|
| 1 | +package org.graalvm.compiler.hotspot.replacements; |
| 2 | + |
| 3 | +import jdk.vm.ci.code.Register; |
| 4 | +import jdk.vm.ci.code.TargetDescription; |
| 5 | +import jdk.vm.ci.meta.JavaKind; |
| 6 | +import jdk.vm.ci.meta.ResolvedJavaType; |
| 7 | +import org.graalvm.compiler.core.common.CompressEncoding; |
| 8 | +import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; |
| 9 | +import org.graalvm.compiler.debug.DebugHandlersFactory; |
| 10 | +import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; |
| 11 | +import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProviderImpl; |
| 12 | +import org.graalvm.compiler.hotspot.meta.HotSpotProviders; |
| 13 | +import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider; |
| 14 | +import org.graalvm.compiler.hotspot.nodes.GraalHotSpotVMConfigNode; |
| 15 | +import org.graalvm.compiler.hotspot.nodes.HotSpotCompressionNode; |
| 16 | +import org.graalvm.compiler.nodes.ValueNode; |
| 17 | +import org.graalvm.compiler.nodes.gc.G1ArrayRangePostWriteBarrier; |
| 18 | +import org.graalvm.compiler.nodes.gc.G1ArrayRangePreWriteBarrier; |
| 19 | +import org.graalvm.compiler.nodes.gc.G1PostWriteBarrier; |
| 20 | +import org.graalvm.compiler.nodes.gc.G1PreWriteBarrier; |
| 21 | +import org.graalvm.compiler.nodes.gc.G1ReferentFieldReadBarrier; |
| 22 | +import org.graalvm.compiler.nodes.gc.ShenandoahArrayRangePreWriteBarrier; |
| 23 | +import org.graalvm.compiler.nodes.gc.ShenandoahPreWriteBarrier; |
| 24 | +import org.graalvm.compiler.nodes.gc.ShenandoahReferentFieldReadBarrier; |
| 25 | +import org.graalvm.compiler.nodes.spi.LoweringTool; |
| 26 | +import org.graalvm.compiler.options.OptionValues; |
| 27 | +import org.graalvm.compiler.replacements.ReplacementsUtil; |
| 28 | +import org.graalvm.compiler.replacements.SnippetCounter; |
| 29 | +import org.graalvm.compiler.replacements.SnippetTemplate; |
| 30 | +import org.graalvm.compiler.replacements.gc.G1WriteBarrierSnippets; |
| 31 | +import org.graalvm.compiler.replacements.gc.ShenandoahBarrierSnippets; |
| 32 | +import org.graalvm.compiler.word.Word; |
| 33 | +import org.graalvm.word.WordFactory; |
| 34 | + |
| 35 | +import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_METAACCESS; |
| 36 | +import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_VMCONFIG; |
| 37 | + |
| 38 | +public final class HotSpotShenandoahBarrierSnippets extends ShenandoahBarrierSnippets { |
| 39 | + public static final ForeignCallDescriptor SHENANDOAHWBPRECALL = new ForeignCallDescriptor("shenandoah_concmark_barrier", void.class, Object.class); |
| 40 | + public static final ForeignCallDescriptor VALIDATE_OBJECT = new ForeignCallDescriptor("validate_object", boolean.class, Word.class, Word.class); |
| 41 | + |
| 42 | + private final GraalHotSpotVMConfig config; |
| 43 | + private final Register threadRegister; |
| 44 | + |
| 45 | + public HotSpotShenandoahBarrierSnippets(GraalHotSpotVMConfig config, HotSpotRegistersProvider registers) { |
| 46 | + this.config = config; |
| 47 | + this.threadRegister = registers.getThreadRegister(); |
| 48 | + } |
| 49 | + |
| 50 | + @Override |
| 51 | + protected Word getThread() { |
| 52 | + return HotSpotReplacementsUtil.registerAsWord(threadRegister); |
| 53 | + } |
| 54 | + |
| 55 | + @Override |
| 56 | + protected int wordSize() { |
| 57 | + return HotSpotReplacementsUtil.wordSize(); |
| 58 | + } |
| 59 | + |
| 60 | + @Override |
| 61 | + protected int objectArrayIndexScale() { |
| 62 | + return ReplacementsUtil.arrayIndexScale(INJECTED_METAACCESS, JavaKind.Object); |
| 63 | + } |
| 64 | + |
| 65 | + @Override |
| 66 | + protected int satbQueueMarkingOffset() { |
| 67 | + return HotSpotReplacementsUtil.shenandoahSATBQueueMarkingOffset(INJECTED_VMCONFIG); |
| 68 | + } |
| 69 | + |
| 70 | + @Override |
| 71 | + protected int satbQueueBufferOffset() { |
| 72 | + return HotSpotReplacementsUtil.shenandoahSATBQueueBufferOffset(INJECTED_VMCONFIG); |
| 73 | + } |
| 74 | + |
| 75 | + @Override |
| 76 | + protected int satbQueueIndexOffset() { |
| 77 | + return HotSpotReplacementsUtil.shenandoahSATBQueueIndexOffset(INJECTED_VMCONFIG); |
| 78 | + } |
| 79 | + |
| 80 | + @Override |
| 81 | + protected ForeignCallDescriptor preWriteBarrierCallDescriptor() { |
| 82 | + return SHENANDOAHWBPRECALL; |
| 83 | + } |
| 84 | + |
| 85 | + @Override |
| 86 | + protected boolean verifyOops() { |
