1 /*
   2  * Copyright (c) 2013, 2019, 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.BASE64_ENCODE_BLOCK;
  33 import static org.graalvm.compiler.hotspot.HotSpotBackend.COUNTERMODE_IMPL_CRYPT;
  34 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT;
  35 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_BLOCK;
  36 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_BLOCK_WITH_ORIGINAL_KEY;
  37 import static org.graalvm.compiler.hotspot.HotSpotBackend.DECRYPT_WITH_ORIGINAL_KEY;
  38 import static org.graalvm.compiler.hotspot.HotSpotBackend.ENCRYPT;
  39 import static org.graalvm.compiler.hotspot.HotSpotBackend.ENCRYPT_BLOCK;
  40 import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER;
  41 import static org.graalvm.compiler.hotspot.HotSpotBackend.GHASH_PROCESS_BLOCKS;
  42 import static org.graalvm.compiler.hotspot.HotSpotBackend.IC_MISS_HANDLER;
  43 import static org.graalvm.compiler.hotspot.HotSpotBackend.INITIALIZE_KLASS_BY_SYMBOL;
  44 import static org.graalvm.compiler.hotspot.HotSpotBackend.INVOCATION_EVENT;
  45 import static org.graalvm.compiler.hotspot.HotSpotBackend.MONTGOMERY_MULTIPLY;
  46 import static org.graalvm.compiler.hotspot.HotSpotBackend.MONTGOMERY_SQUARE;
  47 import static org.graalvm.compiler.hotspot.HotSpotBackend.MULTIPLY_TO_LEN;
  48 import static org.graalvm.compiler.hotspot.HotSpotBackend.MUL_ADD;
  49 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_ARRAY;
  50 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_ARRAY_OR_NULL;
  51 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_INSTANCE;
  52 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_INSTANCE_OR_NULL;
  53 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_MULTI_ARRAY;
  54 import static org.graalvm.compiler.hotspot.HotSpotBackend.NEW_MULTI_ARRAY_OR_NULL;
  55 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_DYNAMIC_INVOKE;
  56 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_KLASS_BY_SYMBOL;
  57 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_METHOD_BY_SYMBOL_AND_LOAD_COUNTERS;
  58 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_STRING_BY_SYMBOL;
  59 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA2_IMPL_COMPRESS;
  60 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA2_IMPL_COMPRESS_MB;
  61 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA5_IMPL_COMPRESS;
  62 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA5_IMPL_COMPRESS_MB;
  63 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA_IMPL_COMPRESS;
  64 import static org.graalvm.compiler.hotspot.HotSpotBackend.SHA_IMPL_COMPRESS_MB;
  65 import static org.graalvm.compiler.hotspot.HotSpotBackend.SQUARE_TO_LEN;
  66 import static org.graalvm.compiler.hotspot.HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER;
  67 import static org.graalvm.compiler.hotspot.HotSpotBackend.VECTORIZED_MISMATCHED;
  68 import static org.graalvm.compiler.hotspot.HotSpotBackend.VM_ERROR;
  69 import static org.graalvm.compiler.hotspot.HotSpotBackend.WRONG_METHOD_HANDLER;
  70 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.NOT_REEXECUTABLE;
  71 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.REEXECUTABLE;
  72 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Reexecutability.REEXECUTABLE_ONLY_AFTER_EXCEPTION;
  73 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.DESTROYS_REGISTERS;
  74 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS;
  75 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF;
  76 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.LEAF_NO_VZERO;
  77 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.SAFEPOINT;
  78 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.STACK_INSPECTABLE_LEAF;
  79 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.DEOPTIMIZATION_HANDLER;
  80 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
  81 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
  82 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
  83 import static org.graalvm.compiler.hotspot.replacements.AssertionSnippets.ASSERTION_VM_MESSAGE_C;
  84 import static org.graalvm.compiler.hotspot.replacements.HotSpotG1WriteBarrierSnippets.G1WBPOSTCALL;
