1 /*
   2  * Copyright (c) 2013, 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.meta;
  26 
  27 import static jdk.vm.ci.hotspot.HotSpotCallingConventionType.NativeCall;
  28 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
  29 import static org.graalvm.compiler.core.target.Backend.ARITHMETIC_DREM;
  30 import static org.graalvm.compiler.core.target.Backend.ARITHMETIC_FREM;
  31 import static org.graalvm.compiler.hotspot.HotSpotBackend.BACKEDGE_EVENT;
  32 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT;
  33 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_BLOCK;
  34 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_BLOCK_WITH_ORIGINAL_KEY;
  35 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_WITH_ORIGINAL_KEY;
  36 import static org.graalvm.compiler.hotspot.HotSpotBackend.ENCRYPT;
  37 import static org.graalvm.compiler.hotspot.HotSpotBackend.ENCRYPT_BLOCK;
  38 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER;
  39 import static org.graalvm.compiler.hotspot.HotSpotBackend.GENERIC_ARRAYCOPY;
  40 import static org.graalvm.compiler.hotspot.HotSpotBackend.IC_MISS_HANDLER;
  41 import static org.graalvm.compiler.hotspot.HotSpotBackend.INITIALIZE_KLASS_BY_SYMBOL;
  42 import static org.graalvm.compiler.hotspot.HotSpotBackend.INVOCATION_EVENT;
  43 import static org.graalvm.compiler.hotspot.HotSpotBackend.MONTGOMERY_MULTIPLY;
  44 import static org.graalvm.compiler.hotspot.HotSpotBackend.MONTGOMERY_SQUARE;
  45 import static org.graalvm.compiler.hotspot.HotSpotBackend.MULTIPLY_TO_LEN;
  46 import static org.graalvm.compiler.hotspot.HotSpotBackend.MUL_ADD;
  47 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_ARRAY;
  48 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_INSTANCE;
  49 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_MULTI_ARRAY;
  50 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_DYNAMIC_INVOKE;
  51 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_KLASS_BY_SYMBOL;
  52 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_METHOD_BY_SYMBOL_AND_LOAD_COUNTERS;
  53 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_STRING_BY_SYMBOL;
  54 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA2_IMPL_COMPRESS;
  55 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA5_IMPL_COMPRESS;
  56 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA_IMPL_COMPRESS;
  57 import static org.graalvm.compiler.hotspot.HotSpotBackend.SQUARE_TO_LEN;
  58 import static org.graalvm.compiler.hotspot.HotSpotBackend.UNSAFE_ARRAYCOPY;
  59 import static org.graalvm.compiler.hotspot.HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER;
  60 import static org.graalvm.compiler.hotspot.HotSpotBackend.VM_ERROR;
  61 import static org.graalvm.compiler.hotspot.HotSpotBackend.WRONG_METHOD_HANDLER;
  62 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.REEXECUTABLE;
  63 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.REEXECUTABLE_ONLY_AFTER_EXCEPTION;
  64 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.NOT_REEXECUTABLE;
  65 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.DESTROYS_REGISTERS;
  66 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS;
  67 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF;
  68 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF_NOFP;
  69 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.SAFEPOINT;
  70 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.STACK_INSPECTABLE_LEAF;
  71 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.DEOPTIMIZATION_HANDLER;
  72 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
  73 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
  74 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
  75 import static org.graalvm.compiler.hotspot.replacements.AssertionSnippets.ASSERTION_VM_MESSAGE_C;
  76 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.MARK_WORD_LOCATION;
  77 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.TLAB_END_LOCATION;
