Mercurial > hg > truffle
annotate src/share/vm/prims/whitebox.cpp @ 20451:e2452c3ff7fb
8057752: WhiteBox extension support for testing
Summary: Refactored parts of whitebox.cpp to enable registration of whitebox methods defined outside this file.
Reviewed-by: mikael, ctornqvi, jmasa
author | sjohanss |
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date | Mon, 08 Sep 2014 15:24:10 +0200 |
parents | 833b0f92429a |
children | 7301840ea20e |
rev | line source |
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5915 | 1 /* |
17817 | 2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
5915 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #include "precompiled.hpp" | |
26 | |
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27 #include "memory/metadataFactory.hpp" |
5915 | 28 #include "memory/universe.hpp" |
29 #include "oops/oop.inline.hpp" | |
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30 |
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31 #include "classfile/symbolTable.hpp" |
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32 #include "classfile/classLoaderData.hpp" |
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33 |
5915 | 34 #include "prims/whitebox.hpp" |
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35 #include "prims/wbtestmethods/parserTests.hpp" |
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36 |
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37 #include "runtime/arguments.hpp" |
5915 | 38 #include "runtime/interfaceSupport.hpp" |
39 #include "runtime/os.hpp" | |
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40 #include "utilities/array.hpp" |
5915 | 41 #include "utilities/debug.hpp" |
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42 #include "utilities/macros.hpp" |
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43 #include "utilities/exceptions.hpp" |
5915 | 44 |
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45 #if INCLUDE_ALL_GCS |
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46 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" |
5915 | 47 #include "gc_implementation/g1/concurrentMark.hpp" |
48 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" | |
49 #include "gc_implementation/g1/heapRegionRemSet.hpp" | |
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50 #endif // INCLUDE_ALL_GCS |
5915 | 51 |
20360 | 52 #if INCLUDE_NMT |
53 #include "services/mallocSiteTable.hpp" | |
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54 #include "services/memTracker.hpp" |
20360 | 55 #include "utilities/nativeCallStack.hpp" |
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56 #endif // INCLUDE_NMT |
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57 |
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58 #include "compiler/compileBroker.hpp" |
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59 #include "runtime/compilationPolicy.hpp" |
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60 |
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61 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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62 |
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63 #define SIZE_T_MAX_VALUE ((size_t) -1) |
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64 |
5915 | 65 bool WhiteBox::_used = false; |
66 | |
67 WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj)) | |
68 return (jlong)(void*)JNIHandles::resolve(obj); | |
69 WB_END | |
70 | |
71 WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o)) | |
72 return heapOopSize; | |
73 WB_END | |
74 | |
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75 |
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76 class WBIsKlassAliveClosure : public KlassClosure { |
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77 Symbol* _name; |
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78 bool _found; |
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79 public: |
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80 WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {} |
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81 |
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82 void do_klass(Klass* k) { |
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83 if (_found) return; |
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84 Symbol* ksym = k->name(); |
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85 if (ksym->fast_compare(_name) == 0) { |
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86 _found = true; |
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87 } |
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88 } |
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89 |
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90 bool found() const { |
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91 return _found; |
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92 } |
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93 }; |
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94 |
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95 WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name)) |
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96 Handle h_name = JNIHandles::resolve(name); |
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97 if (h_name.is_null()) return false; |
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98 Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false); |
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99 TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return |
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100 |
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101 WBIsKlassAliveClosure closure(sym); |
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102 ClassLoaderDataGraph::classes_do(&closure); |
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103 |
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104 return closure.found(); |
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105 WB_END |
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106 |
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107 WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) { |
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108 return (jlong)Arguments::max_heap_for_compressed_oops(); |
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109 } |
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110 WB_END |
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111 |
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112 WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) { |
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113 CollectorPolicy * p = Universe::heap()->collector_policy(); |
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114 gclog_or_tty->print_cr("Minimum heap "SIZE_FORMAT" Initial heap " |
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115 SIZE_FORMAT" Maximum heap "SIZE_FORMAT" Min alignment "SIZE_FORMAT" Max alignment "SIZE_FORMAT, |
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116 p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(), |
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117 p->space_alignment(), p->heap_alignment()); |
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118 } |
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119 WB_END |
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120 |
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121 #ifndef PRODUCT |
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122 // Forward declaration |
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123 void TestReservedSpace_test(); |
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124 void TestReserveMemorySpecial_test(); |
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125 void TestVirtualSpace_test(); |
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126 void TestMetaspaceAux_test(); |
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127 #endif |
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128 |
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129 WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o)) |
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130 #ifndef PRODUCT |
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131 TestReservedSpace_test(); |
