Mercurial > hg > graal-jvmci-8
annotate src/share/vm/jvmci/jvmciEnv.cpp @ 22551:71ea8d7db665
removed author tags in comments
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 11 Sep 2015 16:41:50 +0200 |
parents | 02fc27dc1da7 |
children | 778602e2403c |
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1 /* |
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2 * Copyright (c) 1999, 2011, 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 #include "jvmci/jvmciEnv.hpp" |
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27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/systemDictionary.hpp" |
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29 #include "classfile/vmSymbols.hpp" |
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30 #include "code/codeCache.hpp" |
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31 #include "code/scopeDesc.hpp" |
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32 #include "runtime/sweeper.hpp" |
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33 #include "compiler/compileBroker.hpp" |
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34 #include "compiler/compileLog.hpp" |
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35 #include "compiler/compilerOracle.hpp" |
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36 #include "interpreter/linkResolver.hpp" |
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37 #include "memory/allocation.inline.hpp" |
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38 #include "memory/oopFactory.hpp" |
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39 #include "memory/universe.inline.hpp" |
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40 #include "oops/methodData.hpp" |
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41 #include "oops/objArrayKlass.hpp" |
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42 #include "oops/oop.inline.hpp" |
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43 #include "prims/jvmtiExport.hpp" |
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44 #include "runtime/init.hpp" |
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45 #include "runtime/reflection.hpp" |
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46 #include "runtime/sharedRuntime.hpp" |
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47 #include "utilities/dtrace.hpp" |
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48 #include "jvmci/jvmciRuntime.hpp" |
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49 #include "jvmci/jvmciJavaClasses.hpp" |
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50 |
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51 JVMCIEnv::JVMCIEnv(CompileTask* task, int system_dictionary_modification_counter) { |
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52 _task = task; |
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53 _system_dictionary_modification_counter = system_dictionary_modification_counter; |
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54 { |
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55 // Get Jvmti capabilities under lock to get consistent values. |
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56 MutexLocker mu(JvmtiThreadState_lock); |
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57 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint(); |
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58 _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables(); |
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59 _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions(); |
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60 } |
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61 } |
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62 |
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63 // ------------------------------------------------------------------ |
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64 // Note: the logic of this method should mirror the logic of |
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65 // constantPoolOopDesc::verify_constant_pool_resolve. |
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66 bool JVMCIEnv::check_klass_accessibility(KlassHandle accessing_klass, KlassHandle resolved_klass) { |
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67 if (accessing_klass->oop_is_objArray()) { |
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68 accessing_klass = ObjArrayKlass::cast(accessing_klass())->bottom_klass(); |
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69 } |
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70 if (!accessing_klass->oop_is_instance()) { |
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71 return true; |
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72 } |
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73 |
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74 if (resolved_klass->oop_is_objArray()) { |
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75 // Find the element klass, if this is an array. |
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76 resolved_klass = ObjArrayKlass::cast(resolved_klass())->bottom_klass(); |
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77 } |
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78 if (resolved_klass->oop_is_instance()) { |
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79 return Reflection::verify_class_access(accessing_klass(), resolved_klass(), true); |
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80 } |
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81 return true; |
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82 } |
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83 |
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84 // ------------------------------------------------------------------ |
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85 KlassHandle JVMCIEnv::get_klass_by_name_impl(KlassHandle& accessing_klass, |
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86 constantPoolHandle& cpool, |
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87 Symbol* sym, |
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88 bool require_local) { |
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89 JVMCI_EXCEPTION_CONTEXT; |
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90 |
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91 // Now we need to check the SystemDictionary |
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92 if (sym->byte_at(0) == 'L' && |
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93 sym->byte_at(sym->utf8_length()-1) == ';') { |
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94 // This is a name from a signature. Strip off the trimmings. |
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95 // Call recursive to keep scope of strippedsym. |
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96 TempNewSymbol strippedsym = SymbolTable::new_symbol(sym->as_utf8()+1, |
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97 sym->utf8_length()-2, |
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98 CHECK_(KlassHandle())); |
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99 return get_klass_by_name_impl(accessing_klass, cpool, strippedsym, require_local); |
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100 } |
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101 |
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102 Handle loader(THREAD, (oop)NULL); |
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103 Handle domain(THREAD, (oop)NULL); |
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104 if (!accessing_klass.is_null()) { |
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105 loader = Handle(THREAD, accessing_klass->class_loader()); |
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106 domain = Handle(THREAD, accessing_klass->protection_domain()); |
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107 } |
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108 |
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109 KlassHandle found_klass; |
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110 { |
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111 ttyUnlocker ttyul; // release tty lock to avoid ordering problems |
