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annotate src/share/vm/prims/whitebox.cpp @ 10969:a837fa3d3f86

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8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint Summary: Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking. Reviewed-by: zgu, stefank, dholmes, dsamersoff
author dcubed
date Thu, 13 Jun 2013 11:16:38 -0700
parents f54c85acc043
children f99558245e5c
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1 /*
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26
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27 #include "memory/universe.hpp"
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28 #include "oops/oop.inline.hpp"
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29
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30 #include "classfile/symbolTable.hpp"
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31 #include "classfile/classLoaderData.hpp"
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32
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33 #include "prims/whitebox.hpp"
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34 #include "prims/wbtestmethods/parserTests.hpp"
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35
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36 #include "runtime/interfaceSupport.hpp"
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37 #include "runtime/os.hpp"
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38 #include "utilities/debug.hpp"
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39 #include "utilities/macros.hpp"
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40 #include "utilities/exceptions.hpp"
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41
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42 #if INCLUDE_ALL_GCS
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43 #include "gc_implementation/g1/concurrentMark.hpp"
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44 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
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45 #include "gc_implementation/g1/heapRegionRemSet.hpp"
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46 #endif // INCLUDE_ALL_GCS
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47
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48 #ifdef INCLUDE_NMT
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49 #include "services/memTracker.hpp"
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50 #endif // INCLUDE_NMT
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51
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52 #include "compiler/compileBroker.hpp"
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53 #include "runtime/compilationPolicy.hpp"
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54
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55 bool WhiteBox::_used = false;
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56
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57 WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))
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58 return (jlong)(void*)JNIHandles::resolve(obj);
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59 WB_END
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60
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61 WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o))
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62 return heapOopSize;
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63 WB_END
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64
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65
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66 class WBIsKlassAliveClosure : public KlassClosure {
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67 Symbol* _name;
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68 bool _found;
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69 public:
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70 WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {}
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71
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72 void do_klass(Klass* k) {
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73 if (_found) return;
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74 Symbol* ksym = k->name();
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75 if (ksym->fast_compare(_name) == 0) {
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76 _found = true;
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77 }
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78 }
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79
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80 bool found() const {
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81 return _found;
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82 }
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83 };
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84
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85 WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name))
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86 Handle h_name = JNIHandles::resolve(name);
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87 if (h_name.is_null()) return false;
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88 Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false);
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89 TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return
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90
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91 WBIsKlassAliveClosure closure(sym);
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92 ClassLoaderDataGraph::classes_do(&closure);
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93
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94 return closure.found();
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95 WB_END
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96
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97 WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) {
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98 CollectorPolicy * p = Universe::heap()->collector_policy();
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99 gclog_or_tty->print_cr("Minimum heap "SIZE_FORMAT" Initial heap "
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100 SIZE_FORMAT" Maximum heap "SIZE_FORMAT" Min alignment "SIZE_FORMAT" Max alignment "SIZE_FORMAT,
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101 p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(),
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102 p->min_alignment(), p->max_alignment());
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103 }
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104 WB_END
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105
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106 #if INCLUDE_ALL_GCS
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107 WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
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108 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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109 oop result = JNIHandles::resolve(obj);
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110 const HeapRegion* hr = g1->heap_region_containing(result);
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111 return hr->isHumongous();
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112 WB_END
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113
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114 WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))
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115 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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116 size_t nr = g1->free_regions();
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117 return (jlong)nr;
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118 WB_END
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119
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120 WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o))
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121 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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122 ConcurrentMark* cm = g1->concurrent_mark();
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123 return cm->concurrent_marking_in_progress();
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124 WB_END
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125
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126 WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
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127 return (jint)HeapRegion::GrainBytes;
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128 WB_END
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129 #endif // INCLUDE_ALL_GCS
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130
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131 #ifdef INCLUDE_NMT
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132 // Alloc memory using the test memory type so that we can use that to see if
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133 // NMT picks it up correctly
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134 WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size))
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135 jlong addr = 0;
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136
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137 if (MemTracker::is_on() && !MemTracker::shutdown_in_progress()) {
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138 addr = (jlong)(uintptr_t)os::malloc(size, mtTest);
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139 }
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140
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141 return addr;
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142 WB_END
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143
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144 // Free the memory allocated by NMTAllocTest
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145 WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem))