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132 TestReserveMemorySpecial_test(); |
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133 TestVirtualSpace_test(); |
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134 TestMetaspaceAux_test(); |
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135 #endif |
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136 WB_END |
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137 |
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138 WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o)) |
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139 size_t granularity = os::vm_allocation_granularity(); |
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140 ReservedHeapSpace rhs(100 * granularity, granularity, false, NULL); |
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141 VirtualSpace vs; |
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142 vs.initialize(rhs, 50 * granularity); |
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143 |
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144 //Check if constraints are complied |
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145 if (!( UseCompressedOops && rhs.base() != NULL && |
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146 Universe::narrow_oop_base() != NULL && |
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147 Universe::narrow_oop_use_implicit_null_checks() )) { |
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148 tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n " |
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149 "\tUseCompressedOops is %d\n" |
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150 "\trhs.base() is "PTR_FORMAT"\n" |
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151 "\tUniverse::narrow_oop_base() is "PTR_FORMAT"\n" |
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152 "\tUniverse::narrow_oop_use_implicit_null_checks() is %d", |
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153 UseCompressedOops, |
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154 rhs.base(), |
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155 Universe::narrow_oop_base(), |
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156 Universe::narrow_oop_use_implicit_null_checks()); |
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157 return; |
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158 } |
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159 tty->print_cr("Reading from no access area... "); |
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160 tty->print_cr("*(vs.low_boundary() - rhs.noaccess_prefix() / 2 ) = %c", |
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161 *(vs.low_boundary() - rhs.noaccess_prefix() / 2 )); |
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162 WB_END |
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163 |
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164 static jint wb_stress_virtual_space_resize(size_t reserved_space_size, |
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165 size_t magnitude, size_t iterations) { |
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166 size_t granularity = os::vm_allocation_granularity(); |
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167 ReservedHeapSpace rhs(reserved_space_size * granularity, granularity, false, NULL); |
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168 VirtualSpace vs; |
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169 if (!vs.initialize(rhs, 0)) { |
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170 tty->print_cr("Failed to initialize VirtualSpace. Can't proceed."); |
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171 return 3; |
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172 } |
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173 |
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174 long seed = os::random(); |
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175 tty->print_cr("Random seed is %ld", seed); |
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176 os::init_random(seed); |
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177 |
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178 for (size_t i = 0; i < iterations; i++) { |
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179 |
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180 // Whether we will shrink or grow |
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181 bool shrink = os::random() % 2L == 0; |
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182 |
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183 // Get random delta to resize virtual space |
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184 size_t delta = (size_t)os::random() % magnitude; |
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185 |
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186 // If we are about to shrink virtual space below zero, then expand instead |
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187 if (shrink && vs.committed_size() < delta) { |
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188 shrink = false; |
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189 } |
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190 |
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191 // Resizing by delta |
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192 if (shrink) { |
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193 vs.shrink_by(delta); |
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194 } else { |
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195 // If expanding fails expand_by will silently return false |
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196 vs.expand_by(delta, true); |
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197 } |
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198 } |
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199 return 0; |
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200 } |
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201 |
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202 WB_ENTRY(jint, WB_StressVirtualSpaceResize(JNIEnv* env, jobject o, |
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203 jlong reserved_space_size, jlong magnitude, jlong iterations)) |
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204 tty->print_cr("reservedSpaceSize="JLONG_FORMAT", magnitude="JLONG_FORMAT", " |
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205 "iterations="JLONG_FORMAT"\n", reserved_space_size, magnitude, |
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206 iterations); |
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207 if (reserved_space_size < 0 || magnitude < 0 || iterations < 0) { |
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208 tty->print_cr("One of variables printed above is negative. Can't proceed.\n"); |
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209 return 1; |
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210 } |
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211 |
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212 // sizeof(size_t) depends on whether OS is 32bit or 64bit. sizeof(jlong) is |
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213 // always 8 byte. That's why we should avoid overflow in case of 32bit platform. |
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214 if (sizeof(size_t) < sizeof(jlong)) { |
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215 jlong size_t_max_value = (jlong) SIZE_T_MAX_VALUE; |
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216 if (reserved_space_size > size_t_max_value || magnitude > size_t_max_value |
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217 || iterations > size_t_max_value) { |
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218 tty->print_cr("One of variables printed above overflows size_t. Can't proceed.\n"); |
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219 return 2; |
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220 } |
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221 } |
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222 |
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223 return wb_stress_virtual_space_resize((size_t) reserved_space_size, |