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112 MutexLocker ml(Compile_lock); |
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113 Klass* kls; |
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114 if (!require_local) { |
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115 kls = SystemDictionary::find_constrained_instance_or_array_klass(sym, loader, CHECK_(KlassHandle())); |
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116 } else { |
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117 kls = SystemDictionary::find_instance_or_array_klass(sym, loader, domain, CHECK_(KlassHandle())); |
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118 } |
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119 found_klass = KlassHandle(THREAD, kls); |
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120 } |
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121 |
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122 // If we fail to find an array klass, look again for its element type. |
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123 // The element type may be available either locally or via constraints. |
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124 // In either case, if we can find the element type in the system dictionary, |
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125 // we must build an array type around it. The CI requires array klasses |
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126 // to be loaded if their element klasses are loaded, except when memory |
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127 // is exhausted. |
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128 if (sym->byte_at(0) == '[' && |
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129 (sym->byte_at(1) == '[' || sym->byte_at(1) == 'L')) { |
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130 // We have an unloaded array. |
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131 // Build it on the fly if the element class exists. |
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132 TempNewSymbol elem_sym = SymbolTable::new_symbol(sym->as_utf8()+1, |
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133 sym->utf8_length()-1, |
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134 CHECK_(KlassHandle())); |
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135 |
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136 // Get element Klass recursively. |
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137 KlassHandle elem_klass = |
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138 get_klass_by_name_impl(accessing_klass, |
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139 cpool, |
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140 elem_sym, |
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141 require_local); |
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142 if (!elem_klass.is_null()) { |
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143 // Now make an array for it |
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144 return elem_klass->array_klass(CHECK_(KlassHandle())); |
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145 } |
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146 } |
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147 |
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148 if (found_klass.is_null() && !cpool.is_null() && cpool->has_preresolution()) { |
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149 // Look inside the constant pool for pre-resolved class entries. |
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150 for (int i = cpool->length() - 1; i >= 1; i--) { |
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151 if (cpool->tag_at(i).is_klass()) { |
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152 Klass* kls = cpool->resolved_klass_at(i); |
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153 if (kls->name() == sym) { |
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154 return kls; |
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155 } |
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156 } |
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157 } |
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158 } |
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159 |
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160 return found_klass(); |
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161 } |
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162 |
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163 // ------------------------------------------------------------------ |
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164 KlassHandle JVMCIEnv::get_klass_by_name(KlassHandle& accessing_klass, |
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165 Symbol* klass_name, |
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166 bool require_local) { |
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167 ResourceMark rm; |
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168 constantPoolHandle cpool; |
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169 return get_klass_by_name_impl(accessing_klass, |
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170 cpool, |
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171 klass_name, |
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172 require_local); |
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173 } |
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174 |
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175 // ------------------------------------------------------------------ |
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176 // Implementation of get_klass_by_index. |
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177 KlassHandle JVMCIEnv::get_klass_by_index_impl(constantPoolHandle& cpool, |
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178 int index, |
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179 bool& is_accessible, |
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180 KlassHandle& accessor) { |
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181 JVMCI_EXCEPTION_CONTEXT; |
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182 KlassHandle klass (THREAD, ConstantPool::klass_at_if_loaded(cpool, index)); |
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183 Symbol* klass_name = NULL; |
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184 if (klass.is_null()) { |
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185 klass_name = cpool->klass_name_at(index); |
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186 } |
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187 |
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188 if (klass.is_null()) { |
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189 // Not found in constant pool. Use the name to do the lookup. |
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190 KlassHandle k = get_klass_by_name_impl(accessor, |
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191 cpool, |
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192 klass_name, |
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193 false); |
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194 // Calculate accessibility the hard way. |
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195 if (k.is_null()) { |
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196 is_accessible = false; |
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197 } else if (k->class_loader() != accessor->class_loader() && |
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198 get_klass_by_name_impl(accessor, cpool, k->name(), true).is_null()) { |
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199 // Loaded only remotely. Not linked yet. |
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200 is_accessible = false; |
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201 } else { |
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202 // Linked locally, and we must also check public/private, etc. |
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203 is_accessible = check_klass_accessibility(accessor, k); |
