annotate src/share/vm/prims/whitebox.cpp @ 17778:a48e16541e6b

8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions Reviewed-by: iveresov, kvn, iignatyev Contributed-by: filipp.zhinkin@oracle.com
author iignatyev
date Sat, 22 Mar 2014 00:26:48 +0400
parents 56cd09c4a5c9
children 4abb719c5620
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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/arguments.hpp"
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37 #include "runtime/interfaceSupport.hpp"
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38 #include "runtime/os.hpp"
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39 #include "utilities/debug.hpp"
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40 #include "utilities/macros.hpp"
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41 #include "utilities/exceptions.hpp"
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42
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43 #if INCLUDE_ALL_GCS
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44 #include "gc_implementation/g1/concurrentMark.hpp"
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45 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
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46 #include "gc_implementation/g1/heapRegionRemSet.hpp"
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47 #endif // INCLUDE_ALL_GCS
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48
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49 #ifdef INCLUDE_NMT
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50 #include "services/memTracker.hpp"
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51 #endif // INCLUDE_NMT
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52
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53 #include "compiler/compileBroker.hpp"
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54 #include "runtime/compilationPolicy.hpp"
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55
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56 #define SIZE_T_MAX_VALUE ((size_t) -1)
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57
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58 bool WhiteBox::_used = false;
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59
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60 WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))
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61 return (jlong)(void*)JNIHandles::resolve(obj);
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62 WB_END
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63
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64 WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o))
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65 return heapOopSize;
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66 WB_END
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67
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68
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69 class WBIsKlassAliveClosure : public KlassClosure {
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70 Symbol* _name;
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71 bool _found;
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72 public:
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73 WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {}
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74
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75 void do_klass(Klass* k) {
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76 if (_found) return;
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77 Symbol* ksym = k->name();
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78 if (ksym->fast_compare(_name) == 0) {
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79 _found = true;
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80 }
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81 }
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82
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83 bool found() const {
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84 return _found;
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85 }
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86 };
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87
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88 WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name))
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89 Handle h_name = JNIHandles::resolve(name);
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90 if (h_name.is_null()) return false;
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91 Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false);
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92 TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return
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93
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94 WBIsKlassAliveClosure closure(sym);
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95 ClassLoaderDataGraph::classes_do(&closure);
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96
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97 return closure.found();
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98 WB_END
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99
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100 WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) {
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101 return (jlong)Arguments::max_heap_for_compressed_oops();
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102 }
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103 WB_END
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104
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105 WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) {
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106 CollectorPolicy * p = Universe::heap()->collector_policy();
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107 gclog_or_tty->print_cr("Minimum heap "SIZE_FORMAT" Initial heap "
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108 SIZE_FORMAT" Maximum heap "SIZE_FORMAT" Min alignment "SIZE_FORMAT" Max alignment "SIZE_FORMAT,
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109 p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(),
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110 p->space_alignment(), p->heap_alignment());
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111 }
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112 WB_END
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113
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114 #ifndef PRODUCT
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115 // Forward declaration
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116 void TestReservedSpace_test();
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117 void TestReserveMemorySpecial_test();
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118 void TestVirtualSpace_test();
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119 void TestMetaspaceAux_test();
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120 #endif
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121
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122 WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o))
