Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotProxy.java @ 5138:4d8ebb0fc484
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 21 Mar 2012 13:57:30 +0100 |
parents | e808627bd16f |
children |
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/* * Copyright (c) 2011, 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; /** * Provides methods to classify the HotSpot-internal identifiers. */ public final class HotSpotProxy { private HotSpotProxy() { } private enum CompilerObjectType { // this enum needs to have the same values as the one in graal_Compiler.hpp STUB(0x100000000000000L), METHOD(0x200000000000000L), CLASS(0x300000000000000L), SYMBOL(0x400000000000000L), CONSTANT_POOL(0x500000000000000L), CONSTANT(0x600000000000000L), TYPE_MASK(0xf00000000000000L), DUMMY_CONSTANT(0x6ffffffffffffffL); public final long bits; CompilerObjectType(long bits) { this.bits = bits; } } public static final Long DUMMY_CONSTANT_OBJ = CompilerObjectType.DUMMY_CONSTANT.bits; private static boolean isType(long id, CompilerObjectType type) { return (id & CompilerObjectType.TYPE_MASK.bits) == type.bits; } public static boolean isStub(long id) { return isType(id, CompilerObjectType.STUB); } public static boolean isMethod(long id) { return isType(id, CompilerObjectType.METHOD); } public static boolean isClass(long id) { return isType(id, CompilerObjectType.CLASS); } public static boolean isSymbol(long id) { return isType(id, CompilerObjectType.SYMBOL); } public static boolean isConstantPool(long id) { return isType(id, CompilerObjectType.CONSTANT_POOL); } public static boolean isConstant(long id) { return isType(id, CompilerObjectType.CONSTANT_POOL); } public static String toString(long id) { CompilerObjectType type = null; for (CompilerObjectType t : CompilerObjectType.values()) { if ((id & CompilerObjectType.TYPE_MASK.bits) == t.bits) { type = t; } } long num = id & ~CompilerObjectType.TYPE_MASK.bits; return type + " " + num; } }