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comparison test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 8098:1b0dc9f87e75

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8006753: fix failed for JDK-8002415 White box testing API for HotSpot Summary: Modify WhiteBoxAPI to use interface classes from test/testlibrary instead, add ClassFileInstaller to resolve the boot class path issue Reviewed-by: ctornqvi, dsamersoff, coleenp, kvn
author mgerdin
date Tue, 19 Feb 2013 18:45:49 +0100
parents src/share/tools/whitebox/sun/hotspot/WhiteBox.java@12e01444ca2d
children ede380e13960
comparison
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8069:1048edb5434a 8098:1b0dc9f87e75
1 /*
2 * Copyright (c) 2012, 2013 Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.hotspot;
26
27 import java.lang.reflect.Method;
28 import java.security.BasicPermission;
29 import sun.hotspot.parser.DiagnosticCommand;
30
31 public class WhiteBox {
32
33 @SuppressWarnings("serial")
34 public static class WhiteBoxPermission extends BasicPermission {
35 public WhiteBoxPermission(String s) {
36 super(s);
37 }
38 }
39
40 private WhiteBox() {}
41 private static final WhiteBox instance = new WhiteBox();
42 private static native void registerNatives();
43
44 /**
45 * Returns the singleton WhiteBox instance.
46 *
47 * The returned WhiteBox object should be carefully guarded
48 * by the caller, since it can be used to read and write data
49 * at arbitrary memory addresses. It must never be passed to
50 * untrusted code.
51 */
52 public synchronized static WhiteBox getWhiteBox() {
53 SecurityManager sm = System.getSecurityManager();
54 if (sm != null) {
55 sm.checkPermission(new WhiteBoxPermission("getInstance"));
56 }
57 return instance;
58 }
59
60 static {
61 registerNatives();
62 }
63
64 // Memory
65 public native long getObjectAddress(Object o);
66 public native int getHeapOopSize();
67
68 // Runtime
69 // Make sure class name is in the correct format
70 public boolean isClassAlive(String name) {
71 return isClassAlive0(name.replace('.', '/'));
72 }
73 private native boolean isClassAlive0(String name);
74
75 // G1
76 public native boolean g1InConcurrentMark();
77 public native boolean g1IsHumongous(Object o);
78 public native long g1NumFreeRegions();
79 public native int g1RegionSize();
80 public native Object[] parseCommandLine(String commandline, DiagnosticCommand[] args);
81
82 // NMT
83 public native boolean NMTAllocTest();
84 public native boolean NMTFreeTestMemory();
85 public native boolean NMTWaitForDataMerge();
86
87 // Compiler
88 public native void deoptimizeAll();
89 public native boolean isMethodCompiled(Method method);
90 public native boolean isMethodCompilable(Method method);
91 public native boolean isMethodQueuedForCompilation(Method method);
92 public native int deoptimizeMethod(Method method);
93 public native void makeMethodNotCompilable(Method method);
94 public native int getMethodCompilationLevel(Method method);
95 public native boolean setDontInlineMethod(Method method, boolean value);
96 public native int getCompileQueuesSize();
97 }