1 /* 2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot; 26 27 import jdk.internal.vm.compiler.collections.EconomicMap; 28 import jdk.internal.vm.compiler.collections.Equivalence; 29 import org.graalvm.compiler.core.common.CompilationIdentifier; 30 import org.graalvm.compiler.hotspot.stubs.Stub; 31 import org.graalvm.compiler.lir.LIR; 32 import org.graalvm.compiler.lir.LIRFrameState; 33 import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp; 34 import org.graalvm.compiler.lir.framemap.FrameMapBuilder; 35 import org.graalvm.compiler.lir.gen.LIRGenerationResult; 36 37 import jdk.vm.ci.code.CallingConvention; 38 import jdk.vm.ci.code.StackSlot; 39 40 public class HotSpotLIRGenerationResult extends LIRGenerationResult { 41 42 /** 43 * The slot reserved for storing the original return address when a frame is marked for 44 * deoptimization. The return address slot in the callee is overwritten with the address of a 45 * deoptimization stub. 46 */ 47 private StackSlot deoptimizationRescueSlot; 48 protected final Object stub; 49 private final boolean requiresReservedStackAccessCheck; 50 51 private int maxInterpreterFrameSize; 52 53 /** 54 * Map from debug infos that need to be updated with callee save information to the operations 55 * that provide the information. 56 */ 57 private EconomicMap<LIRFrameState, SaveRegistersOp> calleeSaveInfo = EconomicMap.create(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE); 58 HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, CallingConvention callingConvention, Object stub, boolean requiresReservedStackAccessCheck)59 public HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, CallingConvention callingConvention, Object stub, 60 boolean requiresReservedStackAccessCheck) { 61 super(compilationId, lir, frameMapBuilder, callingConvention); 62 this.stub = stub; 63 this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck; 64 } 65 getCalleeSaveInfo()66 public EconomicMap<LIRFrameState, SaveRegistersOp> getCalleeSaveInfo() { 67 return calleeSaveInfo; 68 } 69 getStub()70 public Stub getStub() { 71 return (Stub) stub; 72 } 73 getDeoptimizationRescueSlot()74 public StackSlot getDeoptimizationRescueSlot() { 75 return deoptimizationRescueSlot; 76 } 77 setDeoptimizationRescueSlot(StackSlot stackSlot)78 public final void setDeoptimizationRescueSlot(StackSlot stackSlot) { 79 this.deoptimizationRescueSlot = stackSlot; 80 } 81 setMaxInterpreterFrameSize(int maxInterpreterFrameSize)82 public void setMaxInterpreterFrameSize(int maxInterpreterFrameSize) { 83 this.maxInterpreterFrameSize = maxInterpreterFrameSize; 84 } 85 getMaxInterpreterFrameSize()86 public int getMaxInterpreterFrameSize() { 87 return maxInterpreterFrameSize; 88 } 89 requiresReservedStackAccessCheck()90 public boolean requiresReservedStackAccessCheck() { 91 return requiresReservedStackAccessCheck; 92 } 93 } 94