  78 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.TLAB_TOP_LOCATION;
  79 import static org.graalvm.compiler.hotspot.replacements.MonitorSnippets.MONITORENTER;
  80 import static org.graalvm.compiler.hotspot.replacements.MonitorSnippets.MONITOREXIT;
  81 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.DYNAMIC_NEW_ARRAY;
  82 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.DYNAMIC_NEW_INSTANCE;
  83 import static org.graalvm.compiler.hotspot.replacements.ThreadSubstitutions.THREAD_IS_INTERRUPTED;
  84 import static org.graalvm.compiler.hotspot.replacements.WriteBarrierSnippets.G1WBPOSTCALL;
  85 import static org.graalvm.compiler.hotspot.replacements.WriteBarrierSnippets.G1WBPRECALL;
  86 import static org.graalvm.compiler.hotspot.replacements.WriteBarrierSnippets.VALIDATE_OBJECT;
  87 import static org.graalvm.compiler.hotspot.stubs.ExceptionHandlerStub.EXCEPTION_HANDLER_FOR_PC;
  88 import static org.graalvm.compiler.hotspot.stubs.StubUtil.VM_MESSAGE_C;
  89 import static org.graalvm.compiler.hotspot.stubs.UnwindExceptionToCallerStub.EXCEPTION_HANDLER_FOR_RETURN_ADDRESS;
  90 import static org.graalvm.compiler.nodes.java.ForeignCallDescriptors.REGISTER_FINALIZER;
  91 import static org.graalvm.compiler.replacements.Log.LOG_OBJECT;
  92 import static org.graalvm.compiler.replacements.Log.LOG_PRIMITIVE;
  93 import static org.graalvm.compiler.replacements.Log.LOG_PRINTF;
  94 import static org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation.POW;
  95 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.COS;
  96 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.EXP;
  97 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.LOG;
  98 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.LOG10;
  99 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.SIN;
 100 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.TAN;
 101 import static jdk.internal.vm.compiler.word.LocationIdentity.any;
 102 
 103 import java.util.EnumMap;
 104 
 105 import jdk.internal.vm.compiler.collections.EconomicMap;
 106 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;
 107 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
 108 import org.graalvm.compiler.debug.GraalError;
 109 import org.graalvm.compiler.hotspot.CompilerRuntimeHotSpotVMConfig;
 110 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 111 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
 112 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
 113 import org.graalvm.compiler.hotspot.stubs.ArrayStoreExceptionStub;
 114 import org.graalvm.compiler.hotspot.stubs.ClassCastExceptionStub;
 115 import org.graalvm.compiler.hotspot.stubs.CreateExceptionStub;
 116 import org.graalvm.compiler.hotspot.stubs.DivisionByZeroExceptionStub;
 117 import org.graalvm.compiler.hotspot.stubs.ExceptionHandlerStub;
 118 import org.graalvm.compiler.hotspot.stubs.IntegerExactOverflowExceptionStub;
 119 import org.graalvm.compiler.hotspot.stubs.LongExactOverflowExceptionStub;
 120 import org.graalvm.compiler.hotspot.stubs.NullPointerExceptionStub;
 121 import org.graalvm.compiler.hotspot.stubs.OutOfBoundsExceptionStub;
 122 import org.graalvm.compiler.hotspot.stubs.Stub;
 123 import org.graalvm.compiler.hotspot.stubs.UnwindExceptionToCallerStub;
 124 import org.graalvm.compiler.hotspot.stubs.VerifyOopStub;
 125 import org.graalvm.compiler.nodes.NamedLocationIdentity;
 126 import org.graalvm.compiler.nodes.extended.BytecodeExceptionNode.BytecodeExceptionKind;
 127 import org.graalvm.compiler.options.OptionValues;
 128 import org.graalvm.compiler.word.Word;
 129 import org.graalvm.compiler.word.WordTypes;
 130 import jdk.internal.vm.compiler.word.LocationIdentity;
 131 
 132 import jdk.vm.ci.code.CodeCacheProvider;
 133 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
 134 import jdk.vm.ci.meta.JavaKind;
 135 import jdk.vm.ci.meta.MetaAccessProvider;
 136 
 137 /**
 138  * HotSpot implementation of {@link ForeignCallsProvider}.