  85 import static org.graalvm.compiler.hotspot.replacements.HotSpotG1WriteBarrierSnippets.G1WBPRECALL;
  86 import static org.graalvm.compiler.hotspot.replacements.HotSpotG1WriteBarrierSnippets.VALIDATE_OBJECT;
  87 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.MARK_WORD_LOCATION;
  88 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.TLAB_END_LOCATION;
  89 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.TLAB_TOP_LOCATION;
  90 import static org.graalvm.compiler.hotspot.replacements.Log.LOG_OBJECT;
  91 import static org.graalvm.compiler.hotspot.replacements.Log.LOG_PRIMITIVE;
  92 import static org.graalvm.compiler.hotspot.replacements.Log.LOG_PRINTF;
  93 import static org.graalvm.compiler.hotspot.replacements.MonitorSnippets.MONITORENTER;
  94 import static org.graalvm.compiler.hotspot.replacements.MonitorSnippets.MONITOREXIT;
  95 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.DYNAMIC_NEW_INSTANCE;
  96 import static org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.DYNAMIC_NEW_INSTANCE_OR_NULL;
  97 import static org.graalvm.compiler.hotspot.replacements.ThreadSubstitutions.THREAD_IS_INTERRUPTED;
  98 import static org.graalvm.compiler.hotspot.stubs.ExceptionHandlerStub.EXCEPTION_HANDLER_FOR_PC;
  99 import static org.graalvm.compiler.hotspot.stubs.StubUtil.VM_MESSAGE_C;
 100 import static org.graalvm.compiler.hotspot.stubs.UnwindExceptionToCallerStub.EXCEPTION_HANDLER_FOR_RETURN_ADDRESS;
 101 import static org.graalvm.compiler.nodes.java.ForeignCallDescriptors.REGISTER_FINALIZER;
 102 import static org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation.POW;
 103 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.COS;
 104 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.EXP;
 105 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.LOG;
 106 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.LOG10;
 107 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.SIN;
 108 import static org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation.TAN;
 109 import static jdk.internal.vm.compiler.word.LocationIdentity.any;
 110 
 111 import java.util.EnumMap;
 112 
 113 import jdk.internal.vm.compiler.collections.EconomicMap;
 114 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;
 115 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
 116 import org.graalvm.compiler.debug.GraalError;
 117 import org.graalvm.compiler.hotspot.CompilerRuntimeHotSpotVMConfig;
 118 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 119 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
 120 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
 121 import org.graalvm.compiler.hotspot.stubs.ArrayStoreExceptionStub;
 122 import org.graalvm.compiler.hotspot.stubs.ClassCastExceptionStub;
 123 import org.graalvm.compiler.hotspot.stubs.CreateExceptionStub;
 124 import org.graalvm.compiler.hotspot.stubs.DivisionByZeroExceptionStub;
 125 import org.graalvm.compiler.hotspot.stubs.ExceptionHandlerStub;
 126 import org.graalvm.compiler.hotspot.stubs.IntegerExactOverflowExceptionStub;
 127 import org.graalvm.compiler.hotspot.stubs.LongExactOverflowExceptionStub;
 128 import org.graalvm.compiler.hotspot.stubs.NullPointerExceptionStub;
 129 import org.graalvm.compiler.hotspot.stubs.OutOfBoundsExceptionStub;
 130 import org.graalvm.compiler.hotspot.stubs.Stub;
 131 import org.graalvm.compiler.hotspot.stubs.UnwindExceptionToCallerStub;
 132 import org.graalvm.compiler.hotspot.stubs.VerifyOopStub;
 133 import org.graalvm.compiler.nodes.NamedLocationIdentity;
 134 import org.graalvm.compiler.nodes.extended.BytecodeExceptionNode.BytecodeExceptionKind;
 135 import org.graalvm.compiler.options.OptionValues;
 136 import org.graalvm.compiler.replacements.arraycopy.ArrayCopyForeignCalls;
 137 import org.graalvm.compiler.word.Word;
 138 import org.graalvm.compiler.word.WordTypes;
 139 import jdk.internal.vm.compiler.word.LocationIdentity;
 140 
 141 import jdk.vm.ci.code.CodeCacheProvider;
 142 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
 143 import jdk.vm.ci.meta.JavaKind;
 144 import jdk.vm.ci.meta.MetaAccessProvider;
 145 
 146 /**
 147  * HotSpot implementation of {@link ForeignCallsProvider}.
