Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/snippets/HotSpotSnippetUtils.java @ 6521:2a0c9f20baa1
consolidated framework for runtime and stub calls and moved declaration of descriptors for such calls to the source file in which they are used
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Fri, 05 Oct 2012 17:55:12 +0200 |
parents | df02fa2bce58 |
children | 41938af2b3d8 |
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/* * Copyright (c) 2012, 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.snippets; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.Node.ConstantNodeParameter; import com.oracle.graal.graph.Node.NodeIntrinsic; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.snippets.Snippet.Fold; import com.oracle.graal.snippets.*; //JaCoCo Exclude /** * A collection of methods used in HotSpot snippets. */ public class HotSpotSnippetUtils { @Fold static boolean verifyOops() { return HotSpotGraalRuntime.getInstance().getConfig().verifyOops; } @Fold static int threadTlabTopOffset() { return HotSpotGraalRuntime.getInstance().getConfig().threadTlabTopOffset; } @Fold static int threadTlabEndOffset() { return HotSpotGraalRuntime.getInstance().getConfig().threadTlabEndOffset; } @Fold static Kind wordKind() { return HotSpotGraalRuntime.getInstance().getTarget().wordKind; } @Fold static Register threadRegister() { return HotSpotGraalRuntime.getInstance().getRuntime().threadRegister(); } @Fold static Register stackPointerRegister() { return HotSpotGraalRuntime.getInstance().getRuntime().stackPointerRegister(); } @Fold static int wordSize() { return HotSpotGraalRuntime.getInstance().getTarget().wordSize; } @Fold static int pageSize() { return HotSpotGraalRuntime.getInstance().getTarget().pageSize; } @Fold static int prototypeMarkWordOffset() { return HotSpotGraalRuntime.getInstance().getConfig().prototypeMarkWordOffset; } @Fold static int markOffset() { return HotSpotGraalRuntime.getInstance().getConfig().markOffset; } @Fold static int unlockedMask() { return HotSpotGraalRuntime.getInstance().getConfig().unlockedMask; } /** * Mask for a biasable, locked or unlocked mark word. * <pre> * +----------------------------------+-+-+ * | 1|1|1| * +----------------------------------+-+-+ * </pre> * */ @Fold static int biasedLockMaskInPlace() { return HotSpotGraalRuntime.getInstance().getConfig().biasedLockMaskInPlace; } @Fold static int epochMaskInPlace() { return HotSpotGraalRuntime.getInstance().getConfig().epochMaskInPlace; } /** * Pattern for a biasable, unlocked mark word. * <pre> * +----------------------------------+-+-+ * | 1|0|1| * +----------------------------------+-+-+ * </pre> * */ @Fold static int biasedLockPattern() { return HotSpotGraalRuntime.getInstance().getConfig().biasedLockPattern; } @Fold static int ageMaskInPlace() { return HotSpotGraalRuntime.getInstance().getConfig().ageMaskInPlace; } @Fold static int hubOffset() { return HotSpotGraalRuntime.getInstance().getConfig().hubOffset; } @Fold static int arrayLengthOffset() { return HotSpotGraalRuntime.getInstance().getConfig().arrayLengthOffset; } @Fold static int arrayBaseOffset(Kind elementKind) { return elementKind.getArrayBaseOffset(); } @Fold static int arrayIndexScale(Kind elementKind) { return elementKind.getArrayIndexScale(); } @Fold static int cardTableShift() { return HotSpotGraalRuntime.getInstance().getConfig().cardtableShift; } @Fold static long cardTableStart() { return HotSpotGraalRuntime.getInstance().getConfig().cardtableStartAddress; } @Fold static int superCheckOffsetOffset() { return HotSpotGraalRuntime.getInstance().getConfig().superCheckOffsetOffset; } @Fold static int secondarySuperCacheOffset() { return HotSpotGraalRuntime.getInstance().getConfig().secondarySuperCacheOffset; } @Fold static int secondarySupersOffset() { return HotSpotGraalRuntime.getInstance().getConfig().secondarySupersOffset; } @Fold static int lockDisplacedMarkOffset() { return HotSpotGraalRuntime.getInstance().getConfig().basicLockDisplacedHeaderOffset; } @Fold static boolean useBiasedLocking() { return HotSpotGraalRuntime.getInstance().getConfig().useBiasedLocking; } /** * Loads the hub from a object, null checking it first. */ static Object loadHub(Object object) { return LoadHubNode.loadHub(object); } static Object verifyOop(Object object) { if (verifyOops()) { VerifyOopStubCall.call(object); } return object; } /** * Gets the value of the stack pointer register as a Word. */ static Word stackPointer() { return HotSpotSnippetUtils.registerAsWord(stackPointerRegister()); } /** * Gets the value of the thread register as a Word. */ static Word thread() { return HotSpotSnippetUtils.registerAsWord(threadRegister()); } static Word loadWordFromWord(Word address, int offset) { return loadWordFromWordIntrinsic(address, 0, offset, wordKind()); } static Word loadWordFromObject(Object object, int offset) { return loadWordFromObjectIntrinsic(object, 0, offset, wordKind()); } @NodeIntrinsic(value = RegisterNode.class, setStampFromReturnType = true) public static native Word registerAsWord(@ConstantNodeParameter Register register); @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true) private static native Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind); @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true) private static native Word loadWordFromWordIntrinsic(Word address, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind); static { assert arrayIndexScale(Kind.Byte) == 1; assert arrayIndexScale(Kind.Boolean) == 1; assert arrayIndexScale(Kind.Char) == 2; assert arrayIndexScale(Kind.Short) == 2; assert arrayIndexScale(Kind.Int) == 4; assert arrayIndexScale(Kind.Long) == 8; assert arrayIndexScale(Kind.Float) == 4; assert arrayIndexScale(Kind.Double) == 8; } }