Mercurial > hg > graal-compiler

annotate src/share/vm/interpreter/linkResolver.cpp @ 12356:359f7e70ae7f

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Reduce HotSpot diff and fix previous merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 11 Oct 2013 15:41:33 +0200
parents 36b97be47bde
children 096c224171c4
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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3 *
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4 * This code is free software; you can redistribute it and/or modify it
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5 * under the terms of the GNU General Public License version 2 only, as
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6 * published by the Free Software Foundation.
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7 *
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8 * This code is distributed in the hope that it will be useful, but WITHOUT
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9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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11 * version 2 for more details (a copy is included in the LICENSE file that
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12 * accompanied this code).
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13 *
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14 * You should have received a copy of the GNU General Public License version
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15 * 2 along with this work; if not, write to the Free Software Foundation,
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16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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17 *
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18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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19 * or visit www.oracle.com if you need additional information or have any
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20 * questions.
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21 *
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22 */
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23
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24 #include "precompiled.hpp"
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25 #include "classfile/defaultMethods.hpp"
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26 #include "classfile/systemDictionary.hpp"
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27 #include "classfile/vmSymbols.hpp"
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28 #include "compiler/compileBroker.hpp"
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29 #include "gc_interface/collectedHeap.inline.hpp"
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30 #include "interpreter/bytecode.hpp"
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31 #include "interpreter/interpreterRuntime.hpp"
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32 #include "interpreter/linkResolver.hpp"
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33 #include "memory/resourceArea.hpp"
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34 #include "memory/universe.inline.hpp"
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35 #include "oops/instanceKlass.hpp"
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36 #include "oops/objArrayOop.hpp"
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37 #include "prims/methodHandles.hpp"
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38 #include "prims/nativeLookup.hpp"
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39 #include "runtime/compilationPolicy.hpp"
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40 #include "runtime/fieldDescriptor.hpp"
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41 #include "runtime/frame.inline.hpp"
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42 #include "runtime/handles.inline.hpp"
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43 #include "runtime/reflection.hpp"
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44 #include "runtime/signature.hpp"
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45 #include "runtime/thread.inline.hpp"
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46 #include "runtime/vmThread.hpp"
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47
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48
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49 //------------------------------------------------------------------------------------------------------------------------
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50 // Implementation of CallInfo
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51
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52
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53 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) {
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54 int vtable_index = Method::nonvirtual_vtable_index;
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55 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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56 }
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57
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58
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59 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) {
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60 // This is only called for interface methods. If the resolved_method
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61 // comes from java/lang/Object, it can be the subject of a virtual call, so
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62 // we should pick the vtable index from the resolved method.
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63 // In that case, the caller must call set_virtual instead of set_interface.
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64 assert(resolved_method->method_holder()->is_interface(), "");
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65 assert(itable_index == resolved_method()->itable_index(), "");
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66 set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
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67 }
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68
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69 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) {
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70 assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index");
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71 assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), "");
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72 CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call);
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73 set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, vtable_index, CHECK);
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74 assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call");
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75 }
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76
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77 void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) {
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78 if (resolved_method.is_null()) {
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79 THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null");
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80 }
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81 KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass();
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82 assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic ||
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83 resolved_method->is_compiled_lambda_form(),
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84 "linkMethod must return one of these");
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85 int vtable_index = Method::nonvirtual_vtable_index;
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86 assert(!resolved_method->has_vtable_index(), "");
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87 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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88 _resolved_appendix = resolved_appendix;
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89 _resolved_method_type = resolved_method_type;
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90 }
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91
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92 void CallInfo::set_common(KlassHandle resolved_klass,
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93 KlassHandle selected_klass,
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94 methodHandle resolved_method,
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95 methodHandle selected_method,
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96 CallKind kind,
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97 int index,
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98 TRAPS) {
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99 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond");
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100 _resolved_klass = resolved_klass;
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101 _selected_klass = selected_klass;
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102 _resolved_method = resolved_method;
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103 _selected_method = selected_method;
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104 _call_kind = kind;
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105 _call_index = index;
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106 _resolved_appendix = Handle();
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107 DEBUG_ONLY(verify()); // verify before making side effects
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108
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109 if (CompilationPolicy::must_be_compiled(selected_method)) {
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110 // This path is unusual, mostly used by the '-Xcomp' stress test mode.
