Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotCompiledCode.java @ 21680:902a6399353b
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 03 Jun 2015 01:11:56 +0200 |
parents | ce2113326bc8 |
children |
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/* * Copyright (c) 2011, 2014, 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.jvmci.hotspot; import java.nio.*; import java.util.*; import java.util.stream.*; import java.util.stream.Stream.Builder; import com.oracle.jvmci.code.*; import com.oracle.jvmci.code.CompilationResult.CodeAnnotation; import com.oracle.jvmci.code.CompilationResult.CodeComment; import com.oracle.jvmci.code.CompilationResult.DataPatch; import com.oracle.jvmci.code.CompilationResult.ExceptionHandler; import com.oracle.jvmci.code.CompilationResult.Infopoint; import com.oracle.jvmci.code.CompilationResult.JumpTable; import com.oracle.jvmci.code.CompilationResult.Mark; import com.oracle.jvmci.code.CompilationResult.Site; import com.oracle.jvmci.meta.Assumptions.Assumption; import com.oracle.jvmci.meta.*; /** * A {@link CompilationResult} with additional HotSpot-specific information required for installing * the code in HotSpot's code cache. */ public abstract class HotSpotCompiledCode { public final String name; public final Site[] sites; public final ExceptionHandler[] exceptionHandlers; public final Comment[] comments; public final Assumption[] assumptions; public final byte[] targetCode; public final int targetCodeSize; public final byte[] dataSection; public final int dataSectionAlignment; public final DataPatch[] dataSectionPatches; public final int totalFrameSize; public final int customStackAreaOffset; /** * The list of the methods whose bytecodes were used as input to the compilation. If * {@code null}, then the compilation did not record method dependencies. Otherwise, the first * element of this array is the root method of the compilation. */ public final ResolvedJavaMethod[] methods; public static class Comment { public final String text; public final int pcOffset; public Comment(int pcOffset, String text) { this.text = text; this.pcOffset = pcOffset; } } public HotSpotCompiledCode(CompilationResult compResult) { name = compResult.getName(); sites = getSortedSites(compResult); if (compResult.getExceptionHandlers().isEmpty()) { exceptionHandlers = null; } else { exceptionHandlers = compResult.getExceptionHandlers().toArray(new ExceptionHandler[compResult.getExceptionHandlers().size()]); } List<CodeAnnotation> annotations = compResult.getAnnotations(); comments = new Comment[annotations.size()]; if (!annotations.isEmpty()) { for (int i = 0; i < comments.length; i++) { CodeAnnotation annotation = annotations.get(i); String text; if (annotation instanceof CodeComment) { CodeComment codeComment = (CodeComment) annotation; text = codeComment.value; } else if (annotation instanceof JumpTable) { JumpTable jumpTable = (JumpTable) annotation; text = "JumpTable [" + jumpTable.low + " .. " + jumpTable.high + "]"; } else { text = annotation.toString(); } comments[i] = new Comment(annotation.position, text); } } assumptions = compResult.getAssumptions(); assert validateFrames(); targetCode = compResult.getTargetCode(); targetCodeSize = compResult.getTargetCodeSize(); DataSection data = compResult.getDataSection(); data.finalizeLayout(); dataSection = new byte[data.getSectionSize()]; ByteBuffer buffer = ByteBuffer.wrap(dataSection).order(ByteOrder.nativeOrder()); Builder<DataPatch> patchBuilder = Stream.builder(); data.buildDataSection(buffer, patchBuilder); dataSectionAlignment = data.getSectionAlignment(); dataSectionPatches = patchBuilder.build().toArray(len -> new DataPatch[len]); totalFrameSize = compResult.getTotalFrameSize(); customStackAreaOffset = compResult.getCustomStackAreaOffset(); methods = compResult.getMethods(); } /** * Ensure that all the frames passed into HotSpot are properly formatted with an empty or * illegal slot following double word slots. */ private boolean validateFrames() { for (Site site : sites) { if (site instanceof Infopoint) { Infopoint info = (Infopoint) site; if (info.debugInfo != null) { BytecodeFrame frame = info.debugInfo.frame(); assert frame == null || frame.validateFormat(false); } } } 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.getDataPatches(), 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; } }