| /* |
| * Copyright (c) 2015, 2016, 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 jdk.vm.ci.hotspot.aarch64; |
| |
| import static jdk.vm.ci.common.InitTimer.timer; |
| |
| import java.util.EnumSet; |
| |
| import jdk.vm.ci.aarch64.AArch64; |
| import jdk.vm.ci.code.Architecture; |
| import jdk.vm.ci.code.RegisterConfig; |
| import jdk.vm.ci.code.TargetDescription; |
| import jdk.vm.ci.code.stack.StackIntrospection; |
| import jdk.vm.ci.common.InitTimer; |
| import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; |
| import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; |
| import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; |
| import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; |
| import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; |
| import jdk.vm.ci.hotspot.HotSpotStackIntrospection; |
| import jdk.vm.ci.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.runtime.JVMCIBackend; |
| |
| public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { |
| |
| protected EnumSet<AArch64.CPUFeature> computeFeatures(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) { |
| // Configure the feature set using the HotSpot flag settings. |
| EnumSet<AArch64.CPUFeature> features = EnumSet.noneOf(AArch64.CPUFeature.class); |
| return features; |
| } |
| |
| protected EnumSet<AArch64.Flag> computeFlags(@SuppressWarnings("unused") AArch64HotSpotVMConfig config) { |
| EnumSet<AArch64.Flag> flags = EnumSet.noneOf(AArch64.Flag.class); |
| return flags; |
| } |
| |
| protected TargetDescription createTarget(AArch64HotSpotVMConfig config) { |
| final int stackFrameAlignment = 16; |
| final int implicitNullCheckLimit = 4096; |
| final boolean inlineObjects = true; |
| Architecture arch = new AArch64(computeFeatures(config), computeFlags(config)); |
| return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); |
| } |
| |
| protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) { |
| return new HotSpotConstantReflectionProvider(runtime); |
| } |
| |
| protected RegisterConfig createRegisterConfig(AArch64HotSpotVMConfig config, TargetDescription target) { |
| return new AArch64HotSpotRegisterConfig(target, config.useCompressedOops); |
| } |
| |
| protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { |
| return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); |
| } |
| |
| protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) { |
| return new HotSpotMetaAccessProvider(runtime); |
| } |
| |
| @Override |
| public String getArchitecture() { |
| return "aarch64"; |
| } |
| |
| @Override |
| public String toString() { |
| return "JVMCIBackend:" + getArchitecture(); |
| } |
| |
| @SuppressWarnings("try") |
| public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { |
| |
| assert host == null; |
| AArch64HotSpotVMConfig config = new AArch64HotSpotVMConfig(runtime.getConfigStore()); |
| TargetDescription target = createTarget(config); |
| |
| RegisterConfig regConfig; |
| HotSpotCodeCacheProvider codeCache; |
| ConstantReflectionProvider constantReflection; |
| HotSpotMetaAccessProvider metaAccess; |
| StackIntrospection stackIntrospection; |
| try (InitTimer t = timer("create providers")) { |
| try (InitTimer rt = timer("create MetaAccess provider")) { |
| metaAccess = createMetaAccess(runtime); |
| } |
| try (InitTimer rt = timer("create RegisterConfig")) { |
| regConfig = createRegisterConfig(config, target); |
| } |
| try (InitTimer rt = timer("create CodeCache provider")) { |
| codeCache = createCodeCache(runtime, target, regConfig); |
| } |
| try (InitTimer rt = timer("create ConstantReflection provider")) { |
| constantReflection = createConstantReflection(runtime); |
| } |
| try (InitTimer rt = timer("create StackIntrospection provider")) { |
| stackIntrospection = new HotSpotStackIntrospection(runtime); |
| } |
| } |
| try (InitTimer rt = timer("instantiate backend")) { |
| return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); |
| } |
| } |
| |
| protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, |
| StackIntrospection stackIntrospection) { |
| return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); |
| } |
| } |