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123 #ifndef PRODUCT
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124 TestReservedSpace_test();
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125 TestReserveMemorySpecial_test();
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126 TestVirtualSpace_test();
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127 TestMetaspaceAux_test();
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128 #endif
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129 WB_END
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130
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131 WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o))
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132 size_t granularity = os::vm_allocation_granularity();
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133 ReservedHeapSpace rhs(100 * granularity, granularity, false, NULL);
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134 VirtualSpace vs;
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135 vs.initialize(rhs, 50 * granularity);
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136
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137 //Check if constraints are complied
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138 if (!( UseCompressedOops && rhs.base() != NULL &&
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139 Universe::narrow_oop_base() != NULL &&
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140 Universe::narrow_oop_use_implicit_null_checks() )) {
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141 tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n "
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142 "\tUseCompressedOops is %d\n"
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143 "\trhs.base() is "PTR_FORMAT"\n"
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144 "\tUniverse::narrow_oop_base() is "PTR_FORMAT"\n"
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145 "\tUniverse::narrow_oop_use_implicit_null_checks() is %d",
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146 UseCompressedOops,
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147 rhs.base(),
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148 Universe::narrow_oop_base(),
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149 Universe::narrow_oop_use_implicit_null_checks());
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150 return;
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151 }
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152 tty->print_cr("Reading from no access area... ");
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153 tty->print_cr("*(vs.low_boundary() - rhs.noaccess_prefix() / 2 ) = %c",
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154 *(vs.low_boundary() - rhs.noaccess_prefix() / 2 ));
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155 WB_END
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156
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157 static jint wb_stress_virtual_space_resize(size_t reserved_space_size,
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158 size_t magnitude, size_t iterations) {
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159 size_t granularity = os::vm_allocation_granularity();
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160 ReservedHeapSpace rhs(reserved_space_size * granularity, granularity, false, NULL);
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161 VirtualSpace vs;
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162 if (!vs.initialize(rhs, 0)) {
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163 tty->print_cr("Failed to initialize VirtualSpace. Can't proceed.");
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164 return 3;
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165 }
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166
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167 long seed = os::random();
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168 tty->print_cr("Random seed is %ld", seed);
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169 os::init_random(seed);
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170
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171 for (size_t i = 0; i < iterations; i++) {
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172
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173 // Whether we will shrink or grow
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174 bool shrink = os::random() % 2L == 0;
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175
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176 // Get random delta to resize virtual space
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177 size_t delta = (size_t)os::random() % magnitude;
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178
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179 // If we are about to shrink virtual space below zero, then expand instead
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180 if (shrink && vs.committed_size() < delta) {
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181 shrink = false;
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182 }
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183
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184 // Resizing by delta
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185 if (shrink) {
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186 vs.shrink_by(delta);
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187 } else {
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188 // If expanding fails expand_by will silently return false
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189 vs.expand_by(delta, true);
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190 }
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191 }
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192 return 0;
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193 }
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194
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195 WB_ENTRY(jint, WB_StressVirtualSpaceResize(JNIEnv* env, jobject o,
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196 jlong reserved_space_size, jlong magnitude, jlong iterations))
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197 tty->print_cr("reservedSpaceSize="JLONG_FORMAT", magnitude="JLONG_FORMAT", "
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198 "iterations="JLONG_FORMAT"\n", reserved_space_size, magnitude,
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199 iterations);
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200 if (reserved_space_size < 0 || magnitude < 0 || iterations < 0) {
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201 tty->print_cr("One of variables printed above is negative. Can't proceed.\n");
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202 return 1;
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203 }
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204
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205 // sizeof(size_t) depends on whether OS is 32bit or 64bit. sizeof(jlong) is
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206 // always 8 byte. That's why we should avoid overflow in case of 32bit platform.