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204 } |
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205 if (!is_accessible) { |
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206 return KlassHandle(); |
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207 } |
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208 return k; |
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209 } |
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210 |
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211 // It is known to be accessible, since it was found in the constant pool. |
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212 is_accessible = true; |
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213 return klass; |
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214 } |
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215 |
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216 // ------------------------------------------------------------------ |
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217 // Get a klass from the constant pool. |
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218 KlassHandle JVMCIEnv::get_klass_by_index(constantPoolHandle& cpool, |
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219 int index, |
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220 bool& is_accessible, |
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221 KlassHandle& accessor) { |
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222 ResourceMark rm; |
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223 KlassHandle result = get_klass_by_index_impl(cpool, index, is_accessible, accessor); |
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224 return result; |
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225 } |
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226 |
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227 // ------------------------------------------------------------------ |
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228 // Implementation of get_field_by_index. |
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229 // |
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230 // Implementation note: the results of field lookups are cached |
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231 // in the accessor klass. |
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232 void JVMCIEnv::get_field_by_index_impl(instanceKlassHandle& klass, fieldDescriptor& field_desc, |
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233 int index) { |
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234 JVMCI_EXCEPTION_CONTEXT; |
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235 |
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236 assert(klass->is_linked(), "must be linked before using its constant-pool"); |
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237 |
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238 constantPoolHandle cpool(thread, klass->constants()); |
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239 |
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240 // Get the field's name, signature, and type. |
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241 Symbol* name = cpool->name_ref_at(index); |
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242 |
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243 int nt_index = cpool->name_and_type_ref_index_at(index); |
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244 int sig_index = cpool->signature_ref_index_at(nt_index); |
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245 Symbol* signature = cpool->symbol_at(sig_index); |
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246 |
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247 // Get the field's declared holder. |
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248 int holder_index = cpool->klass_ref_index_at(index); |
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249 bool holder_is_accessible; |
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250 KlassHandle declared_holder = get_klass_by_index(cpool, holder_index, |
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251 holder_is_accessible, |
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252 klass); |
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253 |
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254 // The declared holder of this field may not have been loaded. |
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255 // Bail out with partial field information. |
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256 if (!holder_is_accessible) { |
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257 return; |
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258 } |
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259 |
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260 |
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261 // Perform the field lookup. |
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262 Klass* canonical_holder = |
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263 InstanceKlass::cast(declared_holder())->find_field(name, signature, &field_desc); |
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264 if (canonical_holder == NULL) { |
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265 return; |
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266 } |
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267 |
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268 assert(canonical_holder == field_desc.field_holder(), "just checking"); |
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269 } |
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270 |
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271 // ------------------------------------------------------------------ |
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272 // Get a field by index from a klass's constant pool. |
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273 void JVMCIEnv::get_field_by_index(instanceKlassHandle& accessor, fieldDescriptor& fd, int index) { |
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274 ResourceMark rm; |
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275 return get_field_by_index_impl(accessor, fd, index); |
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276 } |
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277 |
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278 // ------------------------------------------------------------------ |
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279 // Perform an appropriate method lookup based on accessor, holder, |
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280 // name, signature, and bytecode. |
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281 methodHandle JVMCIEnv::lookup_method(instanceKlassHandle& h_accessor, |
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282 instanceKlassHandle& h_holder, |
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283 Symbol* name, |
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284 Symbol* sig, |
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285 Bytecodes::Code bc) { |
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286 JVMCI_EXCEPTION_CONTEXT; |
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287 LinkResolver::check_klass_accessability(h_accessor, h_holder, KILL_COMPILE_ON_FATAL_(NULL)); |
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288 methodHandle dest_method; |
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289 switch (bc) { |
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290 case Bytecodes::_invokestatic: |
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291 dest_method = |
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292 LinkResolver::resolve_static_call_or_null(h_holder, name, sig, h_accessor); |
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293 break; |
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294 case Bytecodes::_invokespecial: |
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295 dest_method = |
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296 LinkResolver::resolve_special_call_or_null(h_holder, name, sig, h_accessor); |
