Mercurial > hg > truffle
view graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/HotSpotMethodResolvedImpl.java @ 3018:5857923e563c
Fixed an issue with frame states in exception dispatch chains (now we are correctly rethrowing the exception immediately at entering the interpreter).
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Sat, 18 Jun 2011 19:13:55 +0200 |
parents | 681a227c332b |
children | 9fed07e4a375 |
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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.max.graal.runtime; import java.lang.reflect.*; import com.oracle.max.graal.compiler.debug.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * Implementation of RiMethod for resolved HotSpot methods. */ public final class HotSpotMethodResolvedImpl extends HotSpotMethod implements HotSpotMethodResolved { private AccessibleObject javaMirror; // cached values private final int codeSize; private final int accessFlags; private final int maxLocals; private final int maxStackSize; private final int invocationCount; private RiExceptionHandler[] exceptionHandlers; private RiSignature signature; private Boolean hasBalancedMonitors; private HotSpotMethodResolvedImpl() { super(null); codeSize = -1; accessFlags = -1; maxLocals = -1; maxStackSize = -1; invocationCount = -1; } @Override public int accessFlags() { return accessFlags; } @Override public boolean canBeStaticallyBound() { return isLeafMethod() || Modifier.isStatic(accessFlags()); } @Override public byte[] code() { assert holder.isResolved(); byte[] ret = compiler.getVMEntries().RiMethod_code(this); assert ret.length == codeSize : "expected: " + codeSize + ", actual: " + ret.length; return ret; } @Override public int codeSize() { return codeSize; } @Override public RiExceptionHandler[] exceptionHandlers() { return compiler.getVMEntries().RiMethod_exceptionHandlers(this); } @Override public boolean hasBalancedMonitors() { if (hasBalancedMonitors == null) { hasBalancedMonitors = compiler.getVMEntries().RiMethod_hasBalancedMonitors(this); } return hasBalancedMonitors; } @Override public boolean isClassInitializer() { return "<clinit>".equals(name) && Modifier.isStatic(accessFlags()); } @Override public boolean isConstructor() { return "<init>".equals(name) && !Modifier.isStatic(accessFlags()); } @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() { return maxLocals; } @Override public int maxStackSize() { 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(this); } @Override public RiSignature signature() { if (signature == null) { signature = new HotSpotSignature(compiler, compiler.getVMEntries().RiMethod_signature(this)); } 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 RiType accessor() { return null; } @Override public int intrinsic() { return 0; } @Override public boolean minimalDebugInfo() { return false; } public int invocationCount() { return invocationCount; } public RiTypeProfile typeProfile(int bci) { return compiler.getVMEntries().RiMethod_typeProfile(this, bci); } public int branchProbability(int bci) { return compiler.getVMEntries().RiMethod_branchProbability(this, bci); } public void dumpProfile() { TTY.println("profile info for %s", this); TTY.println("canBeStaticallyBound: " + canBeStaticallyBound()); TTY.println("invocationCount: " + invocationCount()); for (int i = 0; i < codeSize(); i++) { if (branchProbability(i) != -1) { TTY.println("branchProbability@%d: %d", i, branchProbability(i)); } RiTypeProfile profile = typeProfile(i); if (profile != null && profile.count > 0) { TTY.println("profile@%d: count: %d, morphism: %d", i, profile.count, profile.morphism); } } } }