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111
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112 // Note: with several active threads, the must_be_compiled may be true
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113 // while can_be_compiled is false; remove assert
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114 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
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115 if (THREAD->is_Compiler_thread()) {
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116 // don't force compilation, resolve was on behalf of compiler
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117 return;
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118 }
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119 if (selected_method->method_holder()->is_not_initialized()) {
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120 // 'is_not_initialized' means not only '!is_initialized', but also that
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121 // initialization has not been started yet ('!being_initialized')
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122 // Do not force compilation of methods in uninitialized classes.
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123 // Note that doing this would throw an assert later,
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124 // in CompileBroker::compile_method.
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125 // We sometimes use the link resolver to do reflective lookups
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126 // even before classes are initialized.
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127 return;
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128 }
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129 CompileBroker::compile_method(selected_method, InvocationEntryBci,
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130 CompilationPolicy::policy()->initial_compile_level(),
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131 methodHandle(), 0, "must_be_compiled", CHECK);
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132 }
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133 }
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134
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135 // utility query for unreflecting a method
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136 CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) {
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137 Klass* resolved_method_holder = resolved_method->method_holder();
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138 if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st
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139 resolved_klass = resolved_method_holder;
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140 }
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141 _resolved_klass = resolved_klass;
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142 _selected_klass = resolved_klass;
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143 _resolved_method = resolved_method;
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144 _selected_method = resolved_method;
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145 // classify:
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146 CallKind kind = CallInfo::unknown_kind;
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147 int index = resolved_method->vtable_index();
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148 if (resolved_method->can_be_statically_bound()) {
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149 kind = CallInfo::direct_call;
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150 } else if (!resolved_method_holder->is_interface()) {
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151 // Could be an Object method inherited into an interface, but still a vtable call.
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152 kind = CallInfo::vtable_call;
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153 } else if (!resolved_klass->is_interface()) {
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154 // A miranda method. Compute the vtable index.
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155 ResourceMark rm;
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156 klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable();
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157 index = vt->index_of_miranda(resolved_method->name(),
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158 resolved_method->signature());
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159 kind = CallInfo::vtable_call;
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160 } else {
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161 // A regular interface call.
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162 kind = CallInfo::itable_call;
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163 index = resolved_method->itable_index();
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164 }
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165 assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index));
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166 _call_kind = kind;
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167 _call_index = index;
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168 _resolved_appendix = Handle();
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169 DEBUG_ONLY(verify());
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170 }
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171
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172 #ifdef ASSERT
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173 void CallInfo::verify() {
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174 switch (call_kind()) { // the meaning and allowed value of index depends on kind
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175 case CallInfo::direct_call:
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176 if (_call_index == Method::nonvirtual_vtable_index) break;
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177 // else fall through to check vtable index:
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178 case CallInfo::vtable_call:
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179 assert(resolved_klass()->verify_vtable_index(_call_index), "");
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180 break;
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181 case CallInfo::itable_call:
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182 assert(resolved_method()->method_holder()->verify_itable_index(_call_index), "");
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183 break;
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184 case CallInfo::unknown_kind:
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185 assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set");
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186 break;
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187 default:
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188 fatal(err_msg_res("Unexpected call kind %d", call_kind()));
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189 }
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190 }
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191 #endif //ASSERT
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192
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193
0
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194
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195 //------------------------------------------------------------------------------------------------------------------------
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196 // Klass resolution
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197
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198 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) {
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199 if (!Reflection::verify_class_access(ref_klass(),
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200 sel_klass(),
0
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201 true)) {
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202 ResourceMark rm(THREAD);
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203 Exceptions::fthrow(
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204 THREAD_AND_LOCATION,
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205 vmSymbols::java_lang_IllegalAccessError(),
0
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206 "tried to access class %s from class %s",
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207 sel_klass->external_name(),
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208 ref_klass->external_name()
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209 );