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297 break; |
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298 case Bytecodes::_invokeinterface: |
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299 dest_method = |
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300 LinkResolver::linktime_resolve_interface_method_or_null(h_holder, name, sig, |
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301 h_accessor, true); |
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302 break; |
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303 case Bytecodes::_invokevirtual: |
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304 dest_method = |
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305 LinkResolver::linktime_resolve_virtual_method_or_null(h_holder, name, sig, |
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306 h_accessor, true); |
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307 break; |
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308 default: ShouldNotReachHere(); |
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309 } |
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310 |
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311 return dest_method; |
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312 } |
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313 |
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314 |
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315 // ------------------------------------------------------------------ |
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316 methodHandle JVMCIEnv::get_method_by_index_impl(constantPoolHandle& cpool, |
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317 int index, Bytecodes::Code bc, |
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318 instanceKlassHandle& accessor) { |
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319 if (bc == Bytecodes::_invokedynamic) { |
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320 ConstantPoolCacheEntry* cpce = cpool->invokedynamic_cp_cache_entry_at(index); |
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321 bool is_resolved = !cpce->is_f1_null(); |
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322 if (is_resolved) { |
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323 // Get the invoker Method* from the constant pool. |
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324 // (The appendix argument, if any, will be noted in the method's signature.) |
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325 Method* adapter = cpce->f1_as_method(); |
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326 return methodHandle(adapter); |
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327 } |
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328 |
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329 return NULL; |
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330 } |
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331 |
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332 int holder_index = cpool->klass_ref_index_at(index); |
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333 bool holder_is_accessible; |
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334 KlassHandle holder = get_klass_by_index_impl(cpool, holder_index, holder_is_accessible, accessor); |
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335 |
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336 // Get the method's name and signature. |
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337 Symbol* name_sym = cpool->name_ref_at(index); |
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338 Symbol* sig_sym = cpool->signature_ref_at(index); |
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339 |
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340 if (cpool->has_preresolution() |
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341 || (holder() == SystemDictionary::MethodHandle_klass() && |
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342 MethodHandles::is_signature_polymorphic_name(holder(), name_sym))) { |
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343 // Short-circuit lookups for JSR 292-related call sites. |
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344 // That is, do not rely only on name-based lookups, because they may fail |
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345 // if the names are not resolvable in the boot class loader (7056328). |
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346 switch (bc) { |
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347 case Bytecodes::_invokevirtual: |
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348 case Bytecodes::_invokeinterface: |
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349 case Bytecodes::_invokespecial: |
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350 case Bytecodes::_invokestatic: |
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351 { |
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352 Method* m = ConstantPool::method_at_if_loaded(cpool, index); |
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353 if (m != NULL) { |
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354 return m; |
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355 } |
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356 } |
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357 break; |
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358 } |
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359 } |
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360 |
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361 if (holder_is_accessible) { // Our declared holder is loaded. |
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362 instanceKlassHandle lookup = get_instance_klass_for_declared_method_holder(holder); |
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363 methodHandle m = lookup_method(accessor, lookup, name_sym, sig_sym, bc); |
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364 if (!m.is_null() && |
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365 (bc == Bytecodes::_invokestatic |
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366 ? InstanceKlass::cast(m->method_holder())->is_not_initialized() |
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367 : !InstanceKlass::cast(m->method_holder())->is_loaded())) { |
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368 m = NULL; |
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369 } |
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370 if (!m.is_null()) { |
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371 // We found the method. |
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372 return m; |
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373 } |
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374 } |
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375 |
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376 // Either the declared holder was not loaded, or the method could |
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377 // not be found. |
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378 |
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379 return NULL; |
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380 } |
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381 |
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382 // ------------------------------------------------------------------ |
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383 instanceKlassHandle JVMCIEnv::get_instance_klass_for_declared_method_holder(KlassHandle& method_holder) { |
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384 // For the case of <array>.clone(), the method holder can be an ArrayKlass* |
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385 // instead of an InstanceKlass*. For that case simply pretend that the |
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386 // declared holder is Object.clone since that's where the call will bottom out. |
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387 if (method_holder->oop_is_instance()) { |
