Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotCompilationResult.java @ 9654:18632807db02
RuntimeStub installation support is now more distinct from normal nmethod installation
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 13 May 2013 11:21:24 +0200 |
parents | d4684b468e93 |
children |
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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.HotSpotGraalRuntime.*; import java.util.*; 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.ExceptionHandler; import com.oracle.graal.api.code.CompilationResult.Infopoint; import com.oracle.graal.api.code.CompilationResult.Mark; import com.oracle.graal.api.code.CompilationResult.Site; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.stubs.*; /** * Augments a {@link CompilationResult} with HotSpot-specific information. */ public final class HotSpotCompilationResult extends CompilerObject { private static final long serialVersionUID = 7807321392203253218L; public final CompilationResult comp; /** * Non-null for installation of an nmethod. */ public final HotSpotResolvedJavaMethod method; public final int entryBCI; /** * Non-null for installation of a RuntimeStub. */ public final String stubName; public final Site[] sites; public final ExceptionHandler[] exceptionHandlers; public HotSpotCompilationResult(HotSpotResolvedJavaMethod method, int entryBCI, CompilationResult comp) { this.method = method; this.stubName = null; this.comp = comp; this.entryBCI = entryBCI; sites = getSortedSites(comp); if (comp.getExceptionHandlers().isEmpty()) { exceptionHandlers = null; } else { exceptionHandlers = comp.getExceptionHandlers().toArray(new ExceptionHandler[comp.getExceptionHandlers().size()]); } } public HotSpotCompilationResult(Stub stub, CompilationResult comp) { assert checkStubInvariants(comp); this.method = null; this.stubName = stub.toString(); this.comp = comp; this.entryBCI = 0; sites = getSortedSites(comp); assert comp.getExceptionHandlers().isEmpty(); exceptionHandlers = null; } /** * Checks the conditions a compilation must satisfy to be installed as a RuntimeStub. */ private boolean checkStubInvariants(CompilationResult compResult) { for (DataPatch data : compResult.getDataReferences()) { Constant constant = data.constant; 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 HotSpotRuntimeCallTarget : this + " cannot have non runtime call: " + call.target; HotSpotRuntimeCallTarget callTarget = (HotSpotRuntimeCallTarget) call.target; assert callTarget.getAddress() == graalRuntime().getConfig().uncommonTrapStub || callTarget.isCRuntimeCall() : this + "must only call C runtime or deoptimization stub, not " + call.target; } return true; } static class SiteComparator implements Comparator<Site> { public int compare(Site s1, Site s2) { if (s1.pcOffset == s2.pcOffset && (s1 instanceof Mark ^ s2 instanceof Mark)) { return s1 instanceof Mark ? -1 : 1; } return s1.pcOffset - s2.pcOffset; } } private static Site[] getSortedSites(CompilationResult target) { List<?>[] lists = new List<?>[]{target.getInfopoints(), target.getDataReferences(), target.getMarks()}; int count = 0; for (List<?> list : lists) { count += list.size(); } Site[] result = new Site[count]; int pos = 0; for (List<?> list : lists) { for (Object elem : list) { result[pos++] = (Site) elem; } } Arrays.sort(result, new SiteComparator()); return result; } }