Mercurial > hg > truffle
annotate test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 12073:f99558245e5c
8022832: Add WB APIs for OSR compilation
Reviewed-by: kvn
| author | iignatyev |
|---|---|
| date | Wed, 14 Aug 2013 23:50:23 +0400 |
| parents | f54c85acc043 |
| children | 5fd8e2fbafd4 |
| rev | line source |
|---|---|
| 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 // Arguments |
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65 public native void printHeapSizes(); |
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66 |
| 5915 | 67 // Memory |
| 68 public native long getObjectAddress(Object o); | |
| 69 public native int getHeapOopSize(); | |
| 70 | |
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71 // Runtime |
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72 // Make sure class name is in the correct format |
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73 public boolean isClassAlive(String name) { |
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74 return isClassAlive0(name.replace('.', '/')); |
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75 } |
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76 private native boolean isClassAlive0(String name); |
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77 |
| 5915 | 78 // G1 |
| 79 public native boolean g1InConcurrentMark(); | |
| 80 public native boolean g1IsHumongous(Object o); | |
| 81 public native long g1NumFreeRegions(); | |
| 82 public native int g1RegionSize(); | |
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83 public native Object[] parseCommandLine(String commandline, DiagnosticCommand[] args); |
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84 |
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85 // NMT |
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86 public native long NMTMalloc(long size); |
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87 public native void NMTFree(long mem); |
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88 public native long NMTReserveMemory(long size); |
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89 public native void NMTCommitMemory(long addr, long size); |
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90 public native void NMTUncommitMemory(long addr, long size); |
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91 public native void NMTReleaseMemory(long addr, long size); |
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92 public native boolean NMTWaitForDataMerge(); |
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93 |
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94 // Compiler |
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95 public native void deoptimizeAll(); |
| 12073 | 96 public boolean isMethodCompiled(Executable method) { |
| 97 return isMethodCompiled(method, false /*not osr*/); | |
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98 } |
| 12073 | 99 public native boolean isMethodCompiled(Executable method, boolean isOsr); |
| 100 public boolean isMethodCompilable(Executable method) { | |
| 101 return isMethodCompilable(method, -1 /*any*/); | |
| 102 } | |
| 103 public boolean isMethodCompilable(Executable method, int compLevel) { | |
| 104 return isMethodCompilable(method, compLevel, false /*not osr*/); | |
| 105 } | |
| 106 public native boolean isMethodCompilable(Executable method, int compLevel, boolean isOsr); | |
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107 public native boolean isMethodQueuedForCompilation(Executable method); |
| 12073 | 108 public int deoptimizeMethod(Executable method) { |
| 109 return deoptimizeMethod(method, false /*not osr*/); | |
| 110 } | |
| 111 public native int deoptimizeMethod(Executable method, boolean isOsr); | |
| 112 public void makeMethodNotCompilable(Executable method) { | |
| 113 makeMethodNotCompilable(method, -1 /*any*/); | |
| 114 } | |
| 115 public void makeMethodNotCompilable(Executable method, int compLevel) { | |
| 116 makeMethodNotCompilable(method, compLevel, false /*not osr*/); | |
| 117 } | |
| 118 public native void makeMethodNotCompilable(Executable method, int compLevel, boolean isOsr); | |
| 119 public int getMethodCompilationLevel(Executable method) { | |
| 120 return getMethodCompilationLevel(method, false /*not ost*/); | |
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121 } |
| 12073 | 122 public native int getMethodCompilationLevel(Executable method, boolean isOsr); |
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123 public native boolean testSetDontInlineMethod(Executable method, boolean value); |
| 12073 | 124 public int getCompileQueuesSize() { |
| 125 return getCompileQueueSize(-1 /*any*/); | |
| 126 } | |
| 127 public native int getCompileQueueSize(int compLevel); | |
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128 public native boolean testSetForceInlineMethod(Executable method, boolean value); |
| 12073 | 129 public boolean enqueueMethodForCompilation(Executable method, int compLevel) { |
| 130 return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/); | |
| 131 } | |
| 132 public native boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci); | |
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133 public native void clearMethodState(Executable method); |
| 12073 | 134 public native int getMethodEntryBci(Executable method); |
| 8850 | 135 |
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136 // Intered strings |
| 8850 | 137 public native boolean isInStringTable(String str); |
| 138 | |
| 10157 | 139 // Memory |
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140 public native void readReservedMemory(); |
| 10157 | 141 |
| 8850 | 142 // force Full GC |
| 143 public native void fullGC(); | |
| 5915 | 144 } |