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146 os::free((void*)(uintptr_t)mem, mtTest);
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147 WB_END
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148
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149 WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size))
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150 jlong addr = 0;
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151
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152 if (MemTracker::is_on() && !MemTracker::shutdown_in_progress()) {
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153 addr = (jlong)(uintptr_t)os::reserve_memory(size);
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154 MemTracker::record_virtual_memory_type((address)addr, mtTest);
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155 }
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156
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157 return addr;
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158 WB_END
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159
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160
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161 WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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162 os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem);
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163 MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest);
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164 WB_END
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165
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166 WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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167 os::uncommit_memory((char *)(uintptr_t)addr, size);
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168 WB_END
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169
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170 WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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171 os::release_memory((char *)(uintptr_t)addr, size);
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172 WB_END
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173
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174 // Block until the current generation of NMT data to be merged, used to reliably test the NMT feature
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175 WB_ENTRY(jboolean, WB_NMTWaitForDataMerge(JNIEnv* env))
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176
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177 if (!MemTracker::is_on() || MemTracker::shutdown_in_progress()) {
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178 return false;
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179 }
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180
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181 return MemTracker::wbtest_wait_for_data_merge();
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182 WB_END
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183
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184 #endif // INCLUDE_NMT
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185
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186 static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) {
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187 assert(method != NULL, "method should not be null");
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188 ThreadToNativeFromVM ttn(thread);
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189 return env->FromReflectedMethod(method);
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190 }
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191
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192 WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o))
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193 MutexLockerEx mu(Compile_lock);
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194 CodeCache::mark_all_nmethods_for_deoptimization();
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195 VM_Deoptimize op;
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196 VMThread::execute(&op);
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197 WB_END
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198
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199 WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method))
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200 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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201 MutexLockerEx mu(Compile_lock);
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202 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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203 int result = 0;
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204 nmethod* code = mh->code();
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205 if (code != NULL) {
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206 code->mark_for_deoptimization();
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207 ++result;
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208 }
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209 result += CodeCache::mark_for_deoptimization(mh());
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210 if (result > 0) {
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211 VM_Deoptimize op;
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212 VMThread::execute(&op);
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213 }
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214 return result;
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215 WB_END
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216
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217 WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method))
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218 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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219 MutexLockerEx mu(Compile_lock);
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220 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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221 nmethod* code = mh->code();
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222 if (code == NULL) {
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223 return JNI_FALSE;
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224 }
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225 return (code->is_alive() && !code->is_marked_for_deoptimization());
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226 WB_END
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227
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228 WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level))
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229 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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230 MutexLockerEx mu(Compile_lock);
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231 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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232 return CompilationPolicy::can_be_compiled(mh, comp_level);
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233 WB_END
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234
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235 WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method))
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236 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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237 MutexLockerEx mu(Compile_lock);
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238 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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239 return mh->queued_for_compilation();
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240 WB_END
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241
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242 WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method))
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243 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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244 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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245 nmethod* code = mh->code();
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246 return (code != NULL ? code->comp_level() : CompLevel_none);
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247 WB_END
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248
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249
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250 WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level))
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251 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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252 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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253 mh->set_not_compilable(comp_level, true /* report */, "WhiteBox");
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254 WB_END
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255
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256 WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
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257 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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258 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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259 bool result = mh->dont_inline();
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260 mh->set_dont_inline(value == JNI_TRUE);
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261 return result;
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262 WB_END
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263
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264 WB_ENTRY(jint, WB_GetCompileQueuesSize(JNIEnv* env, jobject o))
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265 return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ +
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266 CompileBroker::queue_size(CompLevel_full_profile) /* C1 */;