 148  */
 149 public abstract class HotSpotHostForeignCallsProvider extends HotSpotForeignCallsProviderImpl implements ArrayCopyForeignCalls {
 150 
 151     public static final ForeignCallDescriptor JAVA_TIME_MILLIS = new ForeignCallDescriptor("javaTimeMillis", long.class);
 152     public static final ForeignCallDescriptor JAVA_TIME_NANOS = new ForeignCallDescriptor("javaTimeNanos", long.class);
 153 
 154     public static final ForeignCallDescriptor NOTIFY = new ForeignCallDescriptor("object_notify", boolean.class, Object.class);
 155     public static final ForeignCallDescriptor NOTIFY_ALL = new ForeignCallDescriptor("object_notifyAll", boolean.class, Object.class);
 156 
 157     public HotSpotHostForeignCallsProvider(HotSpotJVMCIRuntime jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache,
 158                     WordTypes wordTypes) {
 159         super(jvmciRuntime, runtime, metaAccess, codeCache, wordTypes);
 160     }
 161 
 162     protected static void link(Stub stub) {
 163         stub.getLinkage().setCompiledStub(stub);
 164     }
 165 
 166     @Override
 167     public ForeignCallDescriptor lookupCheckcastArraycopyDescriptor(boolean uninit) {
 168         return checkcastArraycopyDescriptors[uninit ? 1 : 0];
 169     }
 170 
 171     @Override
 172     public ForeignCallDescriptor lookupArraycopyDescriptor(JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny) {
 173         if (uninit) {
 174             assert kind == JavaKind.Object;
 175             assert !killAny : "unsupported";
 176             return uninitObjectArraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0];
 177         }
 178         if (killAny) {
 179             return arraycopyDescriptorsKillAny[aligned ? 1 : 0][disjoint ? 1 : 0].get(kind);
 180         }
 181         return arraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0].get(kind);
 182     }
 183 
 184     @SuppressWarnings("unchecked") private static final EnumMap<JavaKind, ForeignCallDescriptor>[][] arraycopyDescriptors = (EnumMap<JavaKind, ForeignCallDescriptor>[][]) new EnumMap<?, ?>[2][2];
 185     @SuppressWarnings("unchecked") private static final EnumMap<JavaKind, ForeignCallDescriptor>[][] arraycopyDescriptorsKillAny = (EnumMap<JavaKind, ForeignCallDescriptor>[][]) new EnumMap<?, ?>[2][2];
 186 
 187     private static final ForeignCallDescriptor[][] uninitObjectArraycopyDescriptors = new ForeignCallDescriptor[2][2];
 188     private static final ForeignCallDescriptor[] checkcastArraycopyDescriptors = new ForeignCallDescriptor[2];
 189 
 190     static {
 191         // Populate the EnumMap instances
 192         for (int i = 0; i < arraycopyDescriptors.length; i++) {
 193             for (int j = 0; j < arraycopyDescriptors[i].length; j++) {
 194                 arraycopyDescriptors[i][j] = new EnumMap<>(JavaKind.class);
 195                 arraycopyDescriptorsKillAny[i][j] = new EnumMap<>(JavaKind.class);
 196             }
 197         }
 198     }
 199 
 200     private void registerArraycopyDescriptor(EconomicMap<Long, ForeignCallDescriptor> descMap, JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny, long routine) {
 201         ForeignCallDescriptor desc = descMap.get(routine);
 202         if (desc == null) {
 203             desc = buildDescriptor(kind, aligned, disjoint, uninit, killAny, routine);
 204             descMap.put(routine, desc);
 205         }
 206         if (uninit) {
 207             assert kind == JavaKind.Object;
 208             uninitObjectArraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0] = desc;
 209         } else if (killAny) {
 210             arraycopyDescriptorsKillAny[aligned ? 1 : 0][disjoint ? 1 : 0].put(kind, desc);
 211         } else {
 212             arraycopyDescriptors[aligned ? 1 : 0][disjoint ? 1 : 0].put(kind, desc);
 213         }
 214     }
 215 
 216     private ForeignCallDescriptor buildDescriptor(JavaKind kind, boolean aligned, boolean disjoint, boolean uninit, boolean killAny, long routine) {
 217         assert !uninit || kind == JavaKind.Object;
 218         String name = kind + (aligned ? "Aligned" : "") + (disjoint ? "Disjoint" : "") + (uninit ? "Uninit" : "") + "Arraycopy" + (killAny ? "KillAny" : "");
 219         ForeignCallDescriptor desc = new ForeignCallDescriptor(name, void.class, Word.class, Word.class, Word.class);
 220         LocationIdentity killed = killAny ? LocationIdentity.any() : NamedLocationIdentity.getArrayLocation(kind);