 139  */
 140 public abstract class HotSpotHostForeignCallsProvider extends HotSpotForeignCallsProviderImpl {
 141 
 142     public static final ForeignCallDescriptor JAVA_TIME_MILLIS = new ForeignCallDescriptor("javaTimeMillis", long.class);
 143     public static final ForeignCallDescriptor JAVA_TIME_NANOS = new ForeignCallDescriptor("javaTimeNanos", long.class);
 144 
 145     public static final ForeignCallDescriptor NOTIFY = new ForeignCallDescriptor("object_notify", boolean.class, Object.class);
 146     public static final ForeignCallDescriptor NOTIFY_ALL = new ForeignCallDescriptor("object_notifyAll", boolean.class, Object.class);
 147 
 148     public HotSpotHostForeignCallsProvider(HotSpotJVMCIRuntime jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache,
 149                     WordTypes wordTypes) {
 150         super(jvmciRuntime, runtime, metaAccess, codeCache, wordTypes);
 151     }
 152 
 153     protected static void link(Stub stub) {
 154         stub.getLinkage().setCompiledStub(stub);
 155     }
 156 
 157     public static ForeignCallDescriptor lookupCheckcastArraycopyDescriptor(boolean uninit) {
 158         return checkcastArraycopyDescriptors[uninit ? 1 : 0];
 159     }
 160 
 161     public static ForeignCallDescriptor lookupArraycopyDescriptor(JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny) {
 162         if (uninit) {
 163             assert kind == JavaKind.Object;
 164             assert !killAny : "unsupported";
 165             return uninitObjectArraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0];
 166         }
 167         if (killAny) {
 168             assert kind == JavaKind.Object;
 169             return objectArraycopyDescriptorsKillAny[aligned ? 1 : 0][disjoint ? 1 : 0];
 170         }
 171         return arraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0].get(kind);
 172     }
 173 
 174     @SuppressWarnings({"unchecked"}) private static final EnumMap<JavaKind, ForeignCallDescriptor>[][] arraycopyDescriptors = (EnumMap<JavaKind, ForeignCallDescriptor>[][]) new EnumMap<?, ?>[2][2];
 175 
 176     private static final ForeignCallDescriptor[][] uninitObjectArraycopyDescriptors = new ForeignCallDescriptor[2][2];
 177     private static final ForeignCallDescriptor[] checkcastArraycopyDescriptors = new ForeignCallDescriptor[2];
 178     private static ForeignCallDescriptor[][] objectArraycopyDescriptorsKillAny = new ForeignCallDescriptor[2][2];
 179 
 180     static {
 181         // Populate the EnumMap instances
 182         for (int i = 0; i < arraycopyDescriptors.length; i++) {
 183             for (int j = 0; j < arraycopyDescriptors[i].length; j++) {
 184                 arraycopyDescriptors[i][j] = new EnumMap<>(JavaKind.class);
 185             }
 186         }
 187     }
 188 
 189     private void registerArraycopyDescriptor(EconomicMap<Long, ForeignCallDescriptor> descMap, JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny, long routine) {
 190         ForeignCallDescriptor desc = descMap.get(routine);
 191         if (desc == null) {
 192             desc = buildDescriptor(kind, aligned, disjoint, uninit, killAny, routine);
 193             descMap.put(routine, desc);
 194         }
 195         if (uninit) {
 196             assert kind == JavaKind.Object;
 197             uninitObjectArraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0] = desc;
 198         } else {
 199             arraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0].put(kind, desc);
 200         }
 201     }
 202 
 203     private ForeignCallDescriptor buildDescriptor(JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny, long routine) {
 204         assert !killAny || kind == JavaKind.Object;
 205         String name = kind + (aligned ? "Aligned" : "") + (disjoint ? "Disjoint" : "") + (uninit ? "Uninit" : "") + "Arraycopy" + (killAny ? "KillAny" : "");
 206         ForeignCallDescriptor desc = new ForeignCallDescriptor(name, void.class, Word.class, Word.class, Word.class);
 207         LocationIdentity killed = killAny ? LocationIdentity.any() : NamedLocationIdentity.getArrayLocation(kind);
 208         registerForeignCall(desc, routine, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, killed);
 209         return desc;
 210     }
 211 
 212     private void registerCheckcastArraycopyDescriptor(boolean uninit, long routine) {
 213         String name = "Object" + (uninit ? "Uninit" : "") + "Checkcast";
 214         // Input:
 215         // c_rarg0 - source array address
 216         // c_rarg1 - destination array address
 217         // c_rarg2 - element count, treated as ssize_t, can be zero
 218         // c_rarg3 - size_t ckoff (super_check_offset)
 219         // c_rarg4 - oop ckval (super_klass)
 220         // return: 0 = success, n = number of copied elements xor'd with -1.