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207 if (sizeof(size_t) < sizeof(jlong)) {
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208 jlong size_t_max_value = (jlong) SIZE_T_MAX_VALUE;
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209 if (reserved_space_size > size_t_max_value || magnitude > size_t_max_value
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210 || iterations > size_t_max_value) {
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211 tty->print_cr("One of variables printed above overflows size_t. Can't proceed.\n");
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212 return 2;
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213 }
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214 }
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215
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216 return wb_stress_virtual_space_resize((size_t) reserved_space_size,
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217 (size_t) magnitude, (size_t) iterations);
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218 WB_END
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219
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220 #if INCLUDE_ALL_GCS
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221 WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
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222 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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223 oop result = JNIHandles::resolve(obj);
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224 const HeapRegion* hr = g1->heap_region_containing(result);
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225 return hr->isHumongous();
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226 WB_END
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227
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228 WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))
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229 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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230 size_t nr = g1->free_regions();
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231 return (jlong)nr;
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232 WB_END
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diff changeset
233
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234 WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o))
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235 G1CollectedHeap* g1 = G1CollectedHeap::heap();
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236 ConcurrentMark* cm = g1->concurrent_mark();
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237 return cm->concurrent_marking_in_progress();
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238 WB_END
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239
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240 WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
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241 return (jint)HeapRegion::GrainBytes;
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242 WB_END
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243 #endif // INCLUDE_ALL_GCS
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244
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245 #if INCLUDE_NMT
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246 // Alloc memory using the test memory type so that we can use that to see if
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247 // NMT picks it up correctly
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248 WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size))
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249 jlong addr = 0;
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250
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251 if (MemTracker::is_on() && !MemTracker::shutdown_in_progress()) {
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252 addr = (jlong)(uintptr_t)os::malloc(size, mtTest);
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253 }
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254
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255 return addr;
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256 WB_END
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257
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258 // Free the memory allocated by NMTAllocTest
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259 WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem))
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260 os::free((void*)(uintptr_t)mem, mtTest);
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261 WB_END
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262
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263 WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size))
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264 jlong addr = 0;
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265
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266 if (MemTracker::is_on() && !MemTracker::shutdown_in_progress()) {
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267 addr = (jlong)(uintptr_t)os::reserve_memory(size);
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268 MemTracker::record_virtual_memory_type((address)addr, mtTest);
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269 }
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270
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271 return addr;
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272 WB_END
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273
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274
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275 WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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276 os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem);
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277 MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest);
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278 WB_END
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279
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280 WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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281 os::uncommit_memory((char *)(uintptr_t)addr, size);
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282 WB_END
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283
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284 WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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285 os::release_memory((char *)(uintptr_t)addr, size);
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286 WB_END
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287
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288 // Block until the current generation of NMT data to be merged, used to reliably test the NMT feature
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289 WB_ENTRY(jboolean, WB_NMTWaitForDataMerge(JNIEnv* env))
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290
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291 if (!MemTracker::is_on() || MemTracker::shutdown_in_progress()) {
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292 return false;
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293 }
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294
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295 return MemTracker::wbtest_wait_for_data_merge();
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296 WB_END
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297
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298 WB_ENTRY(jboolean, WB_NMTIsDetailSupported(JNIEnv* env))
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299 return MemTracker::tracking_level() == MemTracker::NMT_detail;
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300 WB_END
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301
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302 #endif // INCLUDE_NMT
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303
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diff changeset
304 static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) {
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305 assert(method != NULL, "method should not be null");
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306 ThreadToNativeFromVM ttn(thread);
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307 return env->FromReflectedMethod(method);