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210 return;
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211 }
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212 }
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213
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214 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
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215 Klass* result_oop = pool->klass_ref_at(index, CHECK);
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216 result = KlassHandle(THREAD, result_oop);
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217 }
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218
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219 //------------------------------------------------------------------------------------------------------------------------
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220 // Method resolution
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221 //
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222 // According to JVM spec. $5.4.3c & $5.4.3d
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223
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224 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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225 Method* result_oop = klass->uncached_lookup_method(name, signature);
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226 if (EnableInvokeDynamic && result_oop != NULL) {
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227 vmIntrinsics::ID iid = result_oop->intrinsic_id();
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228 if (MethodHandles::is_signature_polymorphic(iid)) {
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229 // Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
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230 return;
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231 }
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232 }
0
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233 result = methodHandle(THREAD, result_oop);
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234 }
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235
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236 // returns first instance method
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237 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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238 Method* result_oop = klass->uncached_lookup_method(name, signature);
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239 result = methodHandle(THREAD, result_oop);
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240 while (!result.is_null() && result->is_static()) {
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070d523b96a7 8001471: Klass::cast() does nothing
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241 klass = KlassHandle(THREAD, result->method_holder()->super());
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242 result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature));
0
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243 }
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244 }
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245
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246
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diff changeset
247 int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
0
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248 ResourceMark rm(THREAD);
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249 klassVtable *vt = InstanceKlass::cast(klass())->vtable();
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250 return vt->index_of_miranda(name, signature);
0
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251 }
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252
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253 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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254 InstanceKlass *ik = InstanceKlass::cast(klass());
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diff changeset
255 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature));
0
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256 }
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257
6266
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258 void LinkResolver::lookup_polymorphic_method(methodHandle& result,
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259 KlassHandle klass, Symbol* name, Symbol* full_signature,
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260 KlassHandle current_klass,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
261 Handle *appendix_result_or_null,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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diff changeset
262 Handle *method_type_result,
6266
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diff changeset
263 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
264 vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
diff changeset
265 if (TraceMethodHandles) {
9082
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diff changeset
266 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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267 tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s",
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
268 vmIntrinsics::name_at(iid), klass->external_name(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
269 name->as_C_string(), full_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
270 }
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
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parents: 2359
diff changeset
271 if (EnableInvokeDynamic &&
1507
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parents: 1142
diff changeset
272 klass() == SystemDictionary::MethodHandle_klass() &&
6266
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twisti
parents: 3960
diff changeset
273 iid != vmIntrinsics::_none) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
274 if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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275 // Most of these do not need an up-call to Java to resolve, so can be done anywhere.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
276 // Do not erase last argument type (MemberName) if it is a static linkTo method.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
277 bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
278 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
279 MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
280 if (TraceMethodHandles) {
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
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diff changeset
281 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
282 tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
283 name->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
284 full_signature->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
285 basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
286 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
287 result = SystemDictionary::find_method_handle_intrinsic(iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
288 basic_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
289 CHECK);
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diff changeset
290 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
291 assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
292 assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
293 assert(basic_signature == result->signature(), "predict the result signature");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
294 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
295 tty->print("lookup_polymorphic_method => intrinsic ");
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diff changeset
296 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
297 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
298 return;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
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diff changeset
299 }
6266
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diff changeset
300 } else if (iid == vmIntrinsics::_invokeGeneric
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
301 && !THREAD->is_Compiler_thread()
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
302 && appendix_result_or_null != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
303 // This is a method with type-checking semantics.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
304 // We will ask Java code to spin an adapter method for it.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
305 if (!MethodHandles::enabled()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
306 // Make sure the Java part of the runtime has been booted up.