 221         ForeignCallDescriptor desc = new ForeignCallDescriptor(name, int.class, Word.class, Word.class, Word.class, Word.class, Word.class);
 222         LocationIdentity killed = NamedLocationIdentity.any();
 223         registerForeignCall(desc, routine, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, NOT_REEXECUTABLE, killed);
 224         checkcastArraycopyDescriptors[uninit ? 1 : 0] = desc;
 225     }
 226 
 227     private void registerArrayCopy(JavaKind kind, long routine, long alignedRoutine, long disjointRoutine, long alignedDisjointRoutine) {
 228         registerArrayCopy(kind, routine, alignedRoutine, disjointRoutine, alignedDisjointRoutine, false);
 229     }
 230 
 231     private void registerArrayCopy(JavaKind kind, long routine, long alignedRoutine, long disjointRoutine, long alignedDisjointRoutine, boolean uninit) {
 232         /*
 233          * Sometimes the same function is used for multiple cases so share them when that's the case
 234          * but only within the same Kind. For instance short and char are the same copy routines but
 235          * they kill different memory so they still have to be distinct.
 236          */
 237         EconomicMap<Long, ForeignCallDescriptor> descMap = EconomicMap.create();
 238         registerArraycopyDescriptor(descMap, kind, false, false, uninit, false, routine);
 239         registerArraycopyDescriptor(descMap, kind, true, false, uninit, false, alignedRoutine);
 240         registerArraycopyDescriptor(descMap, kind, false, true, uninit, false, disjointRoutine);
 241         registerArraycopyDescriptor(descMap, kind, true, true, uninit, false, alignedDisjointRoutine);
 242 
 243         if (kind == JavaKind.Object && !uninit) {
 244             objectArraycopyDescriptorsKillAny[0][0] = buildDescriptor(kind, false, false, uninit, true, routine);
 245             objectArraycopyDescriptorsKillAny[1][0] = buildDescriptor(kind, true, false, uninit, true, alignedRoutine);
 246             objectArraycopyDescriptorsKillAny[0][1] = buildDescriptor(kind, false, true, uninit, true, disjointRoutine);
 247             objectArraycopyDescriptorsKillAny[1][1] = buildDescriptor(kind, true, true, uninit, true, alignedDisjointRoutine);
 248         }
 249     }
 250 
 251     public void initialize(HotSpotProviders providers, OptionValues options) {
 252         GraalHotSpotVMConfig c = runtime.getVMConfig();
 253         registerForeignCall(DEOPTIMIZATION_HANDLER, c.handleDeoptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 254         registerForeignCall(UNCOMMON_TRAP_HANDLER, c.uncommonTrapStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 255         registerForeignCall(IC_MISS_HANDLER, c.inlineCacheMissStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 256 
 257         if (c.enableStackReservedZoneAddress != 0) {
 258             assert c.throwDelayedStackOverflowErrorEntry != 0 : "both must exist";
 259             registerForeignCall(ENABLE_STACK_RESERVED_ZONE, c.enableStackReservedZoneAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 260             registerForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR, c.throwDelayedStackOverflowErrorEntry, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 261         }
 262 
 263         registerForeignCall(JAVA_TIME_MILLIS, c.javaTimeMillisAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 264         registerForeignCall(JAVA_TIME_NANOS, c.javaTimeNanosAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 265         registerForeignCall(SIN.foreignCallDescriptor, c.arithmeticSinAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 266         registerForeignCall(COS.foreignCallDescriptor, c.arithmeticCosAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 267         registerForeignCall(TAN.foreignCallDescriptor, c.arithmeticTanAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 268         registerForeignCall(EXP.foreignCallDescriptor, c.arithmeticExpAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 269         registerForeignCall(LOG.foreignCallDescriptor, c.arithmeticLogAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 270         registerForeignCall(LOG10.foreignCallDescriptor, c.arithmeticLog10Address, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 271         registerForeignCall(POW.foreignCallDescriptor, c.arithmeticPowAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 272         registerForeignCall(ARITHMETIC_FREM, c.fremAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 273         registerForeignCall(ARITHMETIC_DREM, c.dremAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 274 
 275         registerForeignCall(LOAD_AND_CLEAR_EXCEPTION, c.loadAndClearExceptionAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 276 
 277         registerForeignCall(EXCEPTION_HANDLER_FOR_PC, c.exceptionHandlerForPcAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, any());
 278         registerForeignCall(EXCEPTION_HANDLER_FOR_RETURN_ADDRESS, c.exceptionHandlerForReturnAddressAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, any());
 279 
 280         CreateExceptionStub.registerForeignCalls(c, this);
 281 
 282         /*
 283          * This message call is registered twice, where the second one must only be used for calls
 284          * that do not return, i.e., that exit the VM.
