Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotDebugInfoBuilder.java @ 13506:2a4569fa9aa4
fixed bug (properly) in nested lock depth computation
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 03 Jan 2014 23:56:03 +0100 |
parents | b71a1d889db2 |
children | e64bc2149396 |
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/* * 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.hotspot; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.lir.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.virtual.*; /** * Extends {@link DebugInfoBuilder} to allocate the extra debug information required for locks. */ public class HotSpotDebugInfoBuilder extends DebugInfoBuilder { private final HotSpotLockStack lockStack; public HotSpotDebugInfoBuilder(NodeMap<Value> nodeOperands, HotSpotLockStack lockStack) { super(nodeOperands); this.lockStack = lockStack; } public HotSpotLockStack lockStack() { return lockStack; } @Override protected Value computeLockValue(FrameState state, int i) { int lockDepth = i; if (state.outerFrameState() != null) { lockDepth += state.outerFrameState().nestedLockDepth(); } StackSlot slot = lockStack.makeLockSlot(lockDepth); ValueNode lock = state.lockAt(i); Value object = toValue(lock); boolean eliminated = lock instanceof VirtualObjectNode; return new HotSpotMonitorValue(object, slot, eliminated); } @Override protected LIRFrameState newLIRFrameState(LabelRef exceptionEdge, BytecodeFrame frame, VirtualObject[] virtualObjectsArray) { return new HotSpotLIRFrameState(frame, virtualObjectsArray, exceptionEdge); } }