| 87 | + return HotSpotReplacementsUtil.verifyOops(INJECTED_VMCONFIG); |
| 88 | + } |
| 89 | + |
| 90 | + @Override |
| 91 | + protected boolean verifyBarrier() { |
| 92 | + return ReplacementsUtil.REPLACEMENTS_ASSERTIONS_ENABLED || config.verifyBeforeGC || config.verifyAfterGC; |
| 93 | + } |
| 94 | + |
| 95 | + @Override |
| 96 | + protected long gcTotalCollectionsAddress() { |
| 97 | + return HotSpotReplacementsUtil.gcTotalCollectionsAddress(INJECTED_VMCONFIG); |
| 98 | + } |
| 99 | + |
| 100 | + @Override |
| 101 | + protected ForeignCallDescriptor verifyOopCallDescriptor() { |
| 102 | + return HotSpotForeignCallsProviderImpl.VERIFY_OOP; |
| 103 | + } |
| 104 | + |
| 105 | + @Override |
| 106 | + protected ForeignCallDescriptor validateObjectCallDescriptor() { |
| 107 | + return VALIDATE_OBJECT; |
| 108 | + } |
| 109 | + |
| 110 | + @Override |
| 111 | + protected ForeignCallDescriptor printfCallDescriptor() { |
| 112 | + return Log.LOG_PRINTF; |
| 113 | + } |
| 114 | + |
| 115 | + @Override |
| 116 | + protected ResolvedJavaType referenceType() { |
| 117 | + return HotSpotReplacementsUtil.referenceType(INJECTED_METAACCESS); |
| 118 | + } |
| 119 | + |
| 120 | + @Override |
| 121 | + protected long referentOffset() { |
| 122 | + return HotSpotReplacementsUtil.referentOffset(INJECTED_METAACCESS); |
| 123 | + } |
| 124 | + |
| 125 | + public static class Templates extends SnippetTemplate.AbstractTemplates { |
| 126 | + private final SnippetTemplate.SnippetInfo shenandoahPreWriteBarrier; |
| 127 | + private final SnippetTemplate.SnippetInfo shenandoahReferentReadBarrier; |
| 128 | + private final SnippetTemplate.SnippetInfo shenandoahArrayRangePreWriteBarrier; |
| 129 | + |
| 130 | + private final ShenandoahBarrierLowerer lowerer; |
| 131 | + |
| 132 | + public Templates(OptionValues options, Iterable<DebugHandlersFactory> factories, SnippetCounter.Group.Factory factory, HotSpotProviders providers, TargetDescription target, GraalHotSpotVMConfig config) { |
| 133 | + super(options, factories, providers, providers.getSnippetReflection(), target); |
| 134 | + this.lowerer = new HotSpotShenandoahBarrierSnippets.HotspotShenandoahBarrierLowerer(config, factory); |
| 135 | + |
| 136 | + HotSpotShenandoahBarrierSnippets receiver = new HotSpotShenandoahBarrierSnippets(config, providers.getRegisters()); |
| 137 | + shenandoahPreWriteBarrier = snippet(ShenandoahBarrierSnippets.class, "shenandoahPreWriteBarrier", null, receiver, GC_INDEX_LOCATION, GC_LOG_LOCATION, SATB_QUEUE_MARKING_LOCATION, SATB_QUEUE_INDEX_LOCATION, |
| 138 | + SATB_QUEUE_BUFFER_LOCATION); |
| 139 | + shenandoahReferentReadBarrier = snippet(ShenandoahBarrierSnippets.class, "shenandoahReferentReadBarrier", null, receiver, GC_INDEX_LOCATION, GC_LOG_LOCATION, SATB_QUEUE_MARKING_LOCATION, |
| 140 | + SATB_QUEUE_INDEX_LOCATION, SATB_QUEUE_BUFFER_LOCATION); |
| 141 | + shenandoahArrayRangePreWriteBarrier = snippet(ShenandoahBarrierSnippets.class, "shenandoahArrayRangePreWriteBarrier", null, receiver, GC_INDEX_LOCATION, GC_LOG_LOCATION, SATB_QUEUE_MARKING_LOCATION, |
| 142 | + SATB_QUEUE_INDEX_LOCATION, SATB_QUEUE_BUFFER_LOCATION); |
| 143 | + } |
| 144 | + |
| 145 | + public void lower(ShenandoahPreWriteBarrier barrier, LoweringTool tool) { |
| 146 | + lowerer.lower(this, shenandoahPreWriteBarrier, barrier, tool); |
| 147 | + } |
| 148 | + |
| 149 | + public void lower(ShenandoahReferentFieldReadBarrier barrier, LoweringTool tool) { |
| 150 | + lowerer.lower(this, shenandoahReferentReadBarrier, barrier, tool); |
| 151 | + } |
| 152 | + |
| 153 | + public void lower(ShenandoahArrayRangePreWriteBarrier barrier, LoweringTool tool) { |
| 154 | + lowerer.lower(this, shenandoahArrayRangePreWriteBarrier, barrier, tool); |
| 155 | + } |
| 156 | + } |
| 157 | + |
| 158 | + static final class HotspotShenandoahBarrierLowerer extends ShenandoahBarrierLowerer { |
| 159 | + private final CompressEncoding oopEncoding; |
| 160 | + |
| 161 | + HotspotShenandoahBarrierLowerer(GraalHotSpotVMConfig config, SnippetCounter.Group.Factory factory) { |
| 162 | + super(factory); |
| 163 | + oopEncoding = config.useCompressedOops ? config.getOopEncoding() : null; |
| 164 | + } |
| 165 | + |
| 166 | + @Override |
| 167 | + public ValueNode uncompress(ValueNode expected) { |
| 168 | + assert oopEncoding != null; |
| 169 | + return HotSpotCompressionNode.uncompress(expected, oopEncoding); |
| 170 | + } |
| 171 | + } |
| 172 | +} |
0 commit comments