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package org.graalvm.compiler.hotspot;

import jdk.internal.vm.compiler.collections.EconomicMap;
import jdk.internal.vm.compiler.collections.Equivalence;
import org.graalvm.compiler.core.common.CompilationIdentifier;
import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
import org.graalvm.compiler.hotspot.stubs.Stub;
import org.graalvm.compiler.lir.LIR;
import org.graalvm.compiler.lir.LIRFrameState;
import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp;
import org.graalvm.compiler.lir.framemap.FrameMapBuilder;
import org.graalvm.compiler.lir.gen.LIRGenerationResult;

import jdk.vm.ci.code.CallingConvention;
import jdk.vm.ci.code.StackSlot;

public class HotSpotLIRGenerationResult extends LIRGenerationResult {

    
The slot reserved for storing the original return address when a frame is marked for deoptimization. The return address slot in the callee is overwritten with the address of a deoptimization stub.
/** * The slot reserved for storing the original return address when a frame is marked for * deoptimization. The return address slot in the callee is overwritten with the address of a * deoptimization stub. */
private StackSlot deoptimizationRescueSlot; protected final Object stub; private final boolean requiresReservedStackAccessCheck; private int maxInterpreterFrameSize;
Map from debug infos that need to be updated with callee save information to the operations that provide the information.
/** * Map from debug infos that need to be updated with callee save information to the operations * that provide the information. */
private EconomicMap<LIRFrameState, SaveRegistersOp> calleeSaveInfo = EconomicMap.create(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE); public HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, RegisterAllocationConfig registerAllocationConfig, CallingConvention callingConvention, Object stub, boolean requiresReservedStackAccessCheck) { super(compilationId, lir, frameMapBuilder, registerAllocationConfig, callingConvention); this.stub = stub; this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck; } public EconomicMap<LIRFrameState, SaveRegistersOp> getCalleeSaveInfo() { return calleeSaveInfo; } public Stub getStub() { return (Stub) stub; } public StackSlot getDeoptimizationRescueSlot() { return deoptimizationRescueSlot; } public final void setDeoptimizationRescueSlot(StackSlot stackSlot) { this.deoptimizationRescueSlot = stackSlot; } public void setMaxInterpreterFrameSize(int maxInterpreterFrameSize) { this.maxInterpreterFrameSize = maxInterpreterFrameSize; } public int getMaxInterpreterFrameSize() { return maxInterpreterFrameSize; } public boolean requiresReservedStackAccessCheck() { return requiresReservedStackAccessCheck; } }