 221         registerForeignCall(desc, routine, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, NOT_REEXECUTABLE, killed);
 222         return desc;
 223     }
 224 
 225     private void registerCheckcastArraycopyDescriptor(boolean uninit, long routine) {
 226         String name = "Object" + (uninit ? "Uninit" : "") + "CheckcastArraycopy";
 227         // Input:
 228         // c_rarg0 - source array address
 229         // c_rarg1 - destination array address
 230         // c_rarg2 - element count, treated as ssize_t, can be zero
 231         // c_rarg3 - size_t ckoff (super_check_offset)
 232         // c_rarg4 - oop ckval (super_klass)
 233         // return: 0 = success, n = number of copied elements xor'd with -1.
 234         ForeignCallDescriptor desc = new ForeignCallDescriptor(name, int.class, Word.class, Word.class, Word.class, Word.class, Word.class);
 235         LocationIdentity killed = NamedLocationIdentity.any();
 236         registerForeignCall(desc, routine, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, NOT_REEXECUTABLE, killed);
 237         checkcastArraycopyDescriptors[uninit ? 1 : 0] = desc;
 238     }
 239 
 240     private void registerArrayCopy(JavaKind kind,
 241                     long routine,
 242                     long alignedRoutine,
 243                     long disjointRoutine,
 244                     long alignedDisjointRoutine) {
 245         registerArrayCopy(kind, routine, alignedRoutine, disjointRoutine, alignedDisjointRoutine, false);
 246     }
 247 
 248     private void registerArrayCopy(JavaKind kind,
 249                     long routine,
 250                     long alignedRoutine,
 251                     long disjointRoutine,
 252                     long alignedDisjointRoutine,
 253                     boolean uninit) {
 254         /*
 255          * Sometimes the same function is used for multiple cases so share them when that's the case
 256          * but only within the same Kind. For instance short and char are the same copy routines but
 257          * they kill different memory so they still have to be distinct.
 258          */
 259         EconomicMap<Long, ForeignCallDescriptor> descMap = EconomicMap.create();
 260         registerArraycopyDescriptor(descMap, kind, false, false, uninit, false, routine);
 261         registerArraycopyDescriptor(descMap, kind, true, false, uninit, false, alignedRoutine);
 262         registerArraycopyDescriptor(descMap, kind, false, true, uninit, false, disjointRoutine);
 263         registerArraycopyDescriptor(descMap, kind, true, true, uninit, false, alignedDisjointRoutine);
 264 
 265         if (!uninit) {
 266             EconomicMap<Long, ForeignCallDescriptor> killAnyDescMap = EconomicMap.create();
 267             registerArraycopyDescriptor(killAnyDescMap, kind, false, false, uninit, true, routine);
 268             registerArraycopyDescriptor(killAnyDescMap, kind, true, false, uninit, true, alignedRoutine);
 269             registerArraycopyDescriptor(killAnyDescMap, kind, false, true, uninit, true, disjointRoutine);
 270             registerArraycopyDescriptor(killAnyDescMap, kind, true, true, uninit, true, alignedDisjointRoutine);
 271         }
 272     }
 273 
 274     public void initialize(HotSpotProviders providers, OptionValues options) {
 275         GraalHotSpotVMConfig c = runtime.getVMConfig();
 276         registerForeignCall(DEOPTIMIZATION_HANDLER, c.handleDeoptStub, NativeCall, PRESERVES_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 277         registerForeignCall(UNCOMMON_TRAP_HANDLER, c.uncommonTrapStub, NativeCall, PRESERVES_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 278         registerForeignCall(IC_MISS_HANDLER, c.inlineCacheMissStub, NativeCall, PRESERVES_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 279 
 280         if (c.enableStackReservedZoneAddress != 0) {
 281             assert c.throwDelayedStackOverflowErrorEntry != 0 : "both must exist";
 282             registerForeignCall(ENABLE_STACK_RESERVED_ZONE, c.enableStackReservedZoneAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 283             registerForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR, c.throwDelayedStackOverflowErrorEntry, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 284         }
 285 
