Mercurial > hg > graal-compiler
view test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 9625:bce1c7759d9d
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 09 May 2013 11:32:08 +0200 |
parents | 7a5aec879506 |
children | 86db4847f195 4b2eebe03f93 |
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/* * Copyright (c) 2012, 2013 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 sun.hotspot; import java.lang.reflect.Method; import java.security.BasicPermission; import sun.hotspot.parser.DiagnosticCommand; public class WhiteBox { @SuppressWarnings("serial") public static class WhiteBoxPermission extends BasicPermission { public WhiteBoxPermission(String s) { super(s); } } private WhiteBox() {} private static final WhiteBox instance = new WhiteBox(); private static native void registerNatives(); /** * Returns the singleton WhiteBox instance. * * The returned WhiteBox object should be carefully guarded * by the caller, since it can be used to read and write data * at arbitrary memory addresses. It must never be passed to * untrusted code. */ public synchronized static WhiteBox getWhiteBox() { SecurityManager sm = System.getSecurityManager(); if (sm != null) { sm.checkPermission(new WhiteBoxPermission("getInstance")); } return instance; } static { registerNatives(); } // Memory public native long getObjectAddress(Object o); public native int getHeapOopSize(); // Runtime // Make sure class name is in the correct format public boolean isClassAlive(String name) { return isClassAlive0(name.replace('.', '/')); } private native boolean isClassAlive0(String name); // G1 public native boolean g1InConcurrentMark(); public native boolean g1IsHumongous(Object o); public native long g1NumFreeRegions(); public native int g1RegionSize(); public native Object[] parseCommandLine(String commandline, DiagnosticCommand[] args); // NMT public native long NMTMalloc(long size); public native void NMTFree(long mem); public native long NMTReserveMemory(long size); public native void NMTCommitMemory(long addr, long size); public native void NMTUncommitMemory(long addr, long size); public native void NMTReleaseMemory(long addr, long size); public native boolean NMTWaitForDataMerge(); // Compiler public native void deoptimizeAll(); public native boolean isMethodCompiled(Method method); public boolean isMethodCompilable(Method method) { return isMethodCompilable(method, -1 /*any*/); } public native boolean isMethodCompilable(Method method, int compLevel); public native boolean isMethodQueuedForCompilation(Method method); public native int deoptimizeMethod(Method method); public native void makeMethodNotCompilable(Method method); public native int getMethodCompilationLevel(Method method); public native boolean testSetDontInlineMethod(Method method, boolean value); public native int getCompileQueuesSize(); public native boolean testSetForceInlineMethod(Method method, boolean value); public native boolean enqueueMethodForCompilation(Method method, int compLevel); public native void clearMethodState(Method method); //Intered strings public native boolean isInStringTable(String str); // force Full GC public native void fullGC(); }