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224 (size_t) magnitude, (size_t) iterations); |
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225 WB_END |
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226 |
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227 WB_ENTRY(jboolean, WB_isObjectInOldGen(JNIEnv* env, jobject o, jobject obj)) |
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228 oop p = JNIHandles::resolve(obj); |
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229 #if INCLUDE_ALL_GCS |
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230 if (UseG1GC) { |
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231 G1CollectedHeap* g1 = G1CollectedHeap::heap(); |
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232 const HeapRegion* hr = g1->heap_region_containing(p); |
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233 if (hr == NULL) { |
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234 return false; |
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235 } |
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236 return !(hr->is_young()); |
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237 } else if (UseParallelGC) { |
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238 ParallelScavengeHeap* psh = ParallelScavengeHeap::heap(); |
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239 return !psh->is_in_young(p); |
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240 } |
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241 #endif // INCLUDE_ALL_GCS |
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242 GenCollectedHeap* gch = GenCollectedHeap::heap(); |
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243 return !gch->is_in_young(p); |
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244 WB_END |
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245 |
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246 WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj)) |
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247 oop p = JNIHandles::resolve(obj); |
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248 return p->size() * HeapWordSize; |
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249 WB_END |
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250 |
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251 #if INCLUDE_ALL_GCS |
5915 | 252 WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj)) |
253 G1CollectedHeap* g1 = G1CollectedHeap::heap(); | |
254 oop result = JNIHandles::resolve(obj); | |
255 const HeapRegion* hr = g1->heap_region_containing(result); | |
256 return hr->isHumongous(); | |
257 WB_END | |
258 | |
259 WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o)) | |
260 G1CollectedHeap* g1 = G1CollectedHeap::heap(); | |
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261 size_t nr = g1->num_free_regions(); |
5915 | 262 return (jlong)nr; |
263 WB_END | |
264 | |
265 WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o)) | |
266 G1CollectedHeap* g1 = G1CollectedHeap::heap(); | |
267 ConcurrentMark* cm = g1->concurrent_mark(); | |
268 return cm->concurrent_marking_in_progress(); | |
269 WB_END | |
270 | |
271 WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o)) | |
272 return (jint)HeapRegion::GrainBytes; | |
273 WB_END | |
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274 #endif // INCLUDE_ALL_GCS |
5915 | 275 |
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276 #if INCLUDE_NMT |
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277 // Alloc memory using the test memory type so that we can use that to see if |
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278 // NMT picks it up correctly |
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279 WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size)) |
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280 jlong addr = 0; |
20360 | 281 addr = (jlong)(uintptr_t)os::malloc(size, mtTest); |
282 return addr; | |
283 WB_END | |
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284 |
20360 | 285 // Alloc memory with pseudo call stack. The test can create psudo malloc |
286 // allocation site to stress the malloc tracking. | |
287 WB_ENTRY(jlong, WB_NMTMallocWithPseudoStack(JNIEnv* env, jobject o, jlong size, jint pseudo_stack)) | |
288 address pc = (address)(size_t)pseudo_stack; | |
289 NativeCallStack stack(&pc, 1); | |
290 return (jlong)os::malloc(size, mtTest, stack); | |
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291 WB_END |
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292 |
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293 // Free the memory allocated by NMTAllocTest |
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294 WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem)) |
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295 os::free((void*)(uintptr_t)mem, mtTest); |
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296 WB_END |
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297 |
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298 WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size)) |
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299 jlong addr = 0; |
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300 |
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301 addr = (jlong)(uintptr_t)os::reserve_memory(size); |
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302 MemTracker::record_virtual_memory_type((address)addr, mtTest); |
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303 |
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304 return addr; |
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305 WB_END |
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306 |
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307 |
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308 WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
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309 os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem); |
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310 MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest); |
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311 WB_END |
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312 |
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313 WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
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314 os::uncommit_memory((char *)(uintptr_t)addr, size); |
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315 WB_END |
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316 |
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317 WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size)) |
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318 os::release_memory((char *)(uintptr_t)addr, size); |
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319 WB_END |
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320 |
20360 | 321 WB_ENTRY(jboolean, WB_NMTIsDetailSupported(JNIEnv* env)) |
322 return MemTracker::tracking_level() == NMT_detail; | |
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323 WB_END |
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324 |
20360 | 325 WB_ENTRY(void, WB_NMTOverflowHashBucket(JNIEnv* env, jobject o, jlong num)) |
326 address pc = (address)1; | |
327 for (jlong index = 0; index < num; index ++) { | |
328 NativeCallStack stack(&pc, 1); | |
329 os::malloc(0, mtTest, stack); | |
330 pc += MallocSiteTable::hash_buckets(); | |
331 } | |
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332 WB_END |
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333 |
20360 | 334 |
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335 #endif // INCLUDE_NMT |
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336 |
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337 static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) { |
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338 assert(method != NULL, "method should not be null"); |
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339 ThreadToNativeFromVM ttn(thread); |
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340 return env->FromReflectedMethod(method); |
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341 } |
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342 |