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diff changeset
307 Klass* natives = SystemDictionary::MethodHandleNatives_klass();
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diff changeset
308 if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
309 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
310 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
311 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
312 true,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
313 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
314 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
315 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
316
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
317 Handle appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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diff changeset
318 Handle method_type;
6266
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diff changeset
319 result = SystemDictionary::find_method_handle_invoker(name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
320 full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
321 current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
322 &appendix,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
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diff changeset
323 &method_type,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
324 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
325 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
326 tty->print("lookup_polymorphic_method => (via Java) ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
327 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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328 tty->print(" lookup_polymorphic_method => appendix = ");
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parents: 3960
diff changeset
329 if (appendix.is_null()) tty->print_cr("(none)");
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diff changeset
330 else appendix->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
331 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
332 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
333 #ifdef ASSERT
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
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334 ResourceMark rm(THREAD);
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
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335
6266
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336 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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337 MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
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338 int actual_size_of_params = result->size_of_parameters();
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twisti
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339 int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
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340 // +1 for MethodHandle.this, +1 for trailing MethodType
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twisti
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341 if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1;
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342 if (appendix.not_null()) expected_size_of_params += 1;
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twisti
parents: 3960
diff changeset
343 if (actual_size_of_params != expected_size_of_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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344 tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string());
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345 tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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346 result->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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347 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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348 assert(actual_size_of_params == expected_size_of_params,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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349 err_msg("%d != %d", actual_size_of_params, expected_size_of_params));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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350 #endif //ASSERT
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351
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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352 assert(appendix_result_or_null != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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353 (*appendix_result_or_null) = appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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354 (*method_type_result) = method_type;
6266
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355 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
356 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
357 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
358 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
359 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
360
0
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parents:
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361 void LinkResolver::check_method_accessability(KlassHandle ref_klass,
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362 KlassHandle resolved_klass,
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parents:
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363 KlassHandle sel_klass,
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parents:
diff changeset
364 methodHandle sel_method,
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parents:
diff changeset
365 TRAPS) {
a61af66fc99e Initial load
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366
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367 AccessFlags flags = sel_method->access_flags();
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368
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parents:
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369 // Special case: arrays always override "clone". JVMS 2.15.
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parents:
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370 // If the resolved klass is an array class, and the declaring class
a61af66fc99e Initial load
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parents:
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371 // is java.lang.Object and the method is "clone", set the flags
a61af66fc99e Initial load
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parents:
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372 // to public.
a61af66fc99e Initial load
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parents:
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373 //
a61af66fc99e Initial load
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parents:
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374 // We'll check for the method name first, as that's most likely
a61af66fc99e Initial load
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parents:
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375 // to be false (so we'll short-circuit out of these tests).
a61af66fc99e Initial load
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parents:
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376 if (sel_method->name() == vmSymbols::clone_name() &&
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
never
parents: 1135
diff changeset
377 sel_klass() == SystemDictionary::Object_klass() &&
0
a61af66fc99e Initial load
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parents:
diff changeset
378 resolved_klass->oop_is_array()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
379 // We need to change "protected" to "public".
a61af66fc99e Initial load
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parents:
diff changeset
380 assert(flags.is_protected(), "clone not protected?");
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parents:
diff changeset
381 jint new_flags = flags.as_int();
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parents:
diff changeset
382 new_flags = new_flags & (~JVM_ACC_PROTECTED);
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parents:
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383 new_flags = new_flags | JVM_ACC_PUBLIC;
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parents:
