Mercurial > hg > truffle
view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/Compiler.java @ 1472:7641338cfc92
Small NPE fix. More detailed error in case of wrong bytecode in patching stub.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Thu, 25 Nov 2010 19:21:22 +0100 |
parents | ef7761803480 |
children | cb04e4217df0 fe69dec9a1ed |
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/* * Copyright (c) 2010 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.lang.management.*; import java.lang.reflect.Proxy; import java.net.*; import com.sun.c1x.*; import com.sun.c1x.target.amd64.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; import com.sun.cri.xir.*; import com.sun.hotspot.c1x.logging.*; import com.sun.hotspot.c1x.server.CompilationServer.ReplacingInputStream; import com.sun.hotspot.c1x.server.CompilationServer.ReplacingOutputStream; /** * Singleton class holding the instance of the C1XCompiler. * * @author Thomas Wuerthinger, Lukas Stadler */ public final class Compiler { private static Compiler theInstance; public static Compiler getInstance() { if (theInstance == null) { theInstance = new Compiler(); Runtime.getRuntime().addShutdownHook(new ShutdownThread()); } return theInstance; } private static VMEntries vmEntries; public static class ShutdownThread extends Thread { @Override public void run() { VMExitsNative.compileMethods = false; if (C1XOptions.PrintMetrics) { C1XMetrics.print(); } if (C1XOptions.PrintTimers) { C1XTimers.print(); } } } public static VMExits initializeServer(VMEntries entries) { if (Logger.ENABLED) { vmEntries = LoggingProxy.getProxy(VMEntries.class, entries); vmExits = LoggingProxy.getProxy(VMExits.class, new VMExitsNative()); } else { vmEntries = entries; vmExits = new VMExitsNative(); } return vmExits; } private static VMEntries initializeClient(VMExits exits) { vmEntries = new VMEntriesNative(); vmExits = exits; return vmEntries; } public static VMEntries getVMEntries() { if (vmEntries == null) { try { vmEntries = new VMEntriesNative(); if (CountingProxy.ENABLED) { vmEntries = CountingProxy.getProxy(VMEntries.class, vmEntries); } if (Logger.ENABLED) { vmEntries = LoggingProxy.getProxy(VMEntries.class, vmEntries); } } catch (Throwable t) { t.printStackTrace(); } } return vmEntries; } private static VMExits vmExits; public static VMExits getVMExits() { if (vmExits == null) { String remote = System.getProperty("c1x.remote"); assert theInstance == null; assert vmEntries == null; try { if (remote != null) { System.out.println("C1X compiler started in client/server mode, connection to server " + remote); Socket socket = new Socket(remote, 1199); ReplacingOutputStream output = new ReplacingOutputStream(socket.getOutputStream()); ReplacingInputStream input = new ReplacingInputStream(socket.getInputStream()); InvocationSocket invocation = new InvocationSocket(output, input); VMExits exits = (VMExits) Proxy.newProxyInstance(VMExits.class.getClassLoader(), new Class<?>[] {VMExits.class}, invocation); VMEntries entries = Compiler.initializeClient(exits); invocation.setDelegate(entries); } else { vmExits = new VMExitsNative(); if (CountingProxy.ENABLED) { vmExits = CountingProxy.getProxy(VMExits.class, vmExits); } if (Logger.ENABLED) { vmExits = LoggingProxy.getProxy(VMExits.class, vmExits); } } } catch (Throwable t) { t.printStackTrace(); } } return vmExits; } private final CiCompiler compiler; private final HotSpotVMConfig config; private final HotSpotRuntime runtime; private final HotSpotRegisterConfig registerConfig; private final CiTarget target; private final RiXirGenerator generator; private Compiler() { config = getVMEntries().getConfiguration(); config.check(); runtime = new HotSpotRuntime(config); final int wordSize = 8; final int stackFrameAlignment = 16; registerConfig = runtime.globalStubRegConfig; target = new HotSpotTarget(new AMD64(), true, wordSize, wordSize, wordSize, stackFrameAlignment, config.vmPageSize, wordSize, wordSize, config.codeEntryAlignment, true); if (Logger.ENABLED) { generator = LoggingProxy.getProxy(RiXirGenerator.class, new HotSpotXirGenerator(config, target, registerConfig)); } else { generator = new HotSpotXirGenerator(config, target, registerConfig); } compiler = new C1XCompiler(runtime, target, generator, registerConfig); // these options are important - c1x4hotspot will not generate correct code without them C1XOptions.GenSpecialDivChecks = true; C1XOptions.NullCheckUniquePc = true; C1XOptions.invokeinterfaceTemplatePos = true; C1XOptions.StackShadowPages = config.stackShadowPages; } public CiCompiler getCompiler() { return compiler; } public HotSpotVMConfig getConfig() { return config; } public HotSpotRuntime getRuntime() { return runtime; } public RiRegisterConfig getRegisterConfig() { return registerConfig; } public CiTarget getTarget() { return target; } public RiXirGenerator getGenerator() { return generator; } }