodes.INVOKESTATIC : "unexpected invoke opcode " + Bytecodes.nameOf(opcode);
+            index = rawIndex + runtime().getConfig().constantPoolCpCacheIndexTag;
+        }
+        return index;
+    }
+
+    /**
+     * Decode a constant pool cache index to a constant pool index.
+     *
+     * See {@code ConstantPool::decode_cpcache_index}.
+     *
+     * @param index constant pool cache index
+     * @return decoded index
+     */
+    private static int decodeConstantPoolCacheIndex(int index) {
+        if (isInvokedynamicIndex(index)) {
+            return decodeInvokedynamicIndex(index);
+        } else {
+            return index - runtime().getConfig().constantPoolCpCacheIndexTag;
+        }
+    }
+
+    /**
+     * See {@code ConstantPool::is_invokedynamic_index}.
+     */
+    private static boolean isInvokedynamicIndex(int index) {
+        return index < 0;
+    }
+
+    /**
+     * See {@code ConstantPool::decode_invokedynamic_index}.
+     */
+    private static int decodeInvokedynamicIndex(int i) {
+        assert isInvokedynamicIndex(i) : i;
+        return ~i;
+    }
+
+    /**
+     * Gets the constant pool tag at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return constant pool tag
+     */
+    private JVM_CONSTANT getTagAt(int index) {
+        assertBounds(index);
+        HotSpotVMConfig config = runtime().getConfig();
+        final long metaspaceConstantPoolTags = unsafe.getAddress(metaspaceConstantPool + config.constantPoolTagsOffset);
+        final int tag = unsafe.getByteVolatile(null, metaspaceConstantPoolTags + config.arrayU1DataOffset + index);
+        if (tag == 0) {
+            return null;
+        }
+        return JVM_CONSTANT.getEnum(tag);
+    }
+
+    /**
+     * Gets the constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return constant pool entry
+     */
+    private long getEntryAt(int index) {
+        assertBounds(index);
+        return unsafe.getAddress(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the integer constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return integer constant pool entry at index
+     */
+    private int getIntAt(int index) {
+        assertTag(index, JVM_CONSTANT.Integer);
+        return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the long constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return long constant pool entry
+     */
+    private long getLongAt(int index) {
+        assertTag(index, JVM_CONSTANT.Long);
+        return unsafe.getLong(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the float constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return float constant pool entry
+     */
+    private float getFloatAt(int index) {
+        assertTag(index, JVM_CONSTANT.Float);
+        return unsafe.getFloat(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the double constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return float constant pool entry
+     */
+    private double getDoubleAt(int index) {
+        assertTag(index, JVM_CONSTANT.Double);
+        return unsafe.getDouble(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the {@code JVM_CONSTANT_NameAndType} constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return {@code JVM_CONSTANT_NameAndType} constant pool entry
+     */
+    private int getNameAndTypeAt(int index) {
+        assertTag(index, JVM_CONSTANT.NameAndType);
+        return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+    }
+
+    /**
+     * Gets the {@code JVM_CONSTANT_NameAndType} reference index constant pool entry at index
+     * {@code index}.
+     *
+     * @param index constant pool index
+     * @return {@code JVM_CONSTANT_NameAndType} reference constant pool entry
+     */
+    private int getNameAndTypeRefIndexAt(int index) {
+        return runtime().getCompilerToVM().lookupNameAndTypeRefIndexInPool(metaspaceConstantPool, index);
+    }
+
+    /**
+     * Gets the name of a {@code JVM_CONSTANT_NameAndType} constant pool entry at index
+     * {@code index}.
+     *
+     * @param index constant pool index
+     * @return name as {@link String}
+     */
+    private String getNameRefAt(int index) {
+        return runtime().getCompilerToVM().lookupNameRefInPool(metaspaceConstantPool, index);
+    }
+
+    /**
+     * Gets the name reference index of a {@code JVM_CONSTANT_NameAndType} constant pool entry at
+     * index {@code index}.
+     *
+     * @param index constant pool index
+     * @return name reference index
+     */
+    private int getNameRefIndexAt(int index) {
+        final int refIndex = getNameAndTypeAt(index);
+        // name ref index is in the low 16-bits.