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diff changeset
308 }
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309
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310 WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o))
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311 MutexLockerEx mu(Compile_lock);
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312 CodeCache::mark_all_nmethods_for_deoptimization();
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313 VM_Deoptimize op;
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diff changeset
314 VMThread::execute(&op);
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315 WB_END
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316
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317 WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
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318 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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319 int result = 0;
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320 CHECK_JNI_EXCEPTION_(env, result);
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321 MutexLockerEx mu(Compile_lock);
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322 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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323 nmethod* code;
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324 if (is_osr) {
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diff changeset
325 int bci = InvocationEntryBci;
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diff changeset
326 while ((code = mh->lookup_osr_nmethod_for(bci, CompLevel_none, false)) != NULL) {
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327 code->mark_for_deoptimization();
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328 ++result;
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329 bci = code->osr_entry_bci() + 1;
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330 }
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331 } else {
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332 code = mh->code();
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333 }
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334 if (code != NULL) {
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335 code->mark_for_deoptimization();
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336 ++result;
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337 }
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338 result += CodeCache::mark_for_deoptimization(mh());
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339 if (result > 0) {
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340 VM_Deoptimize op;
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341 VMThread::execute(&op);
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342 }
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343 return result;
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344 WB_END
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345
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346 WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
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347 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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348 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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349 MutexLockerEx mu(Compile_lock);
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350 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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351 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
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352 if (code == NULL) {
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353 return JNI_FALSE;
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354 }
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355 return (code->is_alive() && !code->is_marked_for_deoptimization());
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356 WB_END
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diff changeset
357
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358 WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr))
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359 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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360 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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361 MutexLockerEx mu(Compile_lock);
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diff changeset
362 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
363 if (is_osr) {
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diff changeset
364 return CompilationPolicy::can_be_osr_compiled(mh, comp_level);
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diff changeset
365 } else {
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366 return CompilationPolicy::can_be_compiled(mh, comp_level);
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diff changeset
367 }
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368 WB_END
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diff changeset
369
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370 WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method))
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371 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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372 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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373 MutexLockerEx mu(Compile_lock);
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diff changeset
374 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
375 return mh->queued_for_compilation();
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diff changeset
376 WB_END
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diff changeset
377
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diff changeset
378 WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
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379 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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380 CHECK_JNI_EXCEPTION_(env, CompLevel_none);
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diff changeset
381 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
382 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
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diff changeset
383 return (code != NULL ? code->comp_level() : CompLevel_none);
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diff changeset
384 WB_END
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diff changeset
385
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diff changeset
386 WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr))
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387 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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388 CHECK_JNI_EXCEPTION(env);
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389 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
390 if (is_osr) {
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diff changeset
391 mh->set_not_osr_compilable(comp_level, true /* report */, "WhiteBox");
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diff changeset
392 } else {
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diff changeset
393 mh->set_not_compilable(comp_level, true /* report */, "WhiteBox");
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diff changeset
394 }
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diff changeset
395 WB_END
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diff changeset
396
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diff changeset
397 WB_ENTRY(jint, WB_GetMethodEntryBci(JNIEnv* env, jobject o, jobject method))
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diff changeset
398 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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diff changeset
399 CHECK_JNI_EXCEPTION_(env, InvocationEntryBci);
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diff changeset
400 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
401 nmethod* code = mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false);
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diff changeset
402 return (code != NULL && code->is_osr_method() ? code->osr_entry_bci() : InvocationEntryBci);