 286         registerForeignCall(JAVA_TIME_MILLIS, c.javaTimeMillisAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 287         registerForeignCall(JAVA_TIME_NANOS, c.javaTimeNanosAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 288 
 289         registerMathStubs(c, providers, options);
 290 
 291         registerForeignCall(ARITHMETIC_FREM, c.fremAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 292         registerForeignCall(ARITHMETIC_DREM, c.dremAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 293 
 294         registerForeignCall(LOAD_AND_CLEAR_EXCEPTION, c.loadAndClearExceptionAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 295 
 296         registerForeignCall(EXCEPTION_HANDLER_FOR_PC, c.exceptionHandlerForPcAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, any());
 297         registerForeignCall(EXCEPTION_HANDLER_FOR_RETURN_ADDRESS, c.exceptionHandlerForReturnAddressAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, any());
 298 
 299         CreateExceptionStub.registerForeignCalls(c, this);
 300 
 301         /*
 302          * This message call is registered twice, where the second one must only be used for calls
 303          * that do not return, i.e., that exit the VM.
 304          */
 305         registerForeignCall(VM_MESSAGE_C, c.vmMessageAddress, NativeCall, DESTROYS_REGISTERS, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 306         registerForeignCall(ASSERTION_VM_MESSAGE_C, c.vmMessageAddress, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 307 
 308         linkForeignCall(options, providers, NEW_INSTANCE, c.newInstanceAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 309         linkForeignCall(options, providers, NEW_ARRAY, c.newArrayAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 310         linkForeignCall(options, providers, NEW_MULTI_ARRAY, c.newMultiArrayAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 311         linkForeignCall(options, providers, DYNAMIC_NEW_INSTANCE, c.dynamicNewInstanceAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE);
 312 
 313         if (c.areNullAllocationStubsAvailable()) {
 314             linkForeignCall(options, providers, NEW_INSTANCE_OR_NULL, c.newInstanceOrNullAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 315             linkForeignCall(options, providers, NEW_ARRAY_OR_NULL, c.newArrayOrNullAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 316             linkForeignCall(options, providers, NEW_MULTI_ARRAY_OR_NULL, c.newMultiArrayOrNullAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 317             linkForeignCall(options, providers, DYNAMIC_NEW_INSTANCE_OR_NULL, c.dynamicNewInstanceOrNullAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE);
 318         }
 319 
 320         link(new ExceptionHandlerStub(options, providers, foreignCalls.get(EXCEPTION_HANDLER)));
 321         link(new UnwindExceptionToCallerStub(options, providers, registerStubCall(UNWIND_EXCEPTION_TO_CALLER, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any())));
 322         link(new VerifyOopStub(options, providers, registerStubCall(VERIFY_OOP, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS)));
 323 
 324         EnumMap<BytecodeExceptionKind, ForeignCallDescriptor> exceptionRuntimeCalls = DefaultHotSpotLoweringProvider.RuntimeCalls.runtimeCalls;
 325         link(new ArrayStoreExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.ARRAY_STORE), SAFEPOINT, REEXECUTABLE, any())));
 326         link(new ClassCastExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.CLASS_CAST), SAFEPOINT, REEXECUTABLE, any())));
 327         link(new NullPointerExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.NULL_POINTER), SAFEPOINT, REEXECUTABLE, any())));
 328         link(new OutOfBoundsExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.OUT_OF_BOUNDS), SAFEPOINT, REEXECUTABLE, any())));
 329         link(new DivisionByZeroExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.DIVISION_BY_ZERO), SAFEPOINT, REEXECUTABLE, any())));
 330         link(new IntegerExactOverflowExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.INTEGER_EXACT_OVERFLOW), SAFEPOINT, REEXECUTABLE, any())));
 331         link(new LongExactOverflowExceptionStub(options, providers, registerStubCall(exceptionRuntimeCalls.get(BytecodeExceptionKind.LONG_EXACT_OVERFLOW), SAFEPOINT, REEXECUTABLE, any())));
 332 
