Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot.sparc/src/jdk/vm/ci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.hotspot.sparc/src/jdk/internal/jvmci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java@353eb2b44df8 |
children | c278790fa252 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot.sparc/src/jdk/vm/ci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java Thu Oct 08 17:28:41 2015 -0700 @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2012, 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 jdk.vm.ci.hotspot.sparc; + +import static jdk.vm.ci.inittimer.InitTimer.timer; + +import java.util.EnumSet; + +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.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.hotspot.HotSpotVMConfig; +import jdk.vm.ci.inittimer.InitTimer; +import jdk.vm.ci.runtime.JVMCIBackend; +import jdk.vm.ci.service.ServiceProvider; +import jdk.vm.ci.sparc.SPARC; +import jdk.vm.ci.sparc.SPARC.CPUFeature; + +@ServiceProvider(HotSpotJVMCIBackendFactory.class) +public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { + + protected TargetDescription createTarget(HotSpotVMConfig config) { + final int stackFrameAlignment = 16; + final int implicitNullCheckLimit = 4096; + final boolean inlineObjects = false; + Architecture arch = new SPARC(computeFeatures(config)); + return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + } + + protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { + return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); + } + + protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) { + EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class); + if ((config.sparcFeatures & config.vis1Instructions) != 0) { + features.add(CPUFeature.VIS1); + } + if ((config.sparcFeatures & config.vis2Instructions) != 0) { + features.add(CPUFeature.VIS2); + } + if ((config.sparcFeatures & config.vis3Instructions) != 0) { + features.add(CPUFeature.VIS3); + } + if ((config.sparcFeatures & config.cbcondInstructions) != 0) { + features.add(CPUFeature.CBCOND); + } + if (config.useBlockZeroing) { + features.add(CPUFeature.BLOCK_ZEROING); + } + return features; + } + + @Override + public String getArchitecture() { + return "SPARC"; + } + + @Override + public String toString() { + return "JVMCIBackend:" + getArchitecture(); + } + + @SuppressWarnings("try") + public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { + assert host == null; + TargetDescription target = createTarget(runtime.getConfig()); + + HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime); + RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target, runtime.getConfig()); + HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig); + HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime); + StackIntrospection stackIntrospection = new HotSpotStackIntrospection(runtime); + try (InitTimer rt = timer("instantiate backend")) { + return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); + } + } + + protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection, + StackIntrospection stackIntrospection) { + return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); + } +}