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343 WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o)) |
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344 MutexLockerEx mu(Compile_lock); |
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345 CodeCache::mark_all_nmethods_for_deoptimization(); |
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346 VM_Deoptimize op; |
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347 VMThread::execute(&op); |
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348 WB_END |
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349 |
12073 | 350 WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
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351 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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352 int result = 0; |
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353 CHECK_JNI_EXCEPTION_(env, result); |
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354 MutexLockerEx mu(Compile_lock); |
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355 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 356 nmethod* code; |
357 if (is_osr) { | |
358 int bci = InvocationEntryBci; | |
359 while ((code = mh->lookup_osr_nmethod_for(bci, CompLevel_none, false)) != NULL) { | |
360 code->mark_for_deoptimization(); | |
361 ++result; | |
362 bci = code->osr_entry_bci() + 1; | |
363 } | |
364 } else { | |
365 code = mh->code(); | |
366 } | |
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367 if (code != NULL) { |
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368 code->mark_for_deoptimization(); |
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369 ++result; |
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370 } |
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371 result += CodeCache::mark_for_deoptimization(mh()); |
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372 if (result > 0) { |
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373 VM_Deoptimize op; |
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374 VMThread::execute(&op); |
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375 } |
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376 return result; |
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377 WB_END |
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378 |
12073 | 379 WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
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380 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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381 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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382 MutexLockerEx mu(Compile_lock); |
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383 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 384 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
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385 if (code == NULL) { |
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386 return JNI_FALSE; |
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387 } |
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388 return (code->is_alive() && !code->is_marked_for_deoptimization()); |
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389 WB_END |
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390 |
12073 | 391 WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
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392 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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393 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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394 MutexLockerEx mu(Compile_lock); |
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395 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 396 if (is_osr) { |
397 return CompilationPolicy::can_be_osr_compiled(mh, comp_level); | |
398 } else { | |
399 return CompilationPolicy::can_be_compiled(mh, comp_level); | |
400 } | |
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401 WB_END |
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402 |
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403 WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method)) |
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404 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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405 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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406 MutexLockerEx mu(Compile_lock); |
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407 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
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408 return mh->queued_for_compilation(); |
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409 WB_END |
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410 |
12073 | 411 WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) |
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412 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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413 CHECK_JNI_EXCEPTION_(env, CompLevel_none); |
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414 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 415 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); |
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416 return (code != NULL ? code->comp_level() : CompLevel_none); |
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417 WB_END |
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418 |
12073 | 419 WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr)) |
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420 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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421 CHECK_JNI_EXCEPTION(env); |
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422 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 423 if (is_osr) { |
424 mh->set_not_osr_compilable(comp_level, true /* report */, "WhiteBox"); | |
425 } else { | |
426 mh->set_not_compilable(comp_level, true /* report */, "WhiteBox"); | |
427 } | |
428 WB_END | |
429 | |
430 WB_ENTRY(jint, WB_GetMethodEntryBci(JNIEnv* env, jobject o, jobject method)) | |
431 jmethodID jmid = reflected_method_to_jmid(thread, env, method); | |
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432 CHECK_JNI_EXCEPTION_(env, InvocationEntryBci); |
12073 | 433 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
434 nmethod* code = mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false); | |
435 return (code != NULL && code->is_osr_method() ? code->osr_entry_bci() : InvocationEntryBci); | |
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436 WB_END |
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437 |
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438 WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
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439 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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440 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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441 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
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442 bool result = mh->dont_inline(); |
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443 mh->set_dont_inline(value == JNI_TRUE); |
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444 return result; |
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445 WB_END |
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446 |
12073 | 447 WB_ENTRY(jint, WB_GetCompileQueueSize(JNIEnv* env, jobject o, jint comp_level)) |
448 if (comp_level == CompLevel_any) { | |
449 return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ + | |
450 CompileBroker::queue_size(CompLevel_full_profile) /* C1 */; | |
451 } else { | |
452 return CompileBroker::queue_size(comp_level); | |
453 } | |
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454 WB_END |
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455 |
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456 WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value)) |
