Mercurial > hg > graal-compiler
view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotProxy.java @ 1430:949ade3f2ff3
added assertions, nop added to implicit exception sites
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 01 Sep 2010 13:45:57 -0700 |
parents | 149b1d2316de |
children | 9e5e83ca2259 |
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/* * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved. * * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is * described in this document. In particular, and without limitation, these intellectual property rights may include one * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent * applications in the U.S. and in other countries. * * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard * license agreement and applicable provisions of the FAR and its supplements. * * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. * * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. */ package com.sun.hotspot.c1x; /** * Provides methods to classify the HotSpot-internal identifiers. * * @author Lukas Stadler */ public class HotSpotProxy { private HotSpotProxy() { } private enum CompilerObjectType { // this enum needs to have the same values as the one in c1x_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; } }