diff changeset
384 flags.set_flags(new_flags);
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parents:
diff changeset
385 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents: 3960
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386 // assert(extra_arg_result_or_null != NULL, "must be able to return extra argument");
0
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parents:
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387
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
388 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
389 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
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390 sel_klass(),
0
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duke
parents:
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391 flags,
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parents:
diff changeset
392 true)) {
a61af66fc99e Initial load
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parents:
diff changeset
393 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
394 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
395 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
396 vmSymbols::java_lang_IllegalAccessError(),
0
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parents:
diff changeset
397 "tried to access method %s.%s%s from class %s",
a61af66fc99e Initial load
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parents:
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398 sel_klass->external_name(),
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parents:
diff changeset
399 sel_method->name()->as_C_string(),
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duke
parents:
diff changeset
400 sel_method->signature()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
401 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
402 );
a61af66fc99e Initial load
duke
parents:
diff changeset
403 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
404 }
a61af66fc99e Initial load
duke
parents:
diff changeset
405 }
a61af66fc99e Initial load
duke
parents:
diff changeset
406
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
407 void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
408 Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
409 // This method is used only
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
410 // (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call),
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
411 // and
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
412 // (2) in Bytecode_invoke::static_target
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
413 // It appears to fail when applied to an invokeinterface call site.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
414 // FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
415 // resolve klass
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
416 if (code == Bytecodes::_invokedynamic) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
417 resolved_klass = SystemDictionary::MethodHandle_klass();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
418 Symbol* method_name = vmSymbols::invoke_name();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
419 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
420 KlassHandle current_klass(THREAD, pool->pool_holder());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
421 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
422 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
423 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
424
0
a61af66fc99e Initial load
duke
parents:
diff changeset
425 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
426
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
427 Symbol* method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
428 Symbol* method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
429 KlassHandle current_klass(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
430
3461
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
431 if (pool->has_preresolution()
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
432 || (resolved_klass() == SystemDictionary::MethodHandle_klass() &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
433 MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
434 Method* result_oop = ConstantPool::method_at_if_loaded(pool, index);
3461
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
435 if (result_oop != NULL) {
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
436 resolved_method = methodHandle(THREAD, result_oop);
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
437 return;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
438 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
439 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
440
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
441 if (code == Bytecodes::_invokeinterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
442 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
443 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
444 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
445 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
446 }
a61af66fc99e Initial load
duke
parents:
diff changeset
447
a61af66fc99e Initial load
duke
parents:
diff changeset
448 void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
449 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
450 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
451
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
452 Handle nested_exception;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
453
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
454 // 1. lookup method in resolved klass and its super klasses
0
a61af66fc99e Initial load
duke
parents:
diff changeset
455 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
456
a61af66fc99e Initial load
duke
parents:
diff changeset
457 if (resolved_method.is_null()) { // not found in the class hierarchy
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
458 // 2. lookup method in all the interfaces implemented by the resolved klass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
459 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
460
a61af66fc99e Initial load
duke
parents:
diff changeset
461 if (resolved_method.is_null()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
462 // JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
463 lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
464 current_klass, (Handle*)NULL, (Handle*)NULL, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
465 if (HAS_PENDING_EXCEPTION) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
466 nested_exception = Handle(THREAD, PENDING_EXCEPTION);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
467 CLEAR_PENDING_EXCEPTION;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
468 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
469 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
470
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
471 if (resolved_method.is_null()) {
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
472 // 3. method lookup failed
0
a61af66fc99e Initial load
duke
parents:
diff changeset
473 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
474 THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
475 Method::name_and_sig_as_C_string(resolved_klass(),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
476 method_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
477 method_signature),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
478 nested_exception);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
479 }
a61af66fc99e Initial load
duke
parents:
diff changeset
480 }
a61af66fc99e Initial load
duke
parents:
diff changeset
481
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
482 // 4. check if klass is not interface
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
483 if (resolved_klass->is_interface() && resolved_method->is_abstract()) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
484 ResourceMark rm(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
485 char buf[200];
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
486 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
487 resolved_klass()->external_name());
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
488 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
489 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
490
0
a61af66fc99e Initial load
duke
parents:
diff changeset