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267 WB_END
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268
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269
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270 WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
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271 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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272 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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273 bool result = mh->force_inline();
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274 mh->set_force_inline(value == JNI_TRUE);
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275 return result;
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276 WB_END
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277
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278 WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level))
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279 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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280 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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281 nmethod* nm = CompileBroker::compile_method(mh, InvocationEntryBci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD);
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282 MutexLockerEx mu(Compile_lock);
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283 return (mh->queued_for_compilation() || nm != NULL);
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284 WB_END
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285
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286 WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method))
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287 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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288 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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289 MutexLockerEx mu(Compile_lock);
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290 MethodData* mdo = mh->method_data();
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291 MethodCounters* mcs = mh->method_counters();
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292
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293 if (mdo != NULL) {
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294 mdo->init();
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295 ResourceMark rm;
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296 int arg_count = mdo->method()->size_of_parameters();
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297 for (int i = 0; i < arg_count; i++) {
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298 mdo->set_arg_modified(i, 0);
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299 }
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300 }
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301
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302 mh->clear_not_c1_compilable();
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303 mh->clear_not_c2_compilable();
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304 mh->clear_not_c2_osr_compilable();
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305 NOT_PRODUCT(mh->set_compiled_invocation_count(0));
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306 if (mcs != NULL) {
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307 mcs->backedge_counter()->init();
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diff changeset
308 mcs->invocation_counter()->init();
jiangli
parents: 9085
diff changeset
309 mcs->set_interpreter_invocation_count(0);
jiangli
parents: 9085
diff changeset
310 mcs->set_interpreter_throwout_count(0);
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311
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diff changeset
312 #ifdef TIERED
10107
jiangli
parents: 9085
diff changeset
313 mcs->set_rate(0.0F);
jiangli
parents: 9085
diff changeset
314 mh->set_prev_event_count(0, THREAD);
jiangli
parents: 9085
diff changeset
315 mh->set_prev_time(0, THREAD);
9080
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316 #endif
10107
jiangli
parents: 9085
diff changeset
317 }
9080
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iignatyev
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318 WB_END
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iignatyev
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diff changeset
319
8850
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mgerdin
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diff changeset
320 WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString))
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
321 ResourceMark rm(THREAD);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
322 int len;
10155
f258c5828eb8 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 10116
diff changeset
323 jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false);
f258c5828eb8 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
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diff changeset
324 return (StringTable::lookup(name, len) != NULL);
8850
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
325 WB_END
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
326
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
327
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
328 WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o))
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
329 Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
330 Universe::heap()->collect(GCCause::_last_ditch_collection);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
331 WB_END
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
332
10157
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mikael
parents: 10155
diff changeset
333
10341
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mikael
parents: 10241
diff changeset
334 WB_ENTRY(void, WB_ReadReservedMemory(JNIEnv* env, jobject o))
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
335 // static+volatile in order to force the read to happen
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
336 // (not be eliminated by the compiler)
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
337 static char c;
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
338 static volatile char* p;
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
339
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
340 p = os::reserve_memory(os::vm_allocation_granularity(), NULL, 0);
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
341 if (p == NULL) {
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
342 THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), "Failed to reserve memory");
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
343 }
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
344
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
diff changeset
345 c = *p;
10157
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
346 WB_END
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
347
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
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diff changeset
348 //Some convenience methods to deal with objects from java
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
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diff changeset
349 int WhiteBox::offset_for_field(const char* field_name, oop object,
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
350 Symbol* signature_symbol) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
351 assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
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diff changeset
352 Thread* THREAD = Thread::current();
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
353
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
354 //Get the class of our object
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
355 Klass* arg_klass = object->klass();
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
356 //Turn it into an instance-klass
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
357 InstanceKlass* ik = InstanceKlass::cast(arg_klass);
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
358
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
359 //Create symbols to look for in the class
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
360 TempNewSymbol name_symbol = SymbolTable::lookup(field_name, (int) strlen(field_name),
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
361 THREAD);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
362
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
363 //To be filled in with an offset of the field we're looking for
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
364 fieldDescriptor fd;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
365
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
366 Klass* res = ik->find_field(name_symbol, signature_symbol, &fd);
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
367 if (res == NULL) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
368 tty->print_cr("Invalid layout of %s at %s", ik->external_name(),
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
369 name_symbol->as_C_string());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
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diff changeset
370 fatal("Invalid layout of preloaded class");
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
371 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
372
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
373 //fetch the field at the offset we've found
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
374 int dest_offset = fd.offset();
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
375
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
376 return dest_offset;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
377 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
378
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
379
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
380 const char* WhiteBox::lookup_jstring(const char* field_name, oop object) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
381 int offset = offset_for_field(field_name, object,
