Mercurial > hg > graal-jvmci-8
view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 1475:ace6e55373eb
Sync with CRI/C1X changes.
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 05 Dec 2010 22:01:07 +0100 |
parents | f5908cceac7d |
children | 7e09ea4a8f36 |
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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; import java.lang.reflect.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * Implementation of RiMethod for resolved HotSpot methods. * * @author Thomas Wuerthinger, Lukas Stadler */ public class HotSpotMethodResolved implements HotSpotMethod { private final long vmId; private final String name; // cached values private byte[] code; private int accessFlags = -1; private int maxLocals = -1; private int maxStackSize = -1; private RiExceptionHandler[] exceptionHandlers; private RiSignature signature; private RiType holder; private Boolean hasBalancedMonitors; public HotSpotMethodResolved(long vmId, String name) { this.vmId = vmId; this.name = name; } @Override public int accessFlags() { if (accessFlags == -1) { accessFlags = Compiler.getVMEntries().RiMethod_accessFlags(vmId); } return accessFlags; } @Override public boolean canBeStaticallyBound() { return isLeafMethod() || Modifier.isStatic(accessFlags()); } @Override public byte[] code() { if (code == null) { code = Compiler.getVMEntries().RiMethod_code(vmId); } return code; } @Override public RiExceptionHandler[] exceptionHandlers() { if (exceptionHandlers == null) { exceptionHandlers = Compiler.getVMEntries().RiMethod_exceptionHandlers(vmId); } return exceptionHandlers; } @Override public boolean hasBalancedMonitors() { if (hasBalancedMonitors == null) { hasBalancedMonitors = Compiler.getVMEntries().RiMethod_hasBalancedMonitors(vmId); } return hasBalancedMonitors; } @Override public RiType holder() { if (holder == null) { holder = Compiler.getVMEntries().RiMethod_holder(vmId); } return holder; } @Override public boolean isClassInitializer() { return "<clinit>".equals(name); } @Override public boolean isConstructor() { return "<init>".equals(name); } @Override public boolean isLeafMethod() { return Modifier.isFinal(accessFlags()) || Modifier.isPrivate(accessFlags()); } @Override public boolean isOverridden() { throw new UnsupportedOperationException("isOverridden"); } @Override public boolean isResolved() { return true; } @Override public String jniSymbol() { throw new UnsupportedOperationException("jniSymbol"); } public CiBitMap[] livenessMap() { return null; } @Override public int maxLocals() { if (maxLocals == -1) { maxLocals = Compiler.getVMEntries().RiMethod_maxLocals(vmId); } return maxLocals; } @Override public int maxStackSize() { if (maxStackSize == -1) { maxStackSize = Compiler.getVMEntries().RiMethod_maxStackSize(vmId); } return maxStackSize; } @Override public RiMethodProfile methodData() { return null; } @Override public String name() { return name; } @Override public StackTraceElement toStackTraceElement(int bci) { return CiUtil.toStackTraceElement(this, bci); } @Override public RiSignature signature() { if (signature == null) { signature = new HotSpotSignature(Compiler.getVMEntries().RiMethod_signature(vmId)); } return signature; } @Override public String toString() { return "HotSpotMethod<" + holder().name() + ". " + name + ">"; } public boolean hasCompiledCode() { // TODO: needs a VMEntries to go cache the result of that method. // This isn't used by GRAAL for now, so this is enough. return false; } @Override public Class<?> accessor() { return null; } @Override public int intrinsic() { return 0; } }