Mercurial > hg > graal-jvmci-8
diff c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/CompilerImpl.java @ 2285:762de4b26788
turn Compiler and HotSpotTypeResolved into interfaces
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 08 Apr 2011 13:43:05 +0200 |
parents | |
children | 8c426c2891c8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/CompilerImpl.java Fri Apr 08 13:43:05 2011 +0200 @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2011 Sun Microsystems, Inc. All rights reserved. + * + * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product + * that is described in this document. In particular, and without limitation, these intellectual property + * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or + * more additional patents or pending patent applications in the U.S. and in other countries. + * + * U.S. Government Rights - Commercial software. Government users are subject to the Sun + * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its + * supplements. + * + * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or + * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks + * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the + * U.S. and other countries. + * + * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open + * Company, Ltd. + */ +package com.sun.hotspot.c1x; + +import java.io.*; +import java.lang.management.*; +import java.lang.reflect.Proxy; +import java.net.*; + +import com.sun.c1x.*; +import com.sun.c1x.target.amd64.*; +import com.sun.cri.xir.*; +import com.sun.hotspot.c1x.logging.*; +import com.sun.hotspot.c1x.server.*; +import com.sun.hotspot.c1x.server.ReplacingStreams.ReplacingInputStream; +import com.sun.hotspot.c1x.server.ReplacingStreams.ReplacingOutputStream; + +/** + * Singleton class holding the instance of the C1XCompiler. + * + * @author Thomas Wuerthinger, Lukas Stadler + */ +public final class CompilerImpl implements Compiler { + + private static Compiler theInstance; + private static boolean PrintGCStats = false; + + private final VMEntries vmEntries; + private final VMExits vmExits; + + private final C1XCompiler compiler; + + public static Compiler getInstance() { + if (theInstance == null) { + theInstance = new CompilerImpl(null); + Runtime.getRuntime().addShutdownHook(new ShutdownThread()); + } + return theInstance; + } + + public static class ShutdownThread extends Thread { + + @Override + public void run() { + VMExitsNative.compileMethods = false; + if (C1XOptions.PrintMetrics) { + C1XMetrics.print(); + } + if (C1XOptions.PrintTimers) { + C1XTimers.print(); + } + if (PrintGCStats) { + printGCStats(); + } + } + } + + public static void printGCStats() { + long totalGarbageCollections = 0; + long garbageCollectionTime = 0; + + for (GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans()) { + long count = gc.getCollectionCount(); + if (count >= 0) { + totalGarbageCollections += count; + } + + long time = gc.getCollectionTime(); + if (time >= 0) { + garbageCollectionTime += time; + } + } + + System.out.println("Total Garbage Collections: " + totalGarbageCollections); + System.out.println("Total Garbage Collection Time (ms): " + garbageCollectionTime); + } + + public static Compiler initializeServer(VMEntries entries) { + assert theInstance == null; + theInstance = new CompilerImpl(entries); + return theInstance; + } + + @Override + public VMEntries getVMEntries() { + return vmEntries; + } + + @Override + public VMExits getVMExits() { + return vmExits; + } + + private CompilerImpl(VMEntries entries) { + // remote compilation (will not create a C1XCompiler) + String remote = System.getProperty("c1x.remote"); + if (remote != null) { + try { + System.out.println("C1X compiler started in client/server mode, server: " + remote); + Socket socket = new Socket(remote, 1199); + ReplacingStreams streams = new ReplacingStreams(); + + ReplacingOutputStream output = streams.new ReplacingOutputStream(new BufferedOutputStream(socket.getOutputStream())); + // required, because creating an ObjectOutputStream writes a header, but doesn't flush the stream + output.flush(); + ReplacingInputStream input = streams.new ReplacingInputStream(new BufferedInputStream(socket.getInputStream())); + input.setCompiler(this); + + InvocationSocket invocation = new InvocationSocket(output, input); + vmEntries = new VMEntriesNative(); + vmExits = (VMExits) Proxy.newProxyInstance(VMExits.class.getClassLoader(), new Class<?>[] { VMExits.class}, invocation); + invocation.setDelegate(vmEntries); + compiler = null; + return; + } catch (IOException t) { + System.out.println("Connection to compilation server FAILED."); + throw new RuntimeException(t); + } + } + + // initialize VMEntries + if (entries == null) + entries = new VMEntriesNative(); + + // initialize VMExits + VMExits exits = new VMExitsNative(this); + + // logging, etc. + if (CountingProxy.ENABLED) { + exits = CountingProxy.getProxy(VMExits.class, exits); + entries = CountingProxy.getProxy(VMEntries.class, entries); + } + if (Logger.ENABLED) { + exits = LoggingProxy.getProxy(VMExits.class, exits); + entries = LoggingProxy.getProxy(VMEntries.class, entries); + } + + // set the final fields + vmEntries = entries; + vmExits = exits; + + // initialize compiler and C1XOptions + HotSpotVMConfig config = vmEntries.getConfiguration(); + config.check(); + + // these options are important - c1x4hotspot will not generate correct code without them + C1XOptions.GenSpecialDivChecks = true; + C1XOptions.NullCheckUniquePc = true; + C1XOptions.InvokeSnippetAfterArguments = true; + C1XOptions.StackShadowPages = config.stackShadowPages; + + HotSpotRuntime runtime = new HotSpotRuntime(config, this); + HotSpotRegisterConfig registerConfig = runtime.globalStubRegConfig; + + final int wordSize = 8; + final int stackFrameAlignment = 16; + HotSpotTarget target = new HotSpotTarget(new AMD64(), true, wordSize, stackFrameAlignment, config.vmPageSize, wordSize, true); + + RiXirGenerator generator = new HotSpotXirGenerator(config, target, registerConfig, this); + if (Logger.ENABLED) { + generator = LoggingProxy.getProxy(RiXirGenerator.class, generator); + } + compiler = new C1XCompiler(runtime, target, generator, registerConfig); + } + + @Override + public C1XCompiler getCompiler() { + return compiler; + } + +}