+        return refIndex & 0xFFFF;
+    }
+
+    /**
+     * Gets the signature of a {@code JVM_CONSTANT_NameAndType} constant pool entry at index
+     * {@code index}.
+     *
+     * @param index constant pool index
+     * @return signature as {@link String}
+     */
+    private String getSignatureRefAt(int index) {
+        return runtime().getCompilerToVM().lookupSignatureRefInPool(metaspaceConstantPool, index);
+    }
+
+    /**
+     * Gets the signature reference index of a {@code JVM_CONSTANT_NameAndType} constant pool entry
+     * at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return signature reference index
+     */
+    private int getSignatureRefIndexAt(int index) {
+        final int refIndex = getNameAndTypeAt(index);
+        // signature ref index is in the high 16-bits.
+        return refIndex >>> 16;
+    }
+
+    /**
+     * Gets the klass reference index constant pool entry at index {@code index}.
+     *
+     * @param index constant pool index
+     * @return klass reference index
+     */
+    private int getKlassRefIndexAt(int index) {
+        return runtime().getCompilerToVM().lookupKlassRefIndexInPool(metaspaceConstantPool, index);
+    }
+
+    /**
+     * Gets the uncached klass reference index constant pool entry at index {@code index}. See:
+     * {@code ConstantPool::uncached_klass_ref_index_at}.
+     *
+     * @param index constant pool index
+     * @return klass reference index
+     */
+    private int getUncachedKlassRefIndexAt(int index) {
+        assert getTagAt(index) == JVM_CONSTANT.Fieldref || getTagAt(index) == JVM_CONSTANT.MethodRef || getTagAt(index) == JVM_CONSTANT.InterfaceMethodref;
+        final int refIndex = unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getTarget().wordSize);
+        // klass ref index is in the low 16-bits.
+        return refIndex & 0xFFFF;
+    }
+
+    /**
+     * Asserts that the constant pool index {@code index} is in the bounds of the constant pool.
+     *
+     * @param index constant pool index
+     */
+    private void assertBounds(int index) {
+        assert 0 <= index && index < length() : "index " + index + " not between 0 and " + length();
+    }
+
+    /**
+     * Asserts that the constant pool tag at index {@code index} is equal to {@code tag}.
+     *
+     * @param index constant pool index
+     * @param tag expected tag
+     */
+    private void assertTag(int index, JVM_CONSTANT tag) {
+        assert getTagAt(index) == tag : "constant pool tag at index " + index + " is " + getTagAt(index) + " but expected " + tag;
+    }
+
+    @Override
+    public int length() {
+        return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolLengthOffset);
+    }
+
+    @Override
+    public Object lookupConstant(int cpi) {
+        assert cpi != 0;
+        final JVM_CONSTANT tag = getTagAt(cpi);
+        switch (tag) {
+            case Integer:
+                return JavaConstant.forInt(getIntAt(cpi));
+            case Long:
+                return JavaConstant.forLong(getLongAt(cpi));
+            case Float:
+                return JavaConstant.forFloat(getFloatAt(cpi));
+            case Double:
+                return JavaConstant.forDouble(getDoubleAt(cpi));
+            case Class:
+            case UnresolvedClass:
+            case UnresolvedClassInError:
+                final int opcode = -1;  // opcode is not used
+                return lookupType(cpi, opcode);
+            case String:
+                Object string = runtime().getCompilerToVM().resolvePossiblyCachedConstantInPool(metaspaceConstantPool, cpi);
+                return HotSpotObjectConstantImpl.forObject(string);
+            case MethodHandle:
+            case MethodHandleInError:
+            case MethodType:
+            case MethodTypeInError:
+                Object obj = runtime().getCompilerToVM().resolveConstantInPool(metaspaceConstantPool, cpi);
+                return HotSpotObjectConstantImpl.forObject(obj);
+            default:
+                throw GraalInternalError.shouldNotReachHere("unknown constant pool tag " + tag);
+        }
+    }
+
+    @Override
+    public String lookupUtf8(int cpi) {
+        assertTag(cpi, JVM_CONSTANT.Utf8);
+        return runtime().getCompilerToVM().getSymbol(getEntryAt(cpi));
+    }
+
+    @Override
+    public Signature lookupSignature(int cpi) {
+        return new HotSpotSignature(runtime(), lookupUtf8(cpi));
+    }
+
+    @Override
+    public JavaConstant lookupAppendix(int cpi, int opcode) {
+        assert Bytecodes.isInvoke(opcode);
+        final int index = toConstantPoolIndex(cpi, opcode);
+        Object result = runtime().getCompilerToVM().lookupAppendixInPool(metaspaceConstantPool, index);
+        if (result == null) {
+            return null;
+        } else {
+            return HotSpotObjectConstantImpl.forObject(result);
+        }
+    }
+
+    /**
+     * Gets a {@link JavaType} corresponding a given metaspace Klass or a metaspace Symbol depending
+     * on the {@link HotSpotVMConfig#compilerToVMKlassTag tag}.