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
382 vmSymbols::string_signature());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
383 oop string = object->obj_field(offset);
6202
5a1f452f8f90 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 5978
diff changeset
384 if (string == NULL) {
5a1f452f8f90 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 5978
diff changeset
385 return NULL;
5a1f452f8f90 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 5978
diff changeset
386 }
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
387 const char* ret = java_lang_String::as_utf8_string(string);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
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diff changeset
388 return ret;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
389 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
390
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
391 bool WhiteBox::lookup_bool(const char* field_name, oop object) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
392 int offset =
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
393 offset_for_field(field_name, object, vmSymbols::bool_signature());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
394 bool ret = (object->bool_field(offset) == JNI_TRUE);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
395 return ret;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
396 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
397
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
398
5915
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
399 #define CC (char*)
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
400
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
401 static JNINativeMethod methods[] = {
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
402 {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
403 {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize },
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
404 {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
405 {CC"parseCommandLine",
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
406 CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
407 (void*) &WB_ParseCommandLine
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
408 },
10241
d17700c82d7d 8006088: Incompatible heap size flags accepted by VM
tschatzl
parents: 10208
diff changeset
409 {CC"printHeapSizes", CC"()V", (void*)&WB_PrintHeapSizes },
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6725
diff changeset
410 #if INCLUDE_ALL_GCS
5915
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
411 {CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark},
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
412 {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
413 {CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
414 {CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize },
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6725
diff changeset
415 #endif // INCLUDE_ALL_GCS
7971
4102b59539ce 8005012: Add WB APIs to better support NMT testing
ctornqvi
parents: 6725
diff changeset
416 #ifdef INCLUDE_NMT
9056
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
417 {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
418 {CC"NMTFree", CC"(J)V", (void*)&WB_NMTFree },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
419 {CC"NMTReserveMemory", CC"(J)J", (void*)&WB_NMTReserveMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
420 {CC"NMTCommitMemory", CC"(JJ)V", (void*)&WB_NMTCommitMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
421 {CC"NMTUncommitMemory", CC"(JJ)V", (void*)&WB_NMTUncommitMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
422 {CC"NMTReleaseMemory", CC"(JJ)V", (void*)&WB_NMTReleaseMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
423 {CC"NMTWaitForDataMerge", CC"()Z", (void*)&WB_NMTWaitForDataMerge},
7971
4102b59539ce 8005012: Add WB APIs to better support NMT testing
ctornqvi
parents: 6725
diff changeset
424 #endif // INCLUDE_NMT
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
425 {CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll },
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
426 {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;)I",
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
427 (void*)&WB_DeoptimizeMethod },
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
428 {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;)Z",
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
429 (void*)&WB_IsMethodCompiled },
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
430 {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;I)Z",
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
431 (void*)&WB_IsMethodCompilable},
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
432 {CC"isMethodQueuedForCompilation",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
433 CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation},
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
434 {CC"makeMethodNotCompilable",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
435 CC"(Ljava/lang/reflect/Executable;I)V", (void*)&WB_MakeMethodNotCompilable},
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
436 {CC"testSetDontInlineMethod",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
437 CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetDontInlineMethod},
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
438 {CC"getMethodCompilationLevel",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
439 CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodCompilationLevel},
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
440 {CC"getCompileQueuesSize",
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
441 CC"()I", (void*)&WB_GetCompileQueuesSize},
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
442 {CC"testSetForceInlineMethod",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
443 CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod},
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
444 {CC"enqueueMethodForCompilation",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
445 CC"(Ljava/lang/reflect/Executable;I)Z", (void*)&WB_EnqueueMethodForCompilation},
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
446 {CC"clearMethodState",
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9085
diff changeset
447 CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState},
8850
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
448 {CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable },
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
449 {CC"fullGC", CC"()V", (void*)&WB_FullGC },
10157
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
450
10341
f54c85acc043 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 10241
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451 {CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory },
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452 };
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453
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454 #undef CC
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455
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456 JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))
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457 {
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458 if (WhiteBoxAPI) {
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459 // Make sure that wbclass is loaded by the null classloader
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460 instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass());
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461 Handle loader(ikh->class_loader());
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462 if (loader.is_null()) {
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463 ResourceMark rm;
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464 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
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465 bool result = true;
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466 // one by one registration natives for exception catching
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467 jclass exceptionKlass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string());
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468 for (int i = 0, n = sizeof(methods) / sizeof(methods[0]); i < n; ++i) {
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469 if (env->RegisterNatives(wbclass, methods + i, 1) != 0) {
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470 result = false;
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471 if (env->ExceptionCheck() && env->IsInstanceOf(env->ExceptionOccurred(), exceptionKlass)) {
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472 // j.l.NoSuchMethodError is thrown when a method can't be found or a method is not native
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473 // ignoring the exception
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474 tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", methods[i].name, methods[i].signature);
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475 env->ExceptionClear();
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476 } else {
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477 // register is failed w/o exception or w/ unexpected exception
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478 tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered", methods[i].name, methods[i].signature);
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479 env->UnregisterNatives(wbclass);
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480 break;
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481 }
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482 }
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483 }
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484
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485 if (result) {
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486 WhiteBox::set_used();
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487 }
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488 }
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489 }
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490 }
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491 JVM_END