 333         linkForeignCall(options, providers, IDENTITY_HASHCODE, c.identityHashCodeAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, MARK_WORD_LOCATION);
 334         linkForeignCall(options, providers, REGISTER_FINALIZER, c.registerFinalizerAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 335         linkForeignCall(options, providers, MONITORENTER, c.monitorenterAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 336         linkForeignCall(options, providers, MONITOREXIT, c.monitorexitAddress, PREPEND_THREAD, STACK_INSPECTABLE_LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 337         linkForeignCall(options, providers, NOTIFY, c.notifyAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 338         linkForeignCall(options, providers, NOTIFY_ALL, c.notifyAllAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 339         linkForeignCall(options, providers, LOG_PRINTF, c.logPrintfAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 340         linkForeignCall(options, providers, LOG_OBJECT, c.logObjectAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 341         linkForeignCall(options, providers, LOG_PRIMITIVE, c.logPrimitiveAddress, PREPEND_THREAD, LEAF, REEXECUTABLE, NO_LOCATIONS);
 342         linkForeignCall(options, providers, VM_ERROR, c.vmErrorAddress, PREPEND_THREAD, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 343         linkForeignCall(options, providers, OSR_MIGRATION_END, c.osrMigrationEndAddress, DONT_PREPEND_THREAD, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NO_LOCATIONS);
 344         linkForeignCall(options, providers, G1WBPRECALL, c.writeBarrierPreAddress, PREPEND_THREAD, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 345         linkForeignCall(options, providers, G1WBPOSTCALL, c.writeBarrierPostAddress, PREPEND_THREAD, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 346         linkForeignCall(options, providers, VALIDATE_OBJECT, c.validateObject, PREPEND_THREAD, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 347 
 348         if (GeneratePIC.getValue(options)) {
 349             registerForeignCall(WRONG_METHOD_HANDLER, c.handleWrongMethodStub, NativeCall, PRESERVES_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE, NO_LOCATIONS);
 350             CompilerRuntimeHotSpotVMConfig cr = new CompilerRuntimeHotSpotVMConfig(HotSpotJVMCIRuntime.runtime().getConfigStore());
 351             linkForeignCall(options, providers, RESOLVE_STRING_BY_SYMBOL, cr.resolveStringBySymbol, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
 352             linkForeignCall(options, providers, RESOLVE_DYNAMIC_INVOKE, cr.resolveDynamicInvoke, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 353             linkForeignCall(options, providers, RESOLVE_KLASS_BY_SYMBOL, cr.resolveKlassBySymbol, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 354             linkForeignCall(options, providers, RESOLVE_METHOD_BY_SYMBOL_AND_LOAD_COUNTERS, cr.resolveMethodBySymbolAndLoadCounters, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 355             linkForeignCall(options, providers, INITIALIZE_KLASS_BY_SYMBOL, cr.initializeKlassBySymbol, PREPEND_THREAD, SAFEPOINT, NOT_REEXECUTABLE, any());
 356             linkForeignCall(options, providers, INVOCATION_EVENT, cr.invocationEvent, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 357             linkForeignCall(options, providers, BACKEDGE_EVENT, cr.backedgeEvent, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, NO_LOCATIONS);
 358         }
 359 
 360         // Cannot be a leaf as VM acquires Thread_lock which requires thread_in_vm state
 361         linkForeignCall(options, providers, THREAD_IS_INTERRUPTED, c.threadIsInterruptedAddress, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE_ONLY_AFTER_EXCEPTION, any());
 362 
 363         linkForeignCall(options, providers, TEST_DEOPTIMIZE_CALL_INT, c.testDeoptimizeCallInt, PREPEND_THREAD, SAFEPOINT, REEXECUTABLE, any());
 364 
 365         registerArrayCopy(JavaKind.Byte, c.jbyteArraycopy, c.jbyteAlignedArraycopy, c.jbyteDisjointArraycopy, c.jbyteAlignedDisjointArraycopy);
 366         registerArrayCopy(JavaKind.Boolean, c.jbyteArraycopy, c.jbyteAlignedArraycopy, c.jbyteDisjointArraycopy, c.jbyteAlignedDisjointArraycopy);
 367         registerArrayCopy(JavaKind.Char, c.jshortArraycopy, c.jshortAlignedArraycopy, c.jshortDisjointArraycopy, c.jshortAlignedDisjointArraycopy);