+     *
+     * @param metaspacePointer either a metaspace Klass or a metaspace Symbol
+     */
+    private static JavaType getJavaType(final long metaspacePointer) {
+        HotSpotGraalRuntimeProvider runtime = runtime();
+        HotSpotVMConfig config = runtime.getConfig();
+        if ((metaspacePointer & config.compilerToVMSymbolTag) != 0) {
+            final long metaspaceSymbol = metaspacePointer & ~config.compilerToVMSymbolTag;
+            String name = runtime.getCompilerToVM().getSymbol(metaspaceSymbol);
+            return HotSpotUnresolvedJavaType.create(runtime(), "L" + name + ";");
+        } else {
+            assert (metaspacePointer & config.compilerToVMKlassTag) == 0;
+            return HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspacePointer);
+        }
+    }
+
+    @Override
+    public JavaMethod lookupMethod(int cpi, int opcode) {
+        if (opcode != Bytecodes.INVOKEDYNAMIC) {
+            Object result = cache[cpi];
+            if (result != null) {
+                return (ResolvedJavaMethod) result;
+            }
+        }
+        final int index = toConstantPoolIndex(cpi, opcode);
+        final long metaspaceMethod = runtime().getCompilerToVM().lookupMethodInPool(metaspaceConstantPool, index, (byte) opcode);
+        if (metaspaceMethod != 0L) {
+            HotSpotResolvedJavaMethod result = HotSpotResolvedJavaMethodImpl.fromMetaspace(metaspaceMethod);
+            if (opcode != Bytecodes.INVOKEDYNAMIC) {
+                cache[cpi] = result;
+            }
+            return result;
+        } else {
+            // Get the method's name and signature.
+            String name = getNameRefAt(index);
+            HotSpotSignature signature = new HotSpotSignature(runtime(), getSignatureRefAt(index));
+            if (opcode == Bytecodes.INVOKEDYNAMIC) {
+                HotSpotResolvedObjectType holder = HotSpotResolvedObjectTypeImpl.fromObjectClass(MethodHandle.class);
+                return new HotSpotMethodUnresolved(name, signature, holder);
+            } else {
+                final int klassIndex = getKlassRefIndexAt(index);
+                final long metaspacePointer = runtime().getCompilerToVM().lookupKlassInPool(metaspaceConstantPool, klassIndex);
+                JavaType holder = getJavaType(metaspacePointer);
+                return new HotSpotMethodUnresolved(name, signature, holder);
+            }
+        }
+    }
+
+    @Override
+    public JavaType lookupType(int cpi, int opcode) {
+        final LookupTypeCacheElement elem = this.lastLookupType;
+        if (elem != null && elem.lastCpi == cpi) {
+            return elem.javaType;
+        } else {
+            final long metaspacePointer = runtime().getCompilerToVM().lookupKlassInPool(metaspaceConstantPool, cpi);
+            JavaType result = getJavaType(metaspacePointer);
+            if (result instanceof ResolvedJavaType) {
+                this.lastLookupType = new LookupTypeCacheElement(cpi, result);
+            }
+            return result;
+        }
+    }
+
+    @Override
+    public JavaField lookupField(int cpi, int opcode) {
+        Object resolvedJavaField = cache[cpi];
+        if (resolvedJavaField != null) {
+            return (ResolvedJavaField) resolvedJavaField;
+        }
+        final int index = toConstantPoolIndex(cpi, opcode);
+        final int nameAndTypeIndex = getNameAndTypeRefIndexAt(index);
+        final int nameIndex = getNameRefIndexAt(nameAndTypeIndex);
+        String name = lookupUtf8(nameIndex);
+        final int typeIndex = getSignatureRefIndexAt(nameAndTypeIndex);
+        String typeName = lookupUtf8(typeIndex);
+        JavaType type = runtime().lookupType(typeName, getHolder(), false);
+
+        final int holderIndex = getKlassRefIndexAt(index);
+        JavaType holder = lookupType(holderIndex, opcode);
+
+        if (holder instanceof HotSpotResolvedObjectTypeImpl) {
+            long[] info = new long[2];
+            long metaspaceKlass;
+            try {
+                metaspaceKlass = runtime().getCompilerToVM().resolveField(metaspaceConstantPool, index, (byte) opcode, info);
+            } catch (Throwable t) {
+                /*
+                 * If there was an exception resolving the field we give up and return an unresolved
+                 * field.