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388 return instanceKlassHandle(method_holder()); |
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389 } else if (method_holder->oop_is_array()) { |
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390 return instanceKlassHandle(SystemDictionary::Object_klass()); |
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391 } else { |
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392 ShouldNotReachHere(); |
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393 } |
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394 return NULL; |
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395 } |
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396 |
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397 |
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398 // ------------------------------------------------------------------ |
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399 methodHandle JVMCIEnv::get_method_by_index(constantPoolHandle& cpool, |
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400 int index, Bytecodes::Code bc, |
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401 instanceKlassHandle& accessor) { |
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402 ResourceMark rm; |
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403 return get_method_by_index_impl(cpool, index, bc, accessor); |
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404 } |
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405 |
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406 // ------------------------------------------------------------------ |
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407 // Check for changes to the system dictionary during compilation |
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408 // class loads, evolution, breakpoints |
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409 JVMCIEnv::CodeInstallResult JVMCIEnv::check_for_system_dictionary_modification(Dependencies* dependencies, Handle compiled_code, |
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410 JVMCIEnv* env, char** failure_detail) { |
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411 // If JVMTI capabilities were enabled during compile, the compilation is invalidated. |
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412 if (env != NULL) { |
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413 if (!env->_jvmti_can_hotswap_or_post_breakpoint && JvmtiExport::can_hotswap_or_post_breakpoint()) { |
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414 *failure_detail = (char*) "Hotswapping or breakpointing was enabled during compilation"; |
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415 return JVMCIEnv::dependencies_failed; |
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416 } |
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417 } |
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418 |
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419 // Dependencies must be checked when the system dictionary changes |
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420 // or if we don't know whether it has changed (i.e., env == NULL). |
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421 // In debug mode, always check dependencies. |
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|
422 bool counter_changed = env != NULL && env->_system_dictionary_modification_counter != SystemDictionary::number_of_modifications(); |
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|
423 bool verify_deps = env == NULL || trueInDebug || JavaAssertions::enabled(SystemDictionary::HotSpotInstalledCode_klass()->name()->as_C_string(), true); |
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424 if (!counter_changed && !verify_deps) { |
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425 return JVMCIEnv::ok; |
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426 } |
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427 |
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428 for (Dependencies::DepStream deps(dependencies); deps.next(); ) { |
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429 Klass* witness = deps.check_dependency(); |
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430 if (witness != NULL) { |
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431 // Use a fixed size buffer to prevent the string stream from |
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432 // resizing in the context of an inner resource mark. |
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433 char* buffer = NEW_RESOURCE_ARRAY(char, O_BUFLEN); |
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|
434 stringStream st(buffer, O_BUFLEN); |
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|
435 deps.print_dependency(witness, true, &st); |
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|
436 *failure_detail = st.as_string(); |
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|
437 if (env == NULL || counter_changed) { |
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438 return JVMCIEnv::dependencies_failed; |
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|
439 } else { |
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|
440 // The dependencies were invalid at the time of installation |
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441 // without any intervening modification of the system |
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442 // dictionary. That means they were invalidly constructed. |
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443 return JVMCIEnv::dependencies_invalid; |
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444 } |
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|
445 } |
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|
446 if (LogCompilation) { |
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|
447 deps.log_dependency(); |
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448 } |
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449 } |
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450 |
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451 return JVMCIEnv::ok; |
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452 } |
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453 |
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|
454 // ------------------------------------------------------------------ |
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|
455 JVMCIEnv::CodeInstallResult JVMCIEnv::register_method( |
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|
456 methodHandle& method, |
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added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
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|
457 nmethod*& nm, |
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|
458 int entry_bci, |
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Initial port of ciEnv to graalEnv.
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diff
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|
459 CodeOffsets* offsets, |
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Initial port of ciEnv to graalEnv.
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|
460 int orig_pc_offset, |
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Initial port of ciEnv to graalEnv.
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|
461 CodeBuffer* code_buffer, |
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Initial port of ciEnv to graalEnv.
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|
462 int frame_words, |
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diff
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|
463 OopMapSet* oop_map_set, |
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Initial port of ciEnv to graalEnv.
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parents:
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|
464 ExceptionHandlerTable* handler_table, |
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Initial port of ciEnv to graalEnv.
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465 AbstractCompiler* compiler, |
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Initial port of ciEnv to graalEnv.
