Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotCompiledCode.java @ 23357:b05ad394cfd5
Add ResolvedJavaType.isAllocationClonable
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 28 Apr 2016 13:07:46 -0700 |
parents | 805d58f2cd8c |
children | 3e8ce13f4e12 |
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/* * Copyright (c) 2011, 2016, 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 jdk.vm.ci.hotspot; import jdk.vm.ci.code.BytecodeFrame; import jdk.vm.ci.code.CompiledCode; import jdk.vm.ci.code.StackSlot; import jdk.vm.ci.code.site.DataPatch; import jdk.vm.ci.code.site.Infopoint; import jdk.vm.ci.code.site.Site; import jdk.vm.ci.meta.Assumptions.Assumption; import jdk.vm.ci.meta.ResolvedJavaMethod; /** * A {@link CompiledCode} with additional HotSpot-specific information required for installing the * code in HotSpot's code cache. */ public class HotSpotCompiledCode implements CompiledCode { /** * The name of this compilation unit. */ protected final String name; /** * The buffer containing the emitted machine code. */ protected final byte[] targetCode; /** * The leading number of bytes in {@link #targetCode} containing the emitted machine code. */ protected final int targetCodeSize; /** * A list of code annotations describing special sites in {@link #targetCode}. */ protected final Site[] sites; /** * A list of {@link Assumption} this code relies on. */ protected final Assumption[] assumptions; /** * 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. */ protected final ResolvedJavaMethod[] methods; /** * A list of comments that will be included in code dumps. */ protected final Comment[] comments; /** * The data section containing constants for the emitted machine code. */ protected final byte[] dataSection; /** * The minimum alignment of the data section. */ protected final int dataSectionAlignment; /** * A list of relocations in the {@link #dataSection}. */ protected final DataPatch[] dataSectionPatches; /** * A flag determining whether this code is immutable and position independent. */ protected final boolean isImmutablePIC; /** * The total size of the stack frame of this compiled method. */ protected final int totalFrameSize; /** * The deopt rescue slot. Must be non-null if there is a safepoint in the method. */ protected final StackSlot deoptRescueSlot; 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(String name, byte[] targetCode, int targetCodeSize, Site[] sites, Assumption[] assumptions, ResolvedJavaMethod[] methods, Comment[] comments, byte[] dataSection, int dataSectionAlignment, DataPatch[] dataSectionPatches, boolean isImmutablePIC, int totalFrameSize, StackSlot deoptRescueSlot) { this.name = name; this.targetCode = targetCode; this.targetCodeSize = targetCodeSize; this.sites = sites; this.assumptions = assumptions; this.methods = methods; this.comments = comments; this.dataSection = dataSection; this.dataSectionAlignment = dataSectionAlignment; this.dataSectionPatches = dataSectionPatches; this.isImmutablePIC = isImmutablePIC; this.totalFrameSize = totalFrameSize; this.deoptRescueSlot = deoptRescueSlot; assert validateFrames(); } public String getName() { return name; } @Override public String toString() { return name; } /** * Ensure that all the frames passed into the VM 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(); } } } return true; } }