Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotCompiledRuntimeStub.java @ 16962:f0c3de09f12a
Merge with e01b0b9a5f886f8810ba09668632acd675cccf76
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 26 Aug 2014 19:57:25 -0700 |
parents | bb97b75d1d65 |
children | c2270ad35f57 |
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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 static com.oracle.graal.hotspot.HotSpotHostBackend.*; 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.hotspot.data.*; import com.oracle.graal.hotspot.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(TargetDescription target, Stub stub, CompilationResult compResult) { super(target, compResult); this.stubName = stub.toString(); assert checkStubInvariants(compResult); } /** * 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()) { if (data.data instanceof MetaspaceData) { MetaspaceData meta = (MetaspaceData) data.data; if (meta.annotation instanceof HotSpotResolvedObjectType && ((HotSpotResolvedObjectType) meta.annotation).getName().equals("[I")) { // special handling for NewArrayStub // embedding the type '[I' is safe, since it is never unloaded continue; } } assert !(data.data instanceof PatchedData) : this + " cannot have embedded object or metadata constant: " + data.data; } 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() || linkage.getDescriptor() == UNCOMMON_TRAP_HANDLER : this + " cannot call compiled stub " + linkage; } return true; } @Override public String toString() { return stubName != null ? stubName : super.toString(); } }