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view graal/com.oracle.graal.hotspot.aarch64/src/com/oracle/graal/hotspot/aarch64/AArch64HotSpotForeignCallsProvider.java @ 23217:a1bfeec72458
AArch64 Graal Port
author | twisti |
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date | Thu, 24 Dec 2015 11:43:35 -1000 |
parents | |
children | 9306a9611097 |
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/* * Copyright (c) 2013, 2015, 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.aarch64; import static com.oracle.graal.hotspot.HotSpotBackend.Options.PreferGraalStubs; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.JUMP_ADDRESS; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.RegisterEffect.PRESERVES_REGISTERS; import static com.oracle.graal.hotspot.HotSpotForeignCallLinkage.Transition.LEAF; import static com.oracle.graal.hotspot.replacements.CRC32Substitutions.UPDATE_BYTES_CRC32; import static jdk.vm.ci.aarch64.AArch64.r0; import static jdk.vm.ci.aarch64.AArch64.r3; import static jdk.vm.ci.code.CallingConvention.Type.NativeCall; import static jdk.vm.ci.meta.LocationIdentity.any; import static jdk.vm.ci.meta.Value.ILLEGAL; import com.oracle.graal.hotspot.HotSpotBackend; import com.oracle.graal.hotspot.HotSpotForeignCallLinkageImpl; import com.oracle.graal.hotspot.HotSpotGraalRuntimeProvider; import com.oracle.graal.hotspot.meta.HotSpotHostForeignCallsProvider; import com.oracle.graal.hotspot.meta.HotSpotProviders; import jdk.vm.ci.code.CallingConvention; import jdk.vm.ci.code.CodeCacheProvider; import jdk.vm.ci.code.RegisterValue; import jdk.vm.ci.code.TargetDescription; import jdk.vm.ci.common.JVMCIError; import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; import jdk.vm.ci.hotspot.HotSpotVMConfig; import jdk.vm.ci.meta.LIRKind; import jdk.vm.ci.meta.MetaAccessProvider; import jdk.vm.ci.meta.PlatformKind; import jdk.vm.ci.meta.Value; public class AArch64HotSpotForeignCallsProvider extends HotSpotHostForeignCallsProvider { private final Value[] nativeABICallerSaveRegisters; public AArch64HotSpotForeignCallsProvider(HotSpotJVMCIRuntimeProvider jvmciRuntime, HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, CodeCacheProvider codeCache, Value[] nativeABICallerSaveRegisters) { super(jvmciRuntime, runtime, metaAccess, codeCache); this.nativeABICallerSaveRegisters = nativeABICallerSaveRegisters; } @Override public void initialize(HotSpotProviders providers) { HotSpotVMConfig config = jvmciRuntime.getConfig(); TargetDescription target = providers.getCodeCache().getTarget(); PlatformKind word = target.arch.getWordKind(); // The calling convention for the exception handler stub is (only?) defined in // TemplateInterpreterGenerator::generate_throw_exception() RegisterValue exception = r0.asValue(LIRKind.reference(word)); RegisterValue exceptionPc = r3.asValue(LIRKind.value(word)); CallingConvention exceptionCc = new CallingConvention(0, ILLEGAL, exception, exceptionPc); register(new HotSpotForeignCallLinkageImpl(HotSpotBackend.EXCEPTION_HANDLER, 0L, PRESERVES_REGISTERS, LEAF, null, exceptionCc, NOT_REEXECUTABLE, any())); register(new HotSpotForeignCallLinkageImpl(HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER, JUMP_ADDRESS, PRESERVES_REGISTERS, LEAF, exceptionCc, null, NOT_REEXECUTABLE, any())); if (PreferGraalStubs.getValue()) { throw JVMCIError.unimplemented("PreferGraalStubs"); } // These stubs do callee saving if (config.useCRC32Intrinsics) { registerForeignCall(UPDATE_BYTES_CRC32, config.updateBytesCRC32Stub, NativeCall, PRESERVES_REGISTERS, LEAF, NOT_REEXECUTABLE, any()); } super.initialize(providers); } @Override public Value[] getNativeABICallerSaveRegisters() { return nativeABICallerSaveRegisters; } }