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diff changeset
403 WB_END
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diff changeset
404
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diff changeset
405 WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
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diff changeset
406 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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407 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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diff changeset
408 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
409 bool result = mh->dont_inline();
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diff changeset
410 mh->set_dont_inline(value == JNI_TRUE);
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diff changeset
411 return result;
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diff changeset
412 WB_END
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diff changeset
413
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diff changeset
414 WB_ENTRY(jint, WB_GetCompileQueueSize(JNIEnv* env, jobject o, jint comp_level))
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diff changeset
415 if (comp_level == CompLevel_any) {
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diff changeset
416 return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ +
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diff changeset
417 CompileBroker::queue_size(CompLevel_full_profile) /* C1 */;
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diff changeset
418 } else {
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diff changeset
419 return CompileBroker::queue_size(comp_level);
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diff changeset
420 }
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diff changeset
421 WB_END
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diff changeset
422
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423 WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
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diff changeset
424 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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diff changeset
425 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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diff changeset
426 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
427 bool result = mh->force_inline();
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diff changeset
428 mh->set_force_inline(value == JNI_TRUE);
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diff changeset
429 return result;
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diff changeset
430 WB_END
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diff changeset
431
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432 WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level, jint bci))
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433 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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434 CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
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diff changeset
435 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
436 nmethod* nm = CompileBroker::compile_method(mh, bci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD);
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diff changeset
437 MutexLockerEx mu(Compile_lock);
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diff changeset
438 return (mh->queued_for_compilation() || nm != NULL);
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diff changeset
439 WB_END
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diff changeset
440
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diff changeset
441 WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method))
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diff changeset
442 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
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443 CHECK_JNI_EXCEPTION(env);
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diff changeset
444 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
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diff changeset
445 MutexLockerEx mu(Compile_lock);
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diff changeset
446 MethodData* mdo = mh->method_data();
10107
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parents: 9085
diff changeset
447 MethodCounters* mcs = mh->method_counters();
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diff changeset
448
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diff changeset
449 if (mdo != NULL) {
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diff changeset
450 mdo->init();
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diff changeset
451 ResourceMark rm;
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parents: 8850
diff changeset
452 int arg_count = mdo->method()->size_of_parameters();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
453 for (int i = 0; i < arg_count; i++) {
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
454 mdo->set_arg_modified(i, 0);
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
455 }
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
456 }
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
457
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
458 mh->clear_not_c1_compilable();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
459 mh->clear_not_c2_compilable();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
460 mh->clear_not_c2_osr_compilable();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
461 NOT_PRODUCT(mh->set_compiled_invocation_count(0));
10107
jiangli
parents: 9085
diff changeset
462 if (mcs != NULL) {
jiangli
parents: 9085
diff changeset
463 mcs->backedge_counter()->init();
jiangli
parents: 9085
diff changeset
464 mcs->invocation_counter()->init();
jiangli
parents: 9085
diff changeset
465 mcs->set_interpreter_invocation_count(0);
jiangli
parents: 9085
diff changeset
466 mcs->set_interpreter_throwout_count(0);
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
467
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
468 #ifdef TIERED
10107
jiangli
parents: 9085
diff changeset
469 mcs->set_rate(0.0F);
jiangli
parents: 9085
diff changeset
470 mh->set_prev_event_count(0, THREAD);
jiangli
parents: 9085
diff changeset
471 mh->set_prev_time(0, THREAD);
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
472 #endif
10107
jiangli
parents: 9085
diff changeset
473 }
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
474 WB_END
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8850
diff changeset
475
8850
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
476 WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString))
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
477 ResourceMark rm(THREAD);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
478 int len;
10155
f258c5828eb8 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 10116
diff changeset
479 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
parents: 10116
diff changeset
480 return (StringTable::lookup(name, len) != NULL);
8850
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
481 WB_END
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
482
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
483 WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o))
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
484 Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
485 Universe::heap()->collect(GCCause::_last_ditch_collection);
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
486 WB_END
ede380e13960 8009763: Add WB test for String.intern()
mgerdin
parents: 8051
diff changeset
487
10157
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
488
10341
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
489 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
490 // 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
491 // (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
492 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
493 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
494
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
495 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
496 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
497 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
498 }
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
499
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
500 c = *p;