+                 */
+                return new HotSpotUnresolvedField(holder, name, type);
+            }
+            HotSpotResolvedObjectTypeImpl resolvedHolder = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass);
+            final int flags = (int) info[0];
+            final long offset = info[1];
+            HotSpotResolvedJavaField result = resolvedHolder.createField(name, type, offset, flags);
+            if (type instanceof ResolvedJavaType) {
+                cache[cpi] = result;
+            }
+            return result;
+        } else {
+            return new HotSpotUnresolvedField(holder, name, type);
+        }
+    }
+
+    @Override
+    public void loadReferencedType(int cpi, int opcode) {
+        int index;
+        switch (opcode) {
+            case Bytecodes.CHECKCAST:
+            case Bytecodes.INSTANCEOF:
+            case Bytecodes.NEW:
+            case Bytecodes.ANEWARRAY:
+            case Bytecodes.MULTIANEWARRAY:
+            case Bytecodes.LDC:
+            case Bytecodes.LDC_W:
+            case Bytecodes.LDC2_W:
+                index = cpi;
+                break;
+            case Bytecodes.INVOKEDYNAMIC:
+                // invokedynamic instructions point to a constant pool cache entry.
+                index = decodeConstantPoolCacheIndex(cpi) + runtime().getConfig().constantPoolCpCacheIndexTag;
+                index = runtime().getCompilerToVM().constantPoolRemapInstructionOperandFromCache(metaspaceConstantPool, index);
+                break;
+            default:
+                index = toConstantPoolIndex(cpi, opcode);
+                index = runtime().getCompilerToVM().constantPoolRemapInstructionOperandFromCache(metaspaceConstantPool, index);
+        }
+
+        JVM_CONSTANT tag = getTagAt(index);
+        if (tag == null) {
+            assert getTagAt(index - 1) == JVM_CONSTANT.Double || getTagAt(index - 1) == JVM_CONSTANT.Long;
+            return;
+        }
+        switch (tag) {
+            case Fieldref:
+            case MethodRef:
+            case InterfaceMethodref:
+                index = getUncachedKlassRefIndexAt(index);
+                tag = getTagAt(index);
+                assert tag == JVM_CONSTANT.Class || tag == JVM_CONSTANT.UnresolvedClass || tag == JVM_CONSTANT.UnresolvedClassInError : tag;
+                // fall through
+            case Class:
+            case UnresolvedClass:
+            case UnresolvedClassInError:
+                final long metaspaceKlass = runtime().getCompilerToVM().constantPoolKlassAt(metaspaceConstantPool, index);
+                HotSpotResolvedObjectTypeImpl type = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass);
+                Class<?> klass = type.mirror();
+                if (!klass.isPrimitive() && !klass.isArray()) {
+                    unsafe.ensureClassInitialized(klass);
+                }
+                break;
+            case InvokeDynamic:
+                if (isInvokedynamicIndex(cpi)) {
+                    runtime().getCompilerToVM().resolveInvokeDynamic(metaspaceConstantPool, cpi);
+                }
+                break;
+            default:
+                // nothing
+                break;
+        }
+    }
+
+    @Override
+    public String toString() {
+        HotSpotResolvedObjectType holder = getHolder();
+        return "HotSpotConstantPool<" + holder.toJavaName() + ">";
+    }
+}