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457 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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458 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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459 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
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460 bool result = mh->force_inline(); |
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461 mh->set_force_inline(value == JNI_TRUE); |
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462 return result; |
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463 WB_END |
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464 |
12073 | 465 WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level, jint bci)) |
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466 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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467 CHECK_JNI_EXCEPTION_(env, JNI_FALSE); |
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468 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
12073 | 469 nmethod* nm = CompileBroker::compile_method(mh, bci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD); |
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470 MutexLockerEx mu(Compile_lock); |
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471 return (mh->queued_for_compilation() || nm != NULL); |
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472 WB_END |
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473 |
17867 | 474 class VM_WhiteBoxOperation : public VM_Operation { |
475 public: | |
476 VM_WhiteBoxOperation() { } | |
477 VMOp_Type type() const { return VMOp_WhiteBoxOperation; } | |
478 bool allow_nested_vm_operations() const { return true; } | |
479 }; | |
480 | |
481 class AlwaysFalseClosure : public BoolObjectClosure { | |
482 public: | |
483 bool do_object_b(oop p) { return false; } | |
484 }; | |
485 | |
486 static AlwaysFalseClosure always_false; | |
487 | |
488 class VM_WhiteBoxCleanMethodData : public VM_WhiteBoxOperation { | |
489 public: | |
490 VM_WhiteBoxCleanMethodData(MethodData* mdo) : _mdo(mdo) { } | |
491 void doit() { | |
492 _mdo->clean_method_data(&always_false); | |
493 } | |
494 private: | |
495 MethodData* _mdo; | |
496 }; | |
497 | |
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498 WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method)) |
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499 jmethodID jmid = reflected_method_to_jmid(thread, env, method); |
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500 CHECK_JNI_EXCEPTION(env); |
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501 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); |
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502 MutexLockerEx mu(Compile_lock); |
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503 MethodData* mdo = mh->method_data(); |
10107 | 504 MethodCounters* mcs = mh->method_counters(); |
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505 |
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506 if (mdo != NULL) { |
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507 mdo->init(); |
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508 ResourceMark rm; |
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509 int arg_count = mdo->method()->size_of_parameters(); |
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510 for (int i = 0; i < arg_count; i++) { |
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511 mdo->set_arg_modified(i, 0); |
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512 } |
17867 | 513 VM_WhiteBoxCleanMethodData op(mdo); |
514 VMThread::execute(&op); | |
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515 } |
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516 |
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517 mh->clear_not_c1_compilable(); |
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518 mh->clear_not_c2_compilable(); |
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519 mh->clear_not_c2_osr_compilable(); |
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520 NOT_PRODUCT(mh->set_compiled_invocation_count(0)); |
10107 | 521 if (mcs != NULL) { |
522 mcs->backedge_counter()->init(); | |
523 mcs->invocation_counter()->init(); | |
524 mcs->set_interpreter_invocation_count(0); | |
525 mcs->set_interpreter_throwout_count(0); | |
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526 |
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527 #ifdef TIERED |
10107 | 528 mcs->set_rate(0.0F); |
529 mh->set_prev_event_count(0, THREAD); | |
530 mh->set_prev_time(0, THREAD); | |
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531 #endif |
10107 | 532 } |
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533 WB_END |
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534 |
20249 | 535 template <typename T> |
536 static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAt)(const char*, T*)) { | |
537 if (name == NULL) { | |
538 return false; | |
539 } | |
540 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
541 const char* flag_name = env->GetStringUTFChars(name, NULL); | |
542 bool result = (*TAt)(flag_name, value); | |
543 env->ReleaseStringUTFChars(name, flag_name); | |
544 return result; | |
545 } | |
546 | |
547 template <typename T> | |
548 static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAtPut)(const char*, T*, Flag::Flags)) { | |
549 if (name == NULL) { | |
550 return false; | |
551 } | |
552 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
553 const char* flag_name = env->GetStringUTFChars(name, NULL); | |
554 bool result = (*TAtPut)(flag_name, value, Flag::INTERNAL); | |
555 env->ReleaseStringUTFChars(name, flag_name); | |
556 return result; | |
557 } | |
558 | |
559 template <typename T> | |
560 static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) { | |
561 ResourceMark rm(thread); | |
562 jclass clazz = env->FindClass(name->as_C_string()); | |
563 CHECK_JNI_EXCEPTION_(env, NULL); | |
564 jmethodID methodID = env->GetStaticMethodID(clazz, | |
565 vmSymbols::valueOf_name()->as_C_string(), | |
566 sig->as_C_string()); | |
567 CHECK_JNI_EXCEPTION_(env, NULL); | |
568 jobject result = env->CallStaticObjectMethod(clazz, methodID, value); | |
569 CHECK_JNI_EXCEPTION_(env, NULL); | |
570 return result; | |
571 } | |
572 | |
573 static jobject booleanBox(JavaThread* thread, JNIEnv* env, jboolean value) { | |
574 return box(thread, env, vmSymbols::java_lang_Boolean(), vmSymbols::Boolean_valueOf_signature(), value); | |
575 } | |
576 static jobject integerBox(JavaThread* thread, JNIEnv* env, jint value) { | |
577 return box(thread, env, vmSymbols::java_lang_Integer(), vmSymbols::Integer_valueOf_signature(), value); | |
578 } | |
579 static jobject longBox(JavaThread* thread, JNIEnv* env, jlong value) { | |
580 return box(thread, env, vmSymbols::java_lang_Long(), vmSymbols::Long_valueOf_signature(), value); | |
581 } | |
582 /* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) { | |
583 return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value); | |
584 }*/ | |
585 static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) { | |
586 return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value); | |
587 } | |
588 | |
589 WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name)) | |
590 bool result; | |
591 if (GetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAt)) { | |
592 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
593 return booleanBox(thread, env, result); | |
594 } | |
595 return NULL; | |
596 WB_END | |
597 | |
598 WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name)) | |
599 intx result; | |
600 if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) { | |
601 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
602 return longBox(thread, env, result); | |
603 } | |
604 return NULL; | |
605 WB_END | |
606 | |
607 WB_ENTRY(jobject, WB_GetUintxVMFlag(JNIEnv* env, jobject o, jstring name)) | |
608 uintx result; | |
609 if (GetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAt)) { | |
610 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
611 return longBox(thread, env, result); | |
612 } | |
613 return NULL; | |
614 WB_END | |
615 | |
616 WB_ENTRY(jobject, WB_GetUint64VMFlag(JNIEnv* env, jobject o, jstring name)) | |
617 uint64_t result; | |
618 if (GetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAt)) { | |