 368         registerArrayCopy(JavaKind.Short, c.jshortArraycopy, c.jshortAlignedArraycopy, c.jshortDisjointArraycopy, c.jshortAlignedDisjointArraycopy);
 369         registerArrayCopy(JavaKind.Int, c.jintArraycopy, c.jintAlignedArraycopy, c.jintDisjointArraycopy, c.jintAlignedDisjointArraycopy);
 370         registerArrayCopy(JavaKind.Float, c.jintArraycopy, c.jintAlignedArraycopy, c.jintDisjointArraycopy, c.jintAlignedDisjointArraycopy);
 371         registerArrayCopy(JavaKind.Long, c.jlongArraycopy, c.jlongAlignedArraycopy, c.jlongDisjointArraycopy, c.jlongAlignedDisjointArraycopy);
 372         registerArrayCopy(JavaKind.Double, c.jlongArraycopy, c.jlongAlignedArraycopy, c.jlongDisjointArraycopy, c.jlongAlignedDisjointArraycopy);
 373         registerArrayCopy(JavaKind.Object, c.oopArraycopy, c.oopAlignedArraycopy, c.oopDisjointArraycopy, c.oopAlignedDisjointArraycopy);
 374         registerArrayCopy(JavaKind.Object, c.oopArraycopyUninit, c.oopAlignedArraycopyUninit, c.oopDisjointArraycopyUninit, c.oopAlignedDisjointArraycopyUninit, true);
 375 
 376         registerCheckcastArraycopyDescriptor(true, c.checkcastArraycopyUninit);
 377         registerCheckcastArraycopyDescriptor(false, c.checkcastArraycopy);
 378 
 379         registerForeignCall(GENERIC_ARRAYCOPY, c.genericArraycopy, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 380         registerForeignCall(UNSAFE_ARRAYCOPY, c.unsafeArraycopy, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 381 
 382         if (c.useMultiplyToLenIntrinsic()) {
 383             registerForeignCall(MULTIPLY_TO_LEN, c.multiplyToLen, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 384                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 385         }
 386 
 387         if (c.useSHA1Intrinsics()) {
 388             registerForeignCall(SHA_IMPL_COMPRESS, c.sha1ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 389             registerForeignCall(SHA_IMPL_COMPRESS_MB, c.sha1ImplCompressMultiBlock, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 390         }
 391         if (c.useSHA256Intrinsics()) {
 392             registerForeignCall(SHA2_IMPL_COMPRESS, c.sha256ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 393             registerForeignCall(SHA2_IMPL_COMPRESS_MB, c.sha256ImplCompressMultiBlock, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 394         }
 395         if (c.useSHA512Intrinsics()) {
 396             registerForeignCall(SHA5_IMPL_COMPRESS, c.sha512ImplCompress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 397             registerForeignCall(SHA5_IMPL_COMPRESS_MB, c.sha512ImplCompressMultiBlock, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 398         }
 399         if (c.useGHASHIntrinsics()) {
 400             registerForeignCall(GHASH_PROCESS_BLOCKS, c.ghashProcessBlocks, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 401         }
 402         if (c.useBase64Intrinsics()) {
 403             registerForeignCall(BASE64_ENCODE_BLOCK, c.base64EncodeBlock, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.any());
 404         }
 405         if (c.useMulAddIntrinsic()) {
 406             registerForeignCall(MUL_ADD, c.mulAdd, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 407         }
 408         if (c.useMontgomeryMultiplyIntrinsic()) {
 409             registerForeignCall(MONTGOMERY_MULTIPLY, c.montgomeryMultiply, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 410                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 411         }
 412         if (c.useMontgomerySquareIntrinsic()) {
 413             registerForeignCall(MONTGOMERY_SQUARE, c.montgomerySquare, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 414                             NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 415         }
 416         if (c.useSquareToLenIntrinsic()) {
 417             registerForeignCall(SQUARE_TO_LEN, c.squareToLen, NativeCall, DESTROYS_REGISTERS, LEAF_NO_VZERO, REEXECUTABLE_ONLY_AFTER_EXCEPTION, NamedLocationIdentity.getArrayLocation(JavaKind.Int));
 418         }
 419 
 420         if (c.useAESIntrinsics) {
 421             /*
 422              * When the java.ext.dirs property is modified then the crypto classes might not be
 423              * found. If that's the case we ignore the ClassNotFoundException and continue since we
 424              * cannot replace a non-existing method anyway.