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466 DebugInformationRecorder* debug_info, |
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Initial port of ciEnv to graalEnv.
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467 Dependencies* dependencies, |
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468 JVMCIEnv* env, |
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469 int compile_id, |
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Initial port of ciEnv to graalEnv.
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|
470 bool has_unsafe_access, |
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Track max live register value in reference map
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471 bool has_wide_vector, |
8215
b89a97928e72
Implement weak reference semantics for HotSpotInstalledCode in the default method installation case. Add new boolean[] array as parameter to the code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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472 Handle installed_code, |
19426
dd8989d5547f
provide more detail when Graal code installation fails due to a failed dependency check
Doug Simon <doug.simon@oracle.com>
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diff
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|
473 Handle compiled_code, |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
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|
474 Handle speculation_log) { |
21559
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475 JVMCI_EXCEPTION_CONTEXT; |
3690
f8d7ab42c479
Call NMethodSweeper::possibly_sweep() before registering a method.
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476 NMethodSweeper::possibly_sweep(); |
7089
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|
477 nm = NULL; |
14107
800057208a2c
enable C1 + Graal tiered
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478 int comp_level = CompLevel_full_optimization; |
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479 char* failure_detail = NULL; |
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480 JVMCIEnv::CodeInstallResult result; |
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481 { |
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Initial port of ciEnv to graalEnv.
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|
482 // To prevent compile queue updates. |
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Initial port of ciEnv to graalEnv.
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|
483 MutexLocker locker(MethodCompileQueue_lock, THREAD); |
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Initial port of ciEnv to graalEnv.
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484 |
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Initial port of ciEnv to graalEnv.
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485 // Prevent SystemDictionary::add_to_hierarchy from running |
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Initial port of ciEnv to graalEnv.
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486 // and invalidating our dependencies until we install this method. |
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Initial port of ciEnv to graalEnv.
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487 MutexLocker ml(Compile_lock); |
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Initial port of ciEnv to graalEnv.
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|
488 |
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Initial port of ciEnv to graalEnv.
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489 // Encode the dependencies now, so we can check them right away. |
cb1181db8bec
Initial port of ciEnv to graalEnv.
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|
490 dependencies->encode_content_bytes(); |
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Initial port of ciEnv to graalEnv.
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|
491 |
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Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
492 // Check for {class loads, evolution, breakpoints} during compilation |
19782
29916dcee0b8
Verify dependencies when assertions are enabled
Tom Rodriguez <tom.rodriguez@oracle.com>
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493 result = check_for_system_dictionary_modification(dependencies, compiled_code, env, &failure_detail); |
21559
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494 if (result != JVMCIEnv::ok) { |
3635
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Initial port of ciEnv to graalEnv.
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diff
changeset
|
495 // While not a true deoptimization, it is a preemptive decompile. |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
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|
496 MethodData* mdp = method()->method_data(); |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
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|
497 if (mdp != NULL) { |
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Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
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|
498 mdp->inc_decompile_count(); |
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
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parents:
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diff
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499 if (mdp->decompile_count() > (uint)PerMethodRecompilationCutoff) { |
5d0bb7d52783
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Doug Simon <doug.simon@oracle.com>
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diff
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|
500 // TODO (chaeubl) enable this in the fastdebug build only once we are more stable |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
501 ResourceMark m; |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
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|
502 tty->print_cr("WARN: endless recompilation of %s. Method was set to not compilable.", method()->name_and_sig_as_C_string()); |
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|
503 //ShouldNotReachHere(); |
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changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
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parents:
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|
504 } |
3635
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Initial port of ciEnv to graalEnv.
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|
505 } |
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Initial port of ciEnv to graalEnv.