619 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
620 return longBox(thread, env, result); | |
621 } | |
622 return NULL; | |
623 WB_END | |
624 | |
625 WB_ENTRY(jobject, WB_GetDoubleVMFlag(JNIEnv* env, jobject o, jstring name)) | |
626 double result; | |
627 if (GetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAt)) { | |
628 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
629 return doubleBox(thread, env, result); | |
630 } | |
631 return NULL; | |
632 WB_END | |
633 | |
634 WB_ENTRY(jstring, WB_GetStringVMFlag(JNIEnv* env, jobject o, jstring name)) | |
635 ccstr ccstrResult; | |
636 if (GetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAt)) { | |
637 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
638 jstring result = env->NewStringUTF(ccstrResult); | |
639 CHECK_JNI_EXCEPTION_(env, NULL); | |
640 return result; | |
641 } | |
642 return NULL; | |
643 WB_END | |
644 | |
645 WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolean value)) | |
646 bool result = value == JNI_TRUE ? true : false; | |
647 SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut); | |
648 WB_END | |
649 | |
650 WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) | |
651 intx result = value; | |
652 SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut); | |
653 WB_END | |
654 | |
655 WB_ENTRY(void, WB_SetUintxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) | |
656 uintx result = value; | |
657 SetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAtPut); | |
658 WB_END | |
659 | |
660 WB_ENTRY(void, WB_SetUint64VMFlag(JNIEnv* env, jobject o, jstring name, jlong value)) | |
661 uint64_t result = value; | |
662 SetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAtPut); | |
663 WB_END | |
664 | |
665 WB_ENTRY(void, WB_SetDoubleVMFlag(JNIEnv* env, jobject o, jstring name, jdouble value)) | |
666 double result = value; | |
667 SetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAtPut); | |
668 WB_END | |
669 | |
670 WB_ENTRY(void, WB_SetStringVMFlag(JNIEnv* env, jobject o, jstring name, jstring value)) | |
671 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
672 const char* ccstrValue = (value == NULL) ? NULL : env->GetStringUTFChars(value, NULL); | |
673 ccstr ccstrResult = ccstrValue; | |
674 bool needFree; | |
675 { | |
676 ThreadInVMfromNative ttvfn(thread); // back to VM | |
677 needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAtPut); | |
678 } | |
679 if (value != NULL) { | |
680 env->ReleaseStringUTFChars(value, ccstrValue); | |
681 } | |
682 if (needFree) { | |
683 FREE_C_HEAP_ARRAY(char, ccstrResult, mtInternal); | |
684 } | |
685 WB_END | |
686 | |
687 | |
8850 | 688 WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString)) |
689 ResourceMark rm(THREAD); | |
690 int len; | |
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691 jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false); |
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692 return (StringTable::lookup(name, len) != NULL); |
8850 | 693 WB_END |
694 | |
695 WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o)) | |
696 Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true); | |
697 Universe::heap()->collect(GCCause::_last_ditch_collection); | |
20451 | 698 #if INCLUDE_ALL_GCS |
699 if (UseG1GC) { | |
700 // Needs to be cleared explicitly for G1 | |
701 Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(false); | |
702 } | |
703 #endif // INCLUDE_ALL_GCS | |
8850 | 704 WB_END |
705 | |
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706 WB_ENTRY(void, WB_YoungGC(JNIEnv* env, jobject o)) |
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707 Universe::heap()->collect(GCCause::_wb_young_gc); |
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708 WB_END |
10157 | 709 |
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710 WB_ENTRY(void, WB_ReadReservedMemory(JNIEnv* env, jobject o)) |
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711 // static+volatile in order to force the read to happen |
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712 // (not be eliminated by the compiler) |
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713 static char c; |
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714 static volatile char* p; |
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715 |
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716 p = os::reserve_memory(os::vm_allocation_granularity(), NULL, 0); |
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717 if (p == NULL) { |
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718 THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), "Failed to reserve memory"); |
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719 } |
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720 |
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721 c = *p; |
10157 | 722 WB_END |
723 | |
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724 WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o)) |
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725 const char* cpu_features = VM_Version::cpu_features(); |
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726 ThreadToNativeFromVM ttn(thread); |
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727 jstring features_string = env->NewStringUTF(cpu_features); |
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728 |
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729 CHECK_JNI_EXCEPTION_(env, NULL); |
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730 |
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731 return features_string; |
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732 WB_END |
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733 |
17817 | 734 |
735 WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr)) | |
736 ResourceMark rm(THREAD); | |
737 jmethodID jmid = reflected_method_to_jmid(thread, env, method); | |
738 CHECK_JNI_EXCEPTION_(env, NULL); | |
739 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid)); | |
740 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code(); | |
741 jobjectArray result = NULL; | |
742 if (code == NULL) { | |
743 return result; | |
744 } | |
745 int insts_size = code->insts_size(); | |
746 | |
747 ThreadToNativeFromVM ttn(thread); | |
748 jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string()); | |
749 CHECK_JNI_EXCEPTION_(env, NULL); | |
750 result = env->NewObjectArray(2, clazz, NULL); | |
751 if (result == NULL) { | |
752 return result; | |
753 } | |
754 | |
20249 | 755 jobject obj = integerBox(thread, env, code->comp_level()); |
17817 | 756 CHECK_JNI_EXCEPTION_(env, NULL); |
757 env->SetObjectArrayElement(result, 0, obj); | |
758 | |
759 jbyteArray insts = env->NewByteArray(insts_size); | |
760 CHECK_JNI_EXCEPTION_(env, NULL); | |
761 env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin()); | |
762 env->SetObjectArrayElement(result, 1, insts); | |
763 | |
764 return result; | |
765 WB_END | |
766 | |
767 | |
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768 int WhiteBox::array_bytes_to_length(size_t bytes) { |
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769 return Array<u1>::bytes_to_length(bytes); |
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770 } |
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771 |
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772 WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size)) |
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773 if (size < 0) { |
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774 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
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775 err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size)); |
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776 } |
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777 |
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778 oop class_loader_oop = JNIHandles::resolve(class_loader); |
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779 ClassLoaderData* cld = class_loader_oop != NULL |
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780 ? java_lang_ClassLoader::loader_data(class_loader_oop) |
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781 : ClassLoaderData::the_null_class_loader_data(); |
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782 |
