Mercurial > hg > graal-jvmci-8
diff graal/Runtime/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java @ 2297:099e697d8934
Renaming c1x4hotspotsrc => graal and HotSpotVM => Runtime
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 22 Apr 2011 15:08:53 +0200 |
parents | |
children | 96ca0e1b8a1d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/Runtime/src/com/sun/hotspot/c1x/HotSpotMethodResolved.java Fri Apr 22 15:08:53 2011 +0200 @@ -0,0 +1,193 @@ +/* + * 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 final class HotSpotMethodResolved extends HotSpotMethod { + + private final long vmId; + + // cached values + private byte[] code; + private int accessFlags = -1; + private int maxLocals = -1; + private int maxStackSize = -1; + private RiExceptionHandler[] exceptionHandlers; + private RiSignature signature; + private Boolean hasBalancedMonitors; + + public HotSpotMethodResolved(Compiler compiler, long vmId, String name) { + super(compiler); + this.vmId = vmId; + this.name = name; + this.holder = compiler.getVMEntries().RiMethod_holder(vmId); + } + + @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 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 noSafepoints() { + return false; + } + + @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 StackTraceElement toStackTraceElement(int bci) { + return CiUtil.toStackTraceElement(this, bci); + } + + @Override + public RiMethod uniqueConcreteMethod() { + return compiler.getVMEntries().RiMethod_uniqueConcreteMethod(vmId); + } + + @Override + public RiSignature signature() { + if (signature == null) { + signature = new HotSpotSignature(compiler, 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; + } + + @Override + public boolean minimalDebugInfo() { + return false; + } +}