Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotCompiledRuntimeStub.java @ 10861:6872c61c1d3e
Fix null reference access when dumping raw data patches.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 23 Jul 2013 18:23:52 +0200 |
parents | c4b1aa93b9af |
children | 4e679d50ba9a |
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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.graal.hotspot; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.CompilationResult.Call; import com.oracle.graal.api.code.CompilationResult.DataPatch; import com.oracle.graal.api.code.CompilationResult.Infopoint; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.stubs.*; /** * {@link HotSpotCompiledCode} destined for installation as a RuntimeStub. */ public final class HotSpotCompiledRuntimeStub extends HotSpotCompiledCode { private static final long serialVersionUID = -4506206868419153274L; public final String stubName; public HotSpotCompiledRuntimeStub(Stub stub, CompilationResult compResult) { super(compResult); assert checkStubInvariants(compResult); this.stubName = stub.toString(); } /** * Checks the conditions a compilation must satisfy to be installed as a RuntimeStub. */ private boolean checkStubInvariants(CompilationResult compResult) { assert compResult.getExceptionHandlers().isEmpty(); for (DataPatch data : compResult.getDataReferences()) { Constant constant = data.constant; if (constant != null) { assert constant.getKind() != Kind.Object : this + " cannot have embedded object constant: " + constant; assert constant.getPrimitiveAnnotation() == null : this + " cannot have embedded metadata: " + constant; } } for (Infopoint infopoint : compResult.getInfopoints()) { assert infopoint instanceof Call : this + " cannot have non-call infopoint: " + infopoint; Call call = (Call) infopoint; assert call.target instanceof HotSpotForeignCallLinkage : this + " cannot have non runtime call: " + call.target; HotSpotForeignCallLinkage linkage = (HotSpotForeignCallLinkage) call.target; assert !linkage.isCompiledStub() : this + " cannot call compiled stub " + linkage; } return true; } }