491 // 5. check if method is concrete
a61af66fc99e Initial load
duke
parents:
diff changeset
492 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
493 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
494 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
495 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
496 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
497 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
498 }
a61af66fc99e Initial load
duke
parents:
diff changeset
499
a61af66fc99e Initial load
duke
parents:
diff changeset
500 // 6. access checks, access checking may be turned off when calling from within the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
501 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
502 assert(current_klass.not_null() , "current_klass should not be null");
a61af66fc99e Initial load
duke
parents:
diff changeset
503
a61af66fc99e Initial load
duke
parents:
diff changeset
504 // check if method can be accessed by the referring class
a61af66fc99e Initial load
duke
parents:
diff changeset
505 check_method_accessability(current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
506 resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
507 KlassHandle(THREAD, resolved_method->method_holder()),
a61af66fc99e Initial load
duke
parents:
diff changeset
508 resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
509 CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
510
a61af66fc99e Initial load
duke
parents:
diff changeset
511 // check loader constraints
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
512 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
513 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
514 {
a61af66fc99e Initial load
duke
parents:
diff changeset
515 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
516 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
517 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
518 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
519 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
520 const char* msg = "loader constraint violation: when resolving method"
a61af66fc99e Initial load
duke
parents:
diff changeset
521 " \"%s\" the class loader (instance of %s) of the current class, %s,"
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
522 " and the class loader (instance of %s) for the method's defining class, %s, have"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
523 " different Class objects for the type %s used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
524 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
525 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
526 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
527 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
528 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
529 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
530 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
531 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
532 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
533 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
534 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
535 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
536 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
537 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
538 }
a61af66fc99e Initial load
duke
parents:
diff changeset
539 }
a61af66fc99e Initial load
duke
parents:
diff changeset
540 }
a61af66fc99e Initial load
duke
parents:
diff changeset
541 }
a61af66fc99e Initial load
duke
parents:
diff changeset
542
a61af66fc99e Initial load
duke
parents:
diff changeset
543 void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
544 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
545 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
546 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
547 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
548 bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
549
a61af66fc99e Initial load
duke
parents:
diff changeset
550 // check if klass is interface
a61af66fc99e Initial load
duke
parents:
diff changeset
551 if (!resolved_klass->is_interface()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
552 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
553 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
554 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
555 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
556 }
a61af66fc99e Initial load
duke
parents:
diff changeset
557
a61af66fc99e Initial load
duke
parents:
diff changeset
558 // lookup method in this interface or its super, java.lang.Object
a61af66fc99e Initial load
duke
parents:
diff changeset
559 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
560
a61af66fc99e Initial load
duke
parents:
diff changeset
561 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
562 // lookup method in all the super-interfaces
a61af66fc99e Initial load
duke
parents:
diff changeset
563 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
564 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
565 // no method found
a61af66fc99e Initial load
duke
parents:
diff changeset
566 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
567 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
568 Method::name_and_sig_as_C_string(resolved_klass(),
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
569 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
570 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
571 }
a61af66fc99e Initial load
duke
parents:
diff changeset
572 }
a61af66fc99e Initial load
duke
parents:
diff changeset
573
a61af66fc99e Initial load
duke
parents:
diff changeset
574 if (check_access) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
575 // JDK8 adds non-public interface methods, and accessability check requirement
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
576 assert(current_klass.not_null() , "current_klass should not be null");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
577
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
578 // check if method can be accessed by the referring class
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
579 check_method_accessability(current_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
580 resolved_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
581 KlassHandle(THREAD, resolved_method->method_holder()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
582 resolved_method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
583 CHECK);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
584
0
a61af66fc99e Initial load
duke
parents:
diff changeset
585 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
586 Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
587 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
588 {
a61af66fc99e Initial load
duke
parents:
diff changeset
589 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
590 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
591 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
592 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
593 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
594 const char* msg = "loader constraint violation: when resolving "
a61af66fc99e Initial load
duke
parents:
diff changeset
595 "interface method \"%s\" the class loader (instance of %s) of the "
a61af66fc99e Initial load
duke
parents:
diff changeset
596 "current class, %s, and the class loader (instance of %s) for "
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
597 "the method's defining class, %s, have different Class objects for the type %s "
0
a61af66fc99e Initial load
duke
parents:
diff changeset
598 "used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
599 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
600 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
601 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
602 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
603 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
604 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
605 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
606 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
607 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
608 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
609 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
610 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
611 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
612 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