10157
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
501 WB_END
f32b6c267d2e 8012015: Use PROT_NONE when reserving memory
mikael
parents: 10155
diff changeset
502
17778
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
503 WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o))
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
504 const char* cpu_features = VM_Version::cpu_features();
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
505 ThreadToNativeFromVM ttn(thread);
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
506 jstring features_string = env->NewStringUTF(cpu_features);
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
507
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
508 CHECK_JNI_EXCEPTION_(env, NULL);
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
509
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
510 return features_string;
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
511 WB_END
a48e16541e6b 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 17704
diff changeset
512
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
513 //Some convenience methods to deal with objects from java
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
514 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
515 Symbol* signature_symbol) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
516 assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
517 Thread* THREAD = Thread::current();
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
518
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
519 //Get the class of our object
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
520 Klass* arg_klass = object->klass();
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
521 //Turn it into an instance-klass
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
522 InstanceKlass* ik = InstanceKlass::cast(arg_klass);
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
523
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
524 //Create symbols to look for in the class
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
525 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
526 THREAD);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
527
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
528 //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
529 fieldDescriptor fd;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
530
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6202
diff changeset
531 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
532 if (res == NULL) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
533 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
534 name_symbol->as_C_string());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
535 fatal("Invalid layout of preloaded class");
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
536 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
537
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
538 //fetch the field at the offset we've found
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
539 int dest_offset = fd.offset();
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
540
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
541 return dest_offset;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
542 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
543
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
544
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
545 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
546 int offset = offset_for_field(field_name, object,
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
547 vmSymbols::string_signature());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
548 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
549 if (string == NULL) {
5a1f452f8f90 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 5978
diff changeset
550 return NULL;
5a1f452f8f90 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 5978
diff changeset
551 }
5978
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
552 const char* ret = java_lang_String::as_utf8_string(string);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
553 return ret;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
554 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
555
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
556 bool WhiteBox::lookup_bool(const char* field_name, oop object) {
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
557 int offset =
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
558 offset_for_field(field_name, object, vmSymbols::bool_signature());
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
559 bool ret = (object->bool_field(offset) == JNI_TRUE);
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
560 return ret;
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
561 }
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
562
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
563
5915
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
564 #define CC (char*)
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
565
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
566 static JNINativeMethod methods[] = {
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
567 {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
568 {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize },
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
569 {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
570 {CC"parseCommandLine",
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
571 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
572 (void*) &WB_ParseCommandLine
51612f0c0a79 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 5915
diff changeset
573 },
12233
40136aa2cdb1 8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents: 12118
diff changeset
574 {CC"getCompressedOopsMaxHeapSize", CC"()J",
40136aa2cdb1 8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents: 12118
diff changeset
575 (void*)&WB_GetCompressedOopsMaxHeapSize},
10241
d17700c82d7d 8006088: Incompatible heap size flags accepted by VM
tschatzl
parents: 10208
diff changeset
576 {CC"printHeapSizes", CC"()V", (void*)&WB_PrintHeapSizes },
13053
9d8b29a0548c 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 12233
diff changeset
577 {CC"runMemoryUnitTests", CC"()V", (void*)&WB_RunMemoryUnitTests},
9d8b29a0548c 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 12233
diff changeset
578 {CC"readFromNoaccessArea",CC"()V", (void*)&WB_ReadFromNoaccessArea},
9d8b29a0548c 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 12233
diff changeset
579 {CC"stressVirtualSpaceResize",CC"(JJJ)I", (void*)&WB_StressVirtualSpaceResize},
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6725
diff changeset
580 #if INCLUDE_ALL_GCS
5915
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
581 {CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark},
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
582 {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
583 {CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions },
2d503de963b3 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
584 {CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize },
8001
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 6725
diff changeset
585 #endif // INCLUDE_ALL_GCS
12118
5fd8e2fbafd4 8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents: 12073
diff changeset
586 #if INCLUDE_NMT
9056
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
587 {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
588 {CC"NMTFree", CC"(J)V", (void*)&WB_NMTFree },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
589 {CC"NMTReserveMemory", CC"(J)J", (void*)&WB_NMTReserveMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
590 {CC"NMTCommitMemory", CC"(JJ)V", (void*)&WB_NMTCommitMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
591 {CC"NMTUncommitMemory", CC"(JJ)V", (void*)&WB_NMTUncommitMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
592 {CC"NMTReleaseMemory", CC"(JJ)V", (void*)&WB_NMTReleaseMemory },
3b890cd4da64 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 8850
diff changeset
593 {CC"NMTWaitForDataMerge", CC"()Z", (void*)&WB_NMTWaitForDataMerge},
12118
5fd8e2fbafd4 8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents: 12073
diff changeset
594 {CC"NMTIsDetailSupported",CC"()Z", (void*)&WB_NMTIsDetailSupported},
7971
4102b59539ce 8005012: Add WB APIs to better support NMT testing
ctornqvi
parents: 6725
diff changeset
595 #endif // INCLUDE_NMT
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
