Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotForeignCallsProviderImpl.java @ 18524:c538c2c6b7e2
changed most references to HotSpotGraalRuntime to use HotSpotGraalRuntimeProvider instead
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 26 Nov 2014 11:48:34 +0100 |
parents | 23a2faa68470 |
children | 21384a8fbb64 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.meta; import static com.oracle.graal.api.code.CallingConvention.Type.*; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect.*; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.Transition.*; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect; import com.oracle.graal.hotspot.HotSpotForeignCallLinkage.Transition; import com.oracle.graal.hotspot.stubs.*; import com.oracle.graal.word.*; /** * HotSpot implementation of {@link HotSpotForeignCallsProvider}. */ public abstract class HotSpotForeignCallsProviderImpl implements HotSpotForeignCallsProvider { public static final ForeignCallDescriptor OSR_MIGRATION_END = new ForeignCallDescriptor("OSR_migration_end", void.class, long.class); public static final ForeignCallDescriptor IDENTITY_HASHCODE = new ForeignCallDescriptor("identity_hashcode", int.class, Object.class); public static final ForeignCallDescriptor VERIFY_OOP = new ForeignCallDescriptor("verify_oop", Object.class, Object.class); public static final ForeignCallDescriptor LOAD_AND_CLEAR_EXCEPTION = new ForeignCallDescriptor("load_and_clear_exception", Object.class, Word.class); public static final ForeignCallDescriptor TEST_DEOPTIMIZE_CALL_INT = new ForeignCallDescriptor("test_deoptimize_call_int", int.class, int.class); protected final HotSpotGraalRuntimeProvider runtime; protected final Map<ForeignCallDescriptor, HotSpotForeignCallLinkage> foreignCalls = new HashMap<>(); protected final MetaAccessProvider metaAccess; protected final CodeCacheProvider codeCache; public HotSpotForeignCallsProviderImpl(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache) { this.runtime = runtime; this.metaAccess = metaAccess; this.codeCache = codeCache; } /** * Registers the linkage for a foreign call. */ public HotSpotForeignCallLinkage register(HotSpotForeignCallLinkage linkage) { assert !foreignCalls.containsKey(linkage.getDescriptor()) : "already registered linkage for " + linkage.getDescriptor(); foreignCalls.put(linkage.getDescriptor(), linkage); return linkage; } /** * Creates and registers the details for linking a foreign call to a {@link Stub}. * * @param descriptor the signature of the call to the stub * @param reexecutable specifies if the stub call can be re-executed without (meaningful) side * effects. Deoptimization will not return to a point before a stub call that cannot * be re-executed. * @param transition specifies if this is a {@linkplain Transition#LEAF leaf} call * @param killedLocations the memory locations killed by the stub call */ public HotSpotForeignCallLinkage registerStubCall(ForeignCallDescriptor descriptor, boolean reexecutable, Transition transition, LocationIdentity... killedLocations) { return register(HotSpotForeignCallLinkageImpl.create(metaAccess, codeCache, this, descriptor, 0L, PRESERVES_REGISTERS, JavaCall, JavaCallee, transition, reexecutable, killedLocations)); } /** * Creates and registers the linkage for a foreign call. * * @param descriptor the signature of the foreign call * @param address the address of the code to call * @param outgoingCcType outgoing (caller) calling convention type * @param effect specifies if the call destroys or preserves all registers (apart from * temporaries which are always destroyed) * @param transition specifies if this is a {@linkplain Transition#LEAF leaf} call * @param reexecutable specifies if the foreign call can be re-executed without (meaningful) * side effects. Deoptimization will not return to a point before a foreign call that * cannot be re-executed. * @param killedLocations the memory locations killed by the foreign call */ public HotSpotForeignCallLinkage registerForeignCall(ForeignCallDescriptor descriptor, long address, CallingConvention.Type outgoingCcType, RegisterEffect effect, Transition transition, boolean reexecutable, LocationIdentity... killedLocations) { Class<?> resultType = descriptor.getResultType(); assert address != 0; assert transition != NOT_LEAF || resultType.isPrimitive() || Word.class.isAssignableFrom(resultType) : "non-leaf foreign calls must return objects in thread local storage: " + descriptor; return register(HotSpotForeignCallLinkageImpl.create(metaAccess, codeCache, this, descriptor, address, effect, outgoingCcType, null, transition, reexecutable, killedLocations)); } /** * Creates a {@linkplain ForeignCallStub stub} for a foreign call. * * @param descriptor the signature of the call to the stub * @param address the address of the foreign code to call * @param prependThread true if the JavaThread value for the current thread is to be prepended * to the arguments for the call to {@code address} * @param transition specifies if this is a {@linkplain Transition#LEAF leaf} call * @param reexecutable specifies if the foreign call can be re-executed without (meaningful) * side effects. Deoptimization will not return to a point before a foreign call that * cannot be re-executed. * @param killedLocations the memory locations killed by the foreign call */ public void linkForeignCall(HotSpotProviders providers, ForeignCallDescriptor descriptor, long address, boolean prependThread, Transition transition, boolean reexecutable, LocationIdentity... killedLocations) { ForeignCallStub stub = new ForeignCallStub(providers, address, descriptor, prependThread, transition, reexecutable, killedLocations); HotSpotForeignCallLinkage linkage = stub.getLinkage(); HotSpotForeignCallLinkage targetLinkage = stub.getTargetLinkage(); linkage.setCompiledStub(stub); register(linkage); register(targetLinkage); } public static final boolean PREPEND_THREAD = true; public static final boolean DONT_PREPEND_THREAD = !PREPEND_THREAD; public static final boolean REEXECUTABLE = true; public static final boolean NOT_REEXECUTABLE = !REEXECUTABLE; public static final LocationIdentity[] NO_LOCATIONS = {}; public HotSpotForeignCallLinkage lookupForeignCall(ForeignCallDescriptor descriptor) { assert foreignCalls != null : descriptor; HotSpotForeignCallLinkage callTarget = foreignCalls.get(descriptor); callTarget.finalizeAddress(runtime.getHostBackend()); return callTarget; } @Override public boolean isReexecutable(ForeignCallDescriptor descriptor) { assert foreignCalls.containsKey(descriptor) : "unknown foreign call: " + descriptor; return foreignCalls.get(descriptor).isReexecutable(); } public boolean canDeoptimize(ForeignCallDescriptor descriptor) { assert foreignCalls.containsKey(descriptor) : "unknown foreign call: " + descriptor; return foreignCalls.get(descriptor).canDeoptimize(); } public LocationIdentity[] getKilledLocations(ForeignCallDescriptor descriptor) { assert foreignCalls.containsKey(descriptor) : "unknown foreign call: " + descriptor; return foreignCalls.get(descriptor).getKilledLocations(); } }