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783 void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread); |
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784 |
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785 return (jlong)(uintptr_t)metadata; |
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786 WB_END |
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787 |
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788 WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size)) |
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789 oop class_loader_oop = JNIHandles::resolve(class_loader); |
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790 ClassLoaderData* cld = class_loader_oop != NULL |
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791 ? java_lang_ClassLoader::loader_data(class_loader_oop) |
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792 : ClassLoaderData::the_null_class_loader_data(); |
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793 |
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794 MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr); |
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795 WB_END |
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796 |
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797 //Some convenience methods to deal with objects from java |
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798 int WhiteBox::offset_for_field(const char* field_name, oop object, |
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799 Symbol* signature_symbol) { |
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800 assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid"); |
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801 Thread* THREAD = Thread::current(); |
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802 |
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803 //Get the class of our object |
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804 Klass* arg_klass = object->klass(); |
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805 //Turn it into an instance-klass |
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806 InstanceKlass* ik = InstanceKlass::cast(arg_klass); |
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807 |
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808 //Create symbols to look for in the class |
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809 TempNewSymbol name_symbol = SymbolTable::lookup(field_name, (int) strlen(field_name), |
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810 THREAD); |
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811 |
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812 //To be filled in with an offset of the field we're looking for |
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813 fieldDescriptor fd; |
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814 |
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815 Klass* res = ik->find_field(name_symbol, signature_symbol, &fd); |
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816 if (res == NULL) { |
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817 tty->print_cr("Invalid layout of %s at %s", ik->external_name(), |
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818 name_symbol->as_C_string()); |
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819 fatal("Invalid layout of preloaded class"); |
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820 } |
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821 |
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822 //fetch the field at the offset we've found |
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823 int dest_offset = fd.offset(); |
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824 |
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825 return dest_offset; |
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826 } |
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827 |
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828 |
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829 const char* WhiteBox::lookup_jstring(const char* field_name, oop object) { |
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830 int offset = offset_for_field(field_name, object, |
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831 vmSymbols::string_signature()); |
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832 oop string = object->obj_field(offset); |
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833 if (string == NULL) { |
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834 return NULL; |
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835 } |
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836 const char* ret = java_lang_String::as_utf8_string(string); |
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837 return ret; |
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838 } |
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839 |
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840 bool WhiteBox::lookup_bool(const char* field_name, oop object) { |
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841 int offset = |
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842 offset_for_field(field_name, object, vmSymbols::bool_signature()); |
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843 bool ret = (object->bool_field(offset) == JNI_TRUE); |
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844 return ret; |
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845 } |
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846 |
20451 | 847 void WhiteBox::register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread, JNINativeMethod* method_array, int method_count) { |
848 ResourceMark rm; | |
849 ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI | |
850 | |
851 // one by one registration natives for exception catching | |
852 jclass no_such_method_error_klass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string()); | |
853 CHECK_JNI_EXCEPTION(env); | |
854 for (int i = 0, n = method_count; i < n; ++i) { | |
855 // Skip dummy entries | |
856 if (method_array[i].fnPtr == NULL) continue; | |
857 if (env->RegisterNatives(wbclass, &method_array[i], 1) != 0) { | |
858 jthrowable throwable_obj = env->ExceptionOccurred(); | |
859 if (throwable_obj != NULL) { | |
860 env->ExceptionClear(); | |
861 if (env->IsInstanceOf(throwable_obj, no_such_method_error_klass)) { | |
862 // NoSuchMethodError is thrown when a method can't be found or a method is not native. | |
863 // Ignoring the exception since it is not preventing use of other WhiteBox methods. | |
864 tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", | |
865 method_array[i].name, method_array[i].signature); | |
866 } | |
867 } else { | |
868 // Registration failed unexpectedly. | |
869 tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered", | |
870 method_array[i].name, method_array[i].signature); | |
871 env->UnregisterNatives(wbclass); | |
872 break; | |
873 } | |
874 } | |
875 } | |
876 } | |
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877 |
5915 | 878 #define CC (char*) |
879 | |
880 static JNINativeMethod methods[] = { | |
881 {CC"getObjectAddress", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress }, | |
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882 {CC"getObjectSize", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize }, |
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883 {CC"isObjectInOldGen", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen }, |
5915 | 884 {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize }, |
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885 {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive }, |
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886 {CC"parseCommandLine", |
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887 CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;", |
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888 (void*) &WB_ParseCommandLine |
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889 }, |
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890 {CC"getCompressedOopsMaxHeapSize", CC"()J", |
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891 (void*)&WB_GetCompressedOopsMaxHeapSize}, |
