Mercurial > hg > truffle
annotate test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 15305:ed3aa5bd08f0
Rename LIRControlFlowGraph to BaselineControlFlowGraph.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 22 Apr 2014 20:14:37 +0200 |
parents | 9d8b29a0548c |
children | a48e16541e6b |
rev | line source |
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5915 | 1 /* |
10092 | 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
5915 | 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; | |
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26 |
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27 import java.lang.reflect.Executable; |
5915 | 28 import java.security.BasicPermission; |
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29 import sun.hotspot.parser.DiagnosticCommand; |
5915 | 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 | |
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64 // Get the maximum heap size supporting COOPs |
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65 public native long getCompressedOopsMaxHeapSize(); |
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66 // Arguments |
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67 public native void printHeapSizes(); |
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68 |
5915 | 69 // Memory |
70 public native long getObjectAddress(Object o); | |
71 public native int getHeapOopSize(); | |
72 | |
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73 // Runtime |
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74 // Make sure class name is in the correct format |
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75 public boolean isClassAlive(String name) { |
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76 return isClassAlive0(name.replace('.', '/')); |
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77 } |
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78 private native boolean isClassAlive0(String name); |
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79 |
5915 | 80 // G1 |
81 public native boolean g1InConcurrentMark(); | |
82 public native boolean g1IsHumongous(Object o); | |
83 public native long g1NumFreeRegions(); | |
84 public native int g1RegionSize(); | |
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85 public native Object[] parseCommandLine(String commandline, DiagnosticCommand[] args); |
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86 |
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87 // NMT |
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88 public native long NMTMalloc(long size); |
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89 public native void NMTFree(long mem); |
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90 public native long NMTReserveMemory(long size); |
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91 public native void NMTCommitMemory(long addr, long size); |
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92 public native void NMTUncommitMemory(long addr, long size); |
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93 public native void NMTReleaseMemory(long addr, long size); |
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94 public native boolean NMTWaitForDataMerge(); |
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95 public native boolean NMTIsDetailSupported(); |
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96 |
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97 // Compiler |
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98 public native void deoptimizeAll(); |
12073 | 99 public boolean isMethodCompiled(Executable method) { |
100 return isMethodCompiled(method, false /*not osr*/); | |
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101 } |
12073 | 102 public native boolean isMethodCompiled(Executable method, boolean isOsr); |
103 public boolean isMethodCompilable(Executable method) { | |
104 return isMethodCompilable(method, -1 /*any*/); | |
105 } | |
106 public boolean isMethodCompilable(Executable method, int compLevel) { | |
107 return isMethodCompilable(method, compLevel, false /*not osr*/); | |
108 } | |
109 public native boolean isMethodCompilable(Executable method, int compLevel, boolean isOsr); | |
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110 public native boolean isMethodQueuedForCompilation(Executable method); |
12073 | 111 public int deoptimizeMethod(Executable method) { |
112 return deoptimizeMethod(method, false /*not osr*/); | |
113 } | |
114 public native int deoptimizeMethod(Executable method, boolean isOsr); | |
115 public void makeMethodNotCompilable(Executable method) { | |
116 makeMethodNotCompilable(method, -1 /*any*/); | |
117 } | |
118 public void makeMethodNotCompilable(Executable method, int compLevel) { | |
119 makeMethodNotCompilable(method, compLevel, false /*not osr*/); | |
120 } | |
121 public native void makeMethodNotCompilable(Executable method, int compLevel, boolean isOsr); | |
122 public int getMethodCompilationLevel(Executable method) { | |
123 return getMethodCompilationLevel(method, false /*not ost*/); | |
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124 } |
12073 | 125 public native int getMethodCompilationLevel(Executable method, boolean isOsr); |
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126 public native boolean testSetDontInlineMethod(Executable method, boolean value); |
12073 | 127 public int getCompileQueuesSize() { |
128 return getCompileQueueSize(-1 /*any*/); | |
129 } | |
130 public native int getCompileQueueSize(int compLevel); | |
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131 public native boolean testSetForceInlineMethod(Executable method, boolean value); |
12073 | 132 public boolean enqueueMethodForCompilation(Executable method, int compLevel) { |
133 return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/); | |
134 } | |
135 public native boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci); | |
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136 public native void clearMethodState(Executable method); |
12073 | 137 public native int getMethodEntryBci(Executable method); |
8850 | 138 |
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139 // Intered strings |
8850 | 140 public native boolean isInStringTable(String str); |
141 | |
10157 | 142 // Memory |
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143 public native void readReservedMemory(); |
10157 | 144 |
8850 | 145 // force Full GC |
146 public native void fullGC(); | |
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147 |
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148 // Tests on ReservedSpace/VirtualSpace classes |
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149 public native int stressVirtualSpaceResize(long reservedSpaceSize, long magnitude, long iterations); |
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150 public native void runMemoryUnitTests(); |
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151 public native void readFromNoaccessArea(); |
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152 |
5915 | 153 } |