 425              */
 426             try {
 427                 // These stubs do callee saving
 428                 registerForeignCall(ENCRYPT_BLOCK, c.aescryptEncryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 429                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 430                 registerForeignCall(DECRYPT_BLOCK, c.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 431                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 432                 registerForeignCall(DECRYPT_BLOCK_WITH_ORIGINAL_KEY, c.aescryptDecryptBlockStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 433                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 434             } catch (GraalError e) {
 435                 if (!(e.getCause() instanceof ClassNotFoundException)) {
 436                     throw e;
 437                 }
 438             }
 439             try {
 440                 // These stubs do callee saving
 441                 registerForeignCall(ENCRYPT, c.cipherBlockChainingEncryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 442                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 443                 registerForeignCall(DECRYPT, c.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 444                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 445                 registerForeignCall(DECRYPT_WITH_ORIGINAL_KEY, c.cipherBlockChainingDecryptAESCryptStub, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 446                                 NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
 447             } catch (GraalError e) {
 448                 if (!(e.getCause() instanceof ClassNotFoundException)) {
 449                     throw e;
 450                 }
 451             }
 452         }
 453 
 454         if (c.useAESCTRIntrinsics) {
 455             assert (c.counterModeAESCrypt != 0L);
 456             registerForeignCall(COUNTERMODE_IMPL_CRYPT, c.counterModeAESCrypt, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 457                             NamedLocationIdentity.any());
 458         }
 459 
 460         if (c.useVectorizedMismatchIntrinsic) {
 461             assert (c.vectorizedMismatch != 0L);
 462             registerForeignCall(VECTORIZED_MISMATCHED, c.vectorizedMismatch, NativeCall, PRESERVES_REGISTERS, LEAF, REEXECUTABLE_ONLY_AFTER_EXCEPTION,
 463                             NamedLocationIdentity.any());
 464 
 465         }
 466     }
 467 
 468     public HotSpotForeignCallLinkage getForeignCall(ForeignCallDescriptor descriptor) {
 469         assert foreignCalls != null : descriptor;
 470         return foreignCalls.get(descriptor);
 471     }
 472 
 473     @SuppressWarnings("unused")
 474     protected void registerMathStubs(GraalHotSpotVMConfig hotSpotVMConfig, HotSpotProviders providers, OptionValues options) {
 475         registerForeignCall(SIN.foreignCallDescriptor, hotSpotVMConfig.arithmeticSinAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 476         registerForeignCall(COS.foreignCallDescriptor, hotSpotVMConfig.arithmeticCosAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 477         registerForeignCall(TAN.foreignCallDescriptor, hotSpotVMConfig.arithmeticTanAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 478         registerForeignCall(EXP.foreignCallDescriptor, hotSpotVMConfig.arithmeticExpAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 479         registerForeignCall(LOG.foreignCallDescriptor, hotSpotVMConfig.arithmeticLogAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 480         registerForeignCall(LOG10.foreignCallDescriptor, hotSpotVMConfig.arithmeticLog10Address, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 481         registerForeignCall(POW.foreignCallDescriptor, hotSpotVMConfig.arithmeticPowAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
 482     }
 483 }