 285          */
 286         registerForeignCall(VM_MESSAGE_C, c.vmMessageAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 287         registerForeignCall(ASSERTION_VM_MESSAGE_C, c.vmMessageAddress, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 288 
 289         linkForeignCall(options, providers, NEW_INSTANCE, c.newInstanceAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 290         linkForeignCall(options, providers, NEW_ARRAY, c.newArrayAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 291         link(new ExceptionHandlerStub(options, providers, foreignCalls.get(EXCEPTION_HANDLER)));
 292         link(new UnwindExceptionToCallerStub(options, providers, registerStubCall(UNWIND_EXCEPTION_TO_CALLER, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any())));
 293         link(new VerifyOopStub(options, providers, registerStubCall(VERIFY_OOP, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS)));
 294 
 295         EnumMap<BytecodeExceptionKind, ForeignCallDescriptor> exceptionRuntimeCalls = DefaultHotSpotLoweringProvider.RuntimeCalls.runtimeCalls;
 296         link(new ArrayStoreExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.ARRAY_STORE), SAFEPOINT, REEXECUTABLE, any())));
 297         link(new ClassCastExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.CLASS_CAST), SAFEPOINT, REEXECUTABLE, any())));
 298         link(new NullPointerExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.NULL_POINTER), SAFEPOINT, REEXECUTABLE, any())));
 299         link(new OutOfBoundsExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.OUT_OF_BOUNDS), SAFEPOINT, REEXECUTABLE, any())));
 300         link(new DivisionByZeroExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.DIVISION_BY_ZERO), SAFEPOINT, REEXECUTABLE, any())));
 301         link(new IntegerExactOverflowExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.INTEGER_EXACT_OVERFLOW), SAFEPOINT, REEXECUTABLE, any())));
 302         link(new LongExactOverflowExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.LONG_EXACT_OVERFLOW), SAFEPOINT, REEXECUTABLE, any())));
 303 
 304         linkForeignCall(options, providers, IDENTITY_HASHCODE, c.identityHashCodeAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, MARK_WORD_LOCATION);
 305         linkForeignCall(options, providers, REGISTER_FINALIZER, c.registerFinalizerAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 306         linkForeignCall(options, providers, MONITORENTER, c.monitorenterAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 307         linkForeignCall(options, providers, MONITOREXIT, c.monitorexitAddress, PREPEND_THREAD, STACK_INSPECTABLE_LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 308         linkForeignCall(options, providers, NEW_MULTI_ARRAY, c.newMultiArrayAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 309         linkForeignCall(options, providers, NOTIFY, c.notifyAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 310         linkForeignCall(options, providers, NOTIFY_ALL, c.notifyAllAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 311         linkForeignCall(options, providers, DYNAMIC_NEW_ARRAY, c.dynamicNewArrayAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE);
 312         linkForeignCall(options, providers, DYNAMIC_NEW_INSTANCE, c.dynamicNewInstanceAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE);
 313         linkForeignCall(options, providers, LOG_PRINTF, c.logPrintfAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 314         linkForeignCall(options, providers, LOG_OBJECT, c.logObjectAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 315         linkForeignCall(options, providers, LOG_PRIMITIVE, c.logPrimitiveAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 316         linkForeignCall(options, providers, VM_ERROR, c.vmErrorAddress, PREPEND_THREAD, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 317         linkForeignCall(options, providers, OSR_MIGRATION_END, c.osrMigrationEndAddress, DONT_PREPEND_THREAD, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NO_LOCATIONS);