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parents:
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|
506 |
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Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
507 // All buffers in the CodeBuffer are allocated in the CodeCache. |
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Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
508 // If the code buffer is created on each compile attempt |
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Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
509 // as in C2, then it must be freed. |
3664
6e1abd79e7c8
Register assumptions before anything else. Don't free code blob (it is reused).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3661
diff
changeset
|
510 //code_buffer->free_blob(); |
19487
fb38e004503c
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|
511 } else { |
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diff
changeset
|
512 ImplicitExceptionTable implicit_tbl; |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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|
513 nm = nmethod::new_nmethod(method, |
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diff
changeset
|
514 compile_id, |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
19426
diff
changeset
|
515 entry_bci, |
fb38e004503c
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diff
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|
516 offsets, |
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diff
changeset
|
517 orig_pc_offset, |
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parents:
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diff
changeset
|
518 debug_info, dependencies, code_buffer, |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
519 frame_words, oop_map_set, |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
520 handler_table, &implicit_tbl, |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
521 compiler, comp_level, installed_code, speculation_log); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
522 |
19487
fb38e004503c
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diff
changeset
|
523 // Free codeBlobs |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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diff
changeset
|
524 //code_buffer->free_blob(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
525 if (nm == NULL) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
526 // The CodeCache is full. Print out warning and disable compilation. |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
527 { |
fb38e004503c
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Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
528 MutexUnlocker ml(Compile_lock); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
529 MutexUnlocker locker(MethodCompileQueue_lock); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
530 CompileBroker::handle_full_code_cache(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
531 } |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
532 } else { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
533 nm->set_has_unsafe_access(has_unsafe_access); |
21731
df9d2375512a
Track max live register value in reference map
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
21559
diff
changeset
|
534 nm->set_has_wide_vectors(has_wide_vector); |
19487
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
535 |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
536 // Record successful registration. |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
537 // (Put nm into the task handle *before* publishing to the Java heap.) |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
538 CompileTask* task = env == NULL ? NULL : env->task(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
539 if (task != NULL) task->set_code(nm); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
540 |
19487
fb38e004503c
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Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
541 if (installed_code->is_a(HotSpotNmethod::klass()) && HotSpotNmethod::isDefault(installed_code())) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
542 if (entry_bci == InvocationEntryBci) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
543 if (TieredCompilation) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
544 // If there is an old version we're done with it |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
545 nmethod* old = method->code(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
546 if (TraceMethodReplacement && old != NULL) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
547 ResourceMark rm; |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
548 char *method_name = method->name_and_sig_as_C_string(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
549 tty->print_cr("Replacing method %s", method_name); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
550 } |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
551 if (old != NULL ) { |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
552 old->make_not_entrant(); |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
553 } |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
554 } |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
Doug Simon <doug.simon@oracle.com>
parents:
19426
diff
changeset
|
555 if (TraceNMethodInstalls) { |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
556 ResourceMark rm; |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
557 char *method_name = method->name_and_sig_as_C_string(); |
19487
fb38e004503c
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parents:
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diff
changeset
|
558 ttyLocker ttyl; |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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diff
changeset
|
559 tty->print_cr("Installing method (%d) %s [entry point: %p]", |
fb38e004503c
moved creation of String for detailed dependency failure message outside of no safepoint region
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parents:
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diff
changeset
|
560 comp_level, |
fb38e004503c
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Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
561 method_name, nm->entry_point()); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
562 } |
19487
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diff
changeset
|
563 // Allow the code to be executed |
fb38e004503c
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diff
changeset
|
564 method->set_code(method, nm); |
fb38e004503c
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diff
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|
565 } else { |
fb38e004503c
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parents:
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diff
changeset
|
566 if (TraceNMethodInstalls ) { |
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567 ResourceMark rm; |
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568 char *method_name = method->name_and_sig_as_C_string(); |
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569 ttyLocker ttyl; |
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570 tty->print_cr("Installing osr method (%d) %s @ %d", |
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571 comp_level, |
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572 method_name, |
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573 entry_bci); |
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574 } |
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575 InstanceKlass::cast(method->method_holder())->add_osr_nmethod(nm); |
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576 } |
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577 } |
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578 } |
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579 result = nm != NULL ? JVMCIEnv::ok :JVMCIEnv::cache_full; |
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580 } |
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581 } |
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582 |
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583 // String creation must be done outside lock |
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584 if (failure_detail != NULL) { |
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585 // A failure to allocate the string is silently ignored. |
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586 Handle message = java_lang_String::create_from_str(failure_detail, THREAD); |
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587 HotSpotCompiledNmethod::set_installationFailureMessage(compiled_code, message()); |
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588 } |
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589 |
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590 // JVMTI -- compiled method notification (must be done outside lock) |
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591 if (nm != NULL) { |
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592 nm->post_compiled_method_load_event(); |
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593 } |
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594 |
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595 return result; |
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596 } |
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597 |