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);
+    }
+}