 318         linkForeignCall(options, providers, G1WBPRECALL, c.writeBarrierPreAddress, PREPEND_THREAD, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 319         linkForeignCall(options, providers, G1WBPOSTCALL, c.writeBarrierPostAddress, PREPEND_THREAD, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 320         linkForeignCall(options, providers, VALIDATE_OBJECT, c.validateObject, PREPEND_THREAD, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 321 
 322         if (GeneratePIC.getValue(options)) {
 323             registerForeignCall(WRONG_METHOD_HANDLER, c.handleWrongMethodStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 324             CompilerRuntimeHotSpotVMConfig cr = new CompilerRuntimeHotSpotVMConfig(HotSpotJVMCIRuntime.runtime().getConfigStore());
 325             linkForeignCall(options, providers, RESOLVE_STRING_BY_SYMBOL, cr.resolveStringBySymbol, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 326             linkForeignCall(options, providers, RESOLVE_DYNAMIC_INVOKE, cr.resolveDynamicInvoke, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 327             linkForeignCall(options, providers, RESOLVE_KLASS_BY_SYMBOL, cr.resolveKlassBySymbol, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 328             linkForeignCall(options, providers, RESOLVE_METHOD_BY_SYMBOL_AND_LOAD_COUNTERS, cr.resolveMethodBySymbolAndLoadCounters, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 329             linkForeignCall(options, providers, INITIALIZE_KLASS_BY_SYMBOL, cr.initializeKlassBySymbol, PREPEND_THREAD, SAFEPOINT, NOT_REEXECUTABLE, any());
 330             linkForeignCall(options, providers, INVOCATION_EVENT, cr.invocationEvent, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 331             linkForeignCall(options, providers, BACKEDGE_EVENT, cr.backedgeEvent, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 332         }
 333 
 334         // Cannot be a leaf as VM acquires Thread_lock which requires thread_in_vm state
 335         linkForeignCall(options, providers, THREAD_IS_INTERRUPTED, c.threadIsInterruptedAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 336 
 337         linkForeignCall(options, providers, TEST_DEOPTIMIZE_CALL_INT, c.testDeoptimizeCallInt, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 338 
 339         registerArrayCopy(JavaKind.Byte, c.jbyteArraycopy, c.jbyteAlignedArraycopy, c.jbyteDisjointArraycopy, c.jbyteAlignedDisjointArraycopy);
 340         registerArrayCopy(JavaKind.Boolean, c.jbyteArraycopy, c.jbyteAlignedArraycopy, c.jbyteDisjointArraycopy, c.jbyteAlignedDisjointArraycopy);
 341         registerArrayCopy(JavaKind.Char, c.jshortArraycopy, c.jshortAlignedArraycopy, c.jshortDisjointArraycopy, c.jshortAlignedDisjointArraycopy);
 342         registerArrayCopy(JavaKind.Short, c.jshortArraycopy, c.jshortAlignedArraycopy, c.jshortDisjointArraycopy, c.jshortAlignedDisjointArraycopy);
 343         registerArrayCopy(JavaKind.Int, c.jintArraycopy, c.jintAlignedArraycopy, c.jintDisjointArraycopy, c.jintAlignedDisjointArraycopy);
 344         registerArrayCopy(JavaKind.Float, c.jintArraycopy, c.jintAlignedArraycopy, c.jintDisjointArraycopy, c.jintAlignedDisjointArraycopy);
 345         registerArrayCopy(JavaKind.Long, c.jlongArraycopy, c.jlongAlignedArraycopy, c.jlongDisjointArraycopy, c.jlongAlignedDisjointArraycopy);
 346         registerArrayCopy(JavaKind.Double, c.jlongArraycopy, c.jlongAlignedArraycopy, c.jlongDisjointArraycopy, c.jlongAlignedDisjointArraycopy);
 347         registerArrayCopy(JavaKind.Object, c.oopArraycopy, c.oopAlignedArraycopy, c.oopDisjointArraycopy, c.oopAlignedDisjointArraycopy);
 348         registerArrayCopy(JavaKind.Object, c.oopArraycopyUninit, c.oopAlignedArraycopyUninit, c.oopDisjointArraycopyUninit, c.oopAlignedDisjointArraycopyUninit, true);
 349 
 350         registerCheckcastArraycopyDescriptor(true, c.checkcastArraycopyUninit);
 351         registerCheckcastArraycopyDescriptor(false, c.checkcastArraycopy);
 352 
