| /* |
| * Copyright (c) 2015, 2017, 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 org.graalvm.compiler.hotspot.nodes; |
| |
| import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC; |
| import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_VMCONFIG; |
| import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1; |
| import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1; |
| |
| import org.graalvm.compiler.api.replacements.Fold; |
| import org.graalvm.compiler.api.replacements.Fold.InjectedParameter; |
| import org.graalvm.compiler.core.common.type.Stamp; |
| import org.graalvm.compiler.core.common.type.StampFactory; |
| import org.graalvm.compiler.graph.Node; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.graph.spi.Canonicalizable; |
| import org.graalvm.compiler.graph.spi.CanonicalizerTool; |
| import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; |
| import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| import org.graalvm.compiler.nodes.ConstantNode; |
| import org.graalvm.compiler.nodes.calc.FloatingNode; |
| import org.graalvm.compiler.nodes.spi.LIRLowerable; |
| import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.Value; |
| |
| /** |
| * Represents {@link GraalHotSpotVMConfig} values that may change after compilation. |
| */ |
| @NodeInfo(cycles = CYCLES_1, size = SIZE_1) |
| public class GraalHotSpotVMConfigNode extends FloatingNode implements LIRLowerable, Canonicalizable { |
| public static final NodeClass<GraalHotSpotVMConfigNode> TYPE = NodeClass.create(GraalHotSpotVMConfigNode.class); |
| |
| private final GraalHotSpotVMConfig config; |
| protected final int markId; |
| |
| /** |
| * Constructor for {@link #areConfigValuesConstant()}. |
| * |
| * @param config |
| */ |
| public GraalHotSpotVMConfigNode(@InjectedNodeParameter GraalHotSpotVMConfig config) { |
| super(TYPE, StampFactory.forKind(JavaKind.Boolean)); |
| this.config = config; |
| this.markId = 0; |
| } |
| |
| /** |
| * Constructor for node intrinsics below. |
| * |
| * @param config |
| * @param markId id of the config value |
| */ |
| public GraalHotSpotVMConfigNode(@InjectedNodeParameter Stamp stamp, @InjectedNodeParameter GraalHotSpotVMConfig config, int markId) { |
| super(TYPE, stamp); |
| this.config = config; |
| this.markId = markId; |
| } |
| |
| /** |
| * Constructor with explicit type specification. |
| * |
| * @param config |
| * @param markId id of the config value |
| * @param kind explicit type of the node |
| */ |
| public GraalHotSpotVMConfigNode(GraalHotSpotVMConfig config, int markId, JavaKind kind) { |
| super(TYPE, StampFactory.forKind(kind)); |
| this.config = config; |
| this.markId = markId; |
| } |
| |
| @Override |
| public void generate(NodeLIRBuilderTool generator) { |
| Value res = ((HotSpotLIRGenerator) generator.getLIRGeneratorTool()).emitLoadConfigValue(markId, generator.getLIRGeneratorTool().getLIRKind(stamp)); |
| generator.setResult(this, res); |
| } |
| |
| @NodeIntrinsic |
| private static native boolean areConfigValuesConstant(); |
| |
| @NodeIntrinsic |
| private static native long loadLongConfigValue(@ConstantNodeParameter int markId); |
| |
| @NodeIntrinsic |
| private static native int loadIntConfigValue(@ConstantNodeParameter int markId); |
| |
| @NodeIntrinsic |
| private static native byte loadByteConfigValue(@ConstantNodeParameter int markId); |
| |
| public static long cardTableAddress() { |
| return loadLongConfigValue(cardTableAddressMark(INJECTED_VMCONFIG)); |
| } |
| |
| public static boolean isCardTableAddressConstant() { |
| return areConfigValuesConstant(); |
| } |
| |
| public static long heapTopAddress() { |
| return loadLongConfigValue(heapTopAddressMark(INJECTED_VMCONFIG)); |
| } |
| |
| public static long heapEndAddress() { |
| return loadLongConfigValue(heapEndAddressMark(INJECTED_VMCONFIG)); |
| } |
| |
| public static long crcTableAddress() { |
| return loadLongConfigValue(crcTableAddressMark(INJECTED_VMCONFIG)); |
| } |
| |
| public static int logOfHeapRegionGrainBytes() { |
| return loadIntConfigValue(logOfHeapRegionGrainBytesMark(INJECTED_VMCONFIG)); |
| } |
| |
| public static boolean inlineContiguousAllocationSupported() { |
| return loadByteConfigValue(inlineContiguousAllocationSupportedMark(INJECTED_VMCONFIG)) != 0; |
| } |
| |
| @Fold |
| public static int cardTableAddressMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_CARD_TABLE_ADDRESS; |
| } |
| |
| @Fold |
| public static int heapTopAddressMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_HEAP_TOP_ADDRESS; |
| } |
| |
| @Fold |
| public static int heapEndAddressMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_HEAP_END_ADDRESS; |
| } |
| |
| @Fold |
| public static int crcTableAddressMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_CRC_TABLE_ADDRESS; |
| } |
| |
| @Fold |
| public static int logOfHeapRegionGrainBytesMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_LOG_OF_HEAP_REGION_GRAIN_BYTES; |
| } |
| |
| @Fold |
| public static int inlineContiguousAllocationSupportedMark(@InjectedParameter GraalHotSpotVMConfig config) { |
| return config.MARKID_INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED; |
| } |
| |
| @Override |
| public Node canonical(CanonicalizerTool tool) { |
| if (markId == 0) { |
| return ConstantNode.forBoolean(!GeneratePIC.getValue(tool.getOptions())); |
| } |
| if (!GeneratePIC.getValue(tool.getOptions())) { |
| if (markId == config.MARKID_CARD_TABLE_ADDRESS) { |
| return ConstantNode.forLong(config.cardtableStartAddress); |
| } else if (markId == config.MARKID_HEAP_TOP_ADDRESS) { |
| return ConstantNode.forLong(config.heapTopAddress); |
| } else if (markId == config.MARKID_HEAP_END_ADDRESS) { |
| return ConstantNode.forLong(config.heapEndAddress); |
| } else if (markId == config.MARKID_CRC_TABLE_ADDRESS) { |
| return ConstantNode.forLong(config.crcTableAddress); |
| } else if (markId == config.MARKID_LOG_OF_HEAP_REGION_GRAIN_BYTES) { |
| return ConstantNode.forInt(config.logOfHRGrainBytes); |
| } else if (markId == config.MARKID_INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED) { |
| return ConstantNode.forBoolean(config.inlineContiguousAllocationSupported); |
| } else { |
| assert false; |
| } |
| } |
| return this; |
| } |
| } |