Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleExpansionLogger.java @ 15220:ccf0c5a1edf1
Use a synthetic BCI instead of a random BCI (the first parsed bytecode that could throw an exception) for the exception unwind block
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Thu, 17 Apr 2014 15:32:57 -0700 |
parents | db4254246f9a |
children | 820c6d353358 |
line wrap: on
line source
/* * Copyright (c) 2013, 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.truffle; import java.io.*; import java.lang.reflect.*; import java.util.*; import java.util.Map.Entry; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.phases.util.*; public class TruffleExpansionLogger { private final Providers providers; private final ExpansionTree root; private final Map<MethodCallTargetNode, ExpansionTree> callToParentTree = new HashMap<>(); public TruffleExpansionLogger(Providers providers, StructuredGraph graph) { this.providers = providers; root = new ExpansionTree(null, null, graph.method(), -1); registerParentInCalls(root, graph); } public void preExpand(MethodCallTargetNode callTarget, StructuredGraph inliningGraph) { ResolvedJavaMethod sourceMethod = callTarget.invoke().stateAfter().method(); int sourceMethodBci = callTarget.invoke().bci(); ResolvedJavaMethod targetMethod = callTarget.targetMethod(); ResolvedJavaType targetReceiverType = null; if (!Modifier.isStatic(sourceMethod.getModifiers()) && callTarget.receiver().isConstant()) { targetReceiverType = providers.getMetaAccess().lookupJavaType(callTarget.arguments().first().asConstant()); } if (targetReceiverType != null) { ExpansionTree parent = callToParentTree.get(callTarget); assert parent != null; callToParentTree.remove(callTarget); ExpansionTree tree = new ExpansionTree(parent, targetReceiverType, targetMethod, sourceMethodBci); registerParentInCalls(tree, inliningGraph); } } @SuppressWarnings("unchecked") public void postExpand(Map<Node, Node> states) { Iterable<Entry<Node, Node>> entries; if (states instanceof NodeMap) { entries = ((NodeMap<Node>) states).entries(); } else { entries = states.entrySet(); } for (Entry<Node, Node> entry : entries) { Node key = entry.getKey(); Node value = entry.getValue(); if (value instanceof MethodCallTargetNode && callToParentTree.containsKey(key)) { callToParentTree.put((MethodCallTargetNode) value, callToParentTree.get(key)); callToParentTree.remove(key); } } } private void registerParentInCalls(ExpansionTree parentTree, StructuredGraph graph) { for (MethodCallTargetNode target : graph.getNodes(MethodCallTargetNode.class)) { callToParentTree.put(target, parentTree); } } public void print() { root.print(System.out); } private static final class ExpansionTree implements Comparable<ExpansionTree> { private final ExpansionTree parent; private final ResolvedJavaType targetReceiverType; private final ResolvedJavaMethod targetMethod; private final int parentBci; private final List<ExpansionTree> children = new ArrayList<>(); public ExpansionTree(ExpansionTree parent, ResolvedJavaType targetReceiverType, ResolvedJavaMethod targetMethod, int parentBci) { this.parent = parent; this.targetReceiverType = targetReceiverType; this.targetMethod = targetMethod; this.parentBci = parentBci; if (parent != null) { parent.children.add(this); } } public int compareTo(ExpansionTree o) { if (parent == o.parent) { return parentBci - o.parentBci; } return 0; } public void print(PrintStream p) { print(p, ""); } private void print(PrintStream p, String indent) { StackTraceElement targetElement = targetMethod.asStackTraceElement(0); StackTraceElement sourceElement = null; ExpansionTree currentParent = this.parent; if (currentParent != null) { sourceElement = currentParent.targetMethod.asStackTraceElement(parentBci); } String className = targetElement.getClassName(); int lastIndex = className.lastIndexOf('.'); if (lastIndex != -1) { className = className.substring(lastIndex + 1, className.length()); } lastIndex = className.lastIndexOf('$'); if (lastIndex != -1) { className = className.substring(lastIndex + 1, className.length()); } String constantType = ""; if (targetReceiverType != null) { if (!targetReceiverType.getName().equals(className)) { constantType = "<" + targetReceiverType.getName() + ">"; } } String sourceSource = ""; String targetSource = ""; if (TruffleCompilerOptions.TraceTruffleExpansionSource.getValue()) { sourceSource = formatSource(sourceElement); targetSource = formatSource(targetElement); } p.printf("%s%s %s%s.%s%s%n", indent, sourceSource, className, constantType, targetMethod.getName(), targetSource); Collections.sort(children); for (ExpansionTree child : children) { child.print(p, indent + " "); } } private static String formatSource(StackTraceElement e) { if (e == null) { return ""; } if (e.getFileName() != null) { if (e.getLineNumber() >= 0) { return String.format("(%s:%d)", e.getFileName(), e.getLineNumber()); } else { return String.format("(%s)", e.getFileName()); } } else { return String.format("(Unknown Source)"); } } } }