 353         registerForeignCall(GENERIC_ARRAYCOPY, c.genericArraycopy, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 354         registerForeignCall(UNSAFE_ARRAYCOPY, c.unsafeArraycopy, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 355 
 356         if (c.useMultiplyToLenIntrinsic()) {
 357             registerForeignCall(MULTIPLY_TO_LEN, c.multiplyToLen, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 358                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 359         }
 360         if (c.useSHA1Intrinsics()) {
 361             registerForeignCall(SHA_IMPL_COMPRESS, c.sha1ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 362         }
 363         if (c.useSHA256Intrinsics()) {
 364             registerForeignCall(SHA2_IMPL_COMPRESS, c.sha256ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 365         }
 366         if (c.useSHA512Intrinsics()) {
 367             registerForeignCall(SHA5_IMPL_COMPRESS, c.sha512ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 368         }
 369         if (c.useMulAddIntrinsic()) {
 370             registerForeignCall(MUL_ADD, c.mulAdd, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 371         }
 372         if (c.useMontgomeryMultiplyIntrinsic()) {
 373             registerForeignCall(MONTGOMERY_MULTIPLY, c.montgomeryMultiply, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 374                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 375         }
 376         if (c.useMontgomerySquareIntrinsic()) {
 377             registerForeignCall(MONTGOMERY_SQUARE, c.montgomerySquare, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 378                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 379         }
 380         if (c.useSquareToLenIntrinsic()) {
 381             registerForeignCall(SQUARE_TO_LEN, c.squareToLen, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 382         }
 383 
 384         if (c.useAESIntrinsics) {
 385             /*
 386              * When the java.ext.dirs property is modified then the crypto classes might not be
 387              * found. If that's the case we ignore the ClassNotFoundException and continue since we
 388              * cannot replace a non-existing method anyway.
 389              */
 390             try {
 391                 // These stubs do callee saving
 392                 registerForeignCall(ENCRYPT_BLOCK, c.aescryptEncryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 393                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 394                 registerForeignCall(DECRYPT_BLOCK, c.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 395                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 396                 registerForeignCall(DECRYPT_BLOCK_WITH_ORIGINAL_KEY, c.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 397                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 398             } catch (GraalError e) {
 399                 if (!(e.getCause() instanceof ClassNotFoundException)) {
 400                     throw e;
 401                 }
 402             }
 403             try {
 404                 // These stubs do callee saving
 405                 registerForeignCall(ENCRYPT, c.cipherBlockChainingEncryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 406                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 407                 registerForeignCall(DECRYPT, c.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 408                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 409                 registerForeignCall(DECRYPT_WITH_ORIGINAL_KEY, c.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 410                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 411             } catch (GraalError e) {
 412                 if (!(e.getCause() instanceof ClassNotFoundException)) {
 413                     throw e;
 414                 }
 415             }
 416         }
 417     }
 418 
 419     public HotSpotForeignCallLinkage getForeignCall(ForeignCallDescriptor descriptor) {
 420         assert foreignCalls != null : descriptor;
 421         return foreignCalls.get(descriptor);
 422     }
 423 }