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892 {CC"printHeapSizes", CC"()V", (void*)&WB_PrintHeapSizes }, |
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893 {CC"runMemoryUnitTests", CC"()V", (void*)&WB_RunMemoryUnitTests}, |
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894 {CC"readFromNoaccessArea",CC"()V", (void*)&WB_ReadFromNoaccessArea}, |
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895 {CC"stressVirtualSpaceResize",CC"(JJJ)I", (void*)&WB_StressVirtualSpaceResize}, |
8001
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896 #if INCLUDE_ALL_GCS |
5915 | 897 {CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark}, |
898 {CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous }, | |
899 {CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions }, | |
900 {CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize }, | |
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901 #endif // INCLUDE_ALL_GCS |
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902 #if INCLUDE_NMT |
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903 {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc }, |
20360 | 904 {CC"NMTMallocWithPseudoStack", CC"(JI)J", (void*)&WB_NMTMallocWithPseudoStack}, |
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905 {CC"NMTFree", CC"(J)V", (void*)&WB_NMTFree }, |
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906 {CC"NMTReserveMemory", CC"(J)J", (void*)&WB_NMTReserveMemory }, |
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907 {CC"NMTCommitMemory", CC"(JJ)V", (void*)&WB_NMTCommitMemory }, |
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908 {CC"NMTUncommitMemory", CC"(JJ)V", (void*)&WB_NMTUncommitMemory }, |
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909 {CC"NMTReleaseMemory", CC"(JJ)V", (void*)&WB_NMTReleaseMemory }, |
20360 | 910 {CC"NMTOverflowHashBucket", CC"(J)V", (void*)&WB_NMTOverflowHashBucket}, |
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911 {CC"NMTIsDetailSupported",CC"()Z", (void*)&WB_NMTIsDetailSupported}, |
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912 #endif // INCLUDE_NMT |
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913 {CC"deoptimizeAll", CC"()V", (void*)&WB_DeoptimizeAll }, |
12073 | 914 {CC"deoptimizeMethod", CC"(Ljava/lang/reflect/Executable;Z)I", |
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915 (void*)&WB_DeoptimizeMethod }, |
12073 | 916 {CC"isMethodCompiled", CC"(Ljava/lang/reflect/Executable;Z)Z", |
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917 (void*)&WB_IsMethodCompiled }, |
12073 | 918 {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z", |
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919 (void*)&WB_IsMethodCompilable}, |
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920 {CC"isMethodQueuedForCompilation", |
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921 CC"(Ljava/lang/reflect/Executable;)Z", (void*)&WB_IsMethodQueuedForCompilation}, |
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922 {CC"makeMethodNotCompilable", |
12073 | 923 CC"(Ljava/lang/reflect/Executable;IZ)V", (void*)&WB_MakeMethodNotCompilable}, |
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924 {CC"testSetDontInlineMethod", |
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925 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
|
926 {CC"getMethodCompilationLevel", |
12073 | 927 CC"(Ljava/lang/reflect/Executable;Z)I", (void*)&WB_GetMethodCompilationLevel}, |
928 {CC"getMethodEntryBci", | |
929 CC"(Ljava/lang/reflect/Executable;)I", (void*)&WB_GetMethodEntryBci}, | |
930 {CC"getCompileQueueSize", | |
931 CC"(I)I", (void*)&WB_GetCompileQueueSize}, | |
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
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diff
changeset
|
932 {CC"testSetForceInlineMethod", |
10113
4b2eebe03f93
8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
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9085
diff
changeset
|
933 CC"(Ljava/lang/reflect/Executable;Z)Z", (void*)&WB_TestSetForceInlineMethod}, |
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
iignatyev
parents:
8850
diff
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|
934 {CC"enqueueMethodForCompilation", |
12073 | 935 CC"(Ljava/lang/reflect/Executable;II)Z", (void*)&WB_EnqueueMethodForCompilation}, |
9080
b84fd7d73702
8007288: Additional WB API for compiler's testing
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parents:
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diff
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|
936 {CC"clearMethodState", |
10113
4b2eebe03f93
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iignatyev
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9085
diff
changeset
|
937 CC"(Ljava/lang/reflect/Executable;)V", (void*)&WB_ClearMethodState}, |
20249 | 938 {CC"setBooleanVMFlag", CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag}, |
939 {CC"setIntxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag}, | |
940 {CC"setUintxVMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag}, | |
941 {CC"setUint64VMFlag", CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag}, | |
942 {CC"setDoubleVMFlag", CC"(Ljava/lang/String;D)V",(void*)&WB_SetDoubleVMFlag}, | |
943 {CC"setStringVMFlag", CC"(Ljava/lang/String;Ljava/lang/String;)V", | |
944 (void*)&WB_SetStringVMFlag}, | |
945 {CC"getBooleanVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Boolean;", | |
946 (void*)&WB_GetBooleanVMFlag}, | |
947 {CC"getIntxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", | |
948 (void*)&WB_GetIntxVMFlag}, | |
949 {CC"getUintxVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", | |
950 (void*)&WB_GetUintxVMFlag}, | |
951 {CC"getUint64VMFlag", CC"(Ljava/lang/String;)Ljava/lang/Long;", | |
952 (void*)&WB_GetUint64VMFlag}, | |
953 {CC"getDoubleVMFlag", CC"(Ljava/lang/String;)Ljava/lang/Double;", | |
954 (void*)&WB_GetDoubleVMFlag}, | |
955 {CC"getStringVMFlag", CC"(Ljava/lang/String;)Ljava/lang/String;", | |
956 (void*)&WB_GetStringVMFlag}, | |
957 {CC"isInStringTable", CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable }, | |
8850 | 958 {CC"fullGC", CC"()V", (void*)&WB_FullGC }, |
20357
4bfc44ba0d19
8055098: WB API should be extended to provide information about size and age of object.
tschatzl
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20336
diff
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|
959 {CC"youngGC", CC"()V", (void*)&WB_YoungGC }, |
10341
f54c85acc043
8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
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10241
diff
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|
960 {CC"readReservedMemory", CC"()V", (void*)&WB_ReadReservedMemory }, |
20278
2c6ef90f030a
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stefank
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20249
diff
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|
961 {CC"allocateMetaspace", |
2c6ef90f030a
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diff
changeset
|
962 CC"(Ljava/lang/ClassLoader;J)J", (void*)&WB_AllocateMetaspace }, |
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diff
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|
963 {CC"freeMetaspace", |
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diff
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|
964 CC"(Ljava/lang/ClassLoader;JJ)V", (void*)&WB_FreeMetaspace }, |
17778
a48e16541e6b
8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
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parents:
17704
diff
changeset
|
965 {CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures }, |
17817 | 966 {CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;", |
967 (void*)&WB_GetNMethod }, | |
5915 | 968 }; |
969 | |
970 #undef CC | |
971 | |
972 JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass)) | |
973 { | |
974 if (WhiteBoxAPI) { | |
975 // Make sure that wbclass is loaded by the null classloader | |
976 instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); | |
977 Handle loader(ikh->class_loader()); | |
978 if (loader.is_null()) { | |
20451 | 979 WhiteBox::register_methods(env, wbclass, thread, methods, sizeof(methods) / sizeof(methods[0])); |
980 WhiteBox::register_extended(env, wbclass, thread); | |
981 WhiteBox::set_used(); | |
5915 | 982 } |
983 } | |
984 } | |
985 JVM_END |