596 {CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll },
12073
f99558245e5c 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 10969
diff changeset
597 {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;Z)I",
8051
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 8003
diff changeset
598 (void*)&WB_DeoptimizeMethod },
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599 {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;Z)Z",
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600 (void*)&WB_IsMethodCompiled },
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601 {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z",
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602 (void*)&WB_IsMethodCompilable},
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603 {CC"isMethodQueuedForCompilation",
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604 CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation},
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605 {CC"makeMethodNotCompilable",
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606 CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable},
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607 {CC"testSetDontInlineMethod",
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608 CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetDontInlineMethod},
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609 {CC"getMethodCompilationLevel",
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610 CC"(Ljava/lang/reflect/Executable;Z)I", (void*)&WB_GetMethodCompilationLevel},
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611 {CC"getMethodEntryBci",
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612 CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodEntryBci},
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613 {CC"getCompileQueueSize",
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614 CC"(I)I", (void*)&WB_GetCompileQueueSize},
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615 {CC"testSetForceInlineMethod",
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616 CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod},
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617 {CC"enqueueMethodForCompilation",
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618 CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation},
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619 {CC"clearMethodState",
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620 CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState},
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mgerdin
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621 {CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable },
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mgerdin
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622 {CC"fullGC", CC"()V", (void*)&WB_FullGC },
10341
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mikael
parents: 10241
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623 {CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory },
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iignatyev
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624 {CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures },
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625 };
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626
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627 #undef CC
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628
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629 JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))
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630 {
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631 if (WhiteBoxAPI) {
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632 // Make sure that wbclass is loaded by the null classloader
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633 instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass());
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634 Handle loader(ikh->class_loader());
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635 if (loader.is_null()) {
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iignatyev
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636 ResourceMark rm;
5915
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637 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
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638 bool result = true;
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639 // one by one registration natives for exception catching
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iignatyev
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640 jclass exceptionKlass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string());
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ccheung
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641 CHECK_JNI_EXCEPTION(env);
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iignatyev
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642 for (int i = 0, n = sizeof(methods) / sizeof(methods[0]); i < n; ++i) {
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iignatyev
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643 if (env->RegisterNatives(wbclass, methods + i, 1) != 0) {
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644 result = false;
17704
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ccheung
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diff changeset
645 jthrowable throwable_obj = env->ExceptionOccurred();
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ccheung
parents: 13070
diff changeset
646 if (throwable_obj != NULL) {
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iignatyev
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diff changeset
647 env->ExceptionClear();
17704
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ccheung
parents: 13070
diff changeset
648 if (env->IsInstanceOf(throwable_obj, exceptionKlass)) {
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ccheung
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649 // j.l.NoSuchMethodError is thrown when a method can't be found or a method is not native
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ccheung
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diff changeset
650 // ignoring the exception
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ccheung
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diff changeset
651 tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", methods[i].name, methods[i].signature);
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diff changeset
652 }
10196
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diff changeset
653 } else {
dc7db03f5aa2 8012337: Change Whitebox implementation to make absence of method in Whitebox.class not fatal
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diff changeset
654 // register is failed w/o exception or w/ unexpected exception
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iignatyev
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diff changeset
655 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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656 env->UnregisterNatives(wbclass);
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iignatyev
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657 break;
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iignatyev
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658 }
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diff changeset
659 }
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diff changeset
660 }
dc7db03f5aa2 8012337: Change Whitebox implementation to make absence of method in Whitebox.class not fatal
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diff changeset
661
dc7db03f5aa2 8012337: Change Whitebox implementation to make absence of method in Whitebox.class not fatal
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diff changeset
662 if (result) {
5915
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663 WhiteBox::set_used();
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664 }
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diff changeset
665 }
2d503de963b3 7148152: Add whitebox testing API to HotSpot
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666 }
2d503de963b3 7148152: Add whitebox testing API to HotSpot
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parents:
diff changeset
667 }
2d503de963b3 7148152: Add whitebox testing API to HotSpot
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668 JVM_END