613 }
a61af66fc99e Initial load
duke
parents:
diff changeset
614 }
a61af66fc99e Initial load
duke
parents:
diff changeset
615 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
616
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
617 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
618 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
619 tty->print("invokeinterface resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
620 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
621 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
622 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
623 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
624 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
625 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
626 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
627 resolved_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
628 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
629 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
630 }
a61af66fc99e Initial load
duke
parents:
diff changeset
631
a61af66fc99e Initial load
duke
parents:
diff changeset
632 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
633 // Field resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
634
a61af66fc99e Initial load
duke
parents:
diff changeset
635 void LinkResolver::check_field_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
636 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
637 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
638 fieldDescriptor& fd,
a61af66fc99e Initial load
duke
parents:
diff changeset
639 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
640 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
641 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
642 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
643 fd.access_flags(),
a61af66fc99e Initial load
duke
parents:
diff changeset
644 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
645 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
646 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
647 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
648 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
649 "tried to access field %s.%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
650 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
651 fd.name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
652 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
653 );
a61af66fc99e Initial load
duke
parents:
diff changeset
654 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
655 }
a61af66fc99e Initial load
duke
parents:
diff changeset
656 }
a61af66fc99e Initial load
duke
parents:
diff changeset
657
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
658 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
12356
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
659 resolve_field_access(result, pool, index, byte, true, true, THREAD);
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
660 }
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
661
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
662 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_access, bool initialize_class, TRAPS) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
663 // Load these early in case the resolve of the containing klass fails
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
664 Symbol* field = pool->name_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
665 Symbol* sig = pool->signature_ref_at(index);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
666
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
667 // resolve specified klass
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
668 KlassHandle resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
669 resolve_klass(resolved_klass, pool, index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
670
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
671 KlassHandle current_klass(THREAD, pool->pool_holder());
12356
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
672 resolve_field(result, resolved_klass, field, sig, current_klass, byte, check_access, initialize_class, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
673 }
a61af66fc99e Initial load
duke
parents:
diff changeset
674
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
675 void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
676 KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
677 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
678 assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
679 byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
680 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
681
a61af66fc99e Initial load
duke
parents:
diff changeset
682 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
683 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
684
a61af66fc99e Initial load
duke
parents:
diff changeset
685 // Check if there's a resolved klass containing the field
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
686 if (resolved_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
687 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
688 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
689 }
a61af66fc99e Initial load
duke
parents:
diff changeset
690
a61af66fc99e Initial load
duke
parents:
diff changeset
691 // Resolve instance field
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
692 KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
693 // check if field exists; i.e., if a klass containing the field def has been selected
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
694 if (sel_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
695 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
696 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
697 }
a61af66fc99e Initial load
duke
parents:
diff changeset
698
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
699 if (!check_access)
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
700 // Access checking may be turned off when calling from within the VM.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
701 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
702
0
a61af66fc99e Initial load
duke
parents:
diff changeset
703 // check access
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
704 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
705
a61af66fc99e Initial load
duke
parents:
diff changeset
706 // check for errors
a61af66fc99e Initial load
duke
parents:
diff changeset
707 if (is_static != fd.is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
708 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
709 char msg[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
710 jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", resolved_klass()->external_name(), fd.name()->as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
711 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg);
a61af66fc99e Initial load
duke
parents:
diff changeset
712 }
a61af66fc99e Initial load
duke
parents:
diff changeset
713
a61af66fc99e Initial load
duke
parents:
diff changeset
714 // Final fields can only be accessed from its own class.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
715 if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
716 THROW(vmSymbols::java_lang_IllegalAccessError());
a61af66fc99e Initial load
duke
parents:
diff changeset
717 }
a61af66fc99e Initial load
duke
parents:
diff changeset
718
a61af66fc99e Initial load
duke
parents:
diff changeset
719 // initialize resolved_klass if necessary
a61af66fc99e Initial load
duke
parents:
diff changeset
720 // note 1: the klass which declared the field must be initialized (i.e, sel_klass)
a61af66fc99e Initial load
duke
parents:
diff changeset
721 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99)
a61af66fc99e Initial load
duke
parents:
diff changeset
722 //
a61af66fc99e Initial load
duke
parents:
diff changeset
723 // note 2: we don't want to force initialization if we are just checking
a61af66fc99e Initial load
duke
parents:
diff changeset
724 // if the field access is legal; e.g., during compilation
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
725 if (is_static && initialize_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
726 sel_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
727 }
a61af66fc99e Initial load
duke
parents:
diff changeset
728
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
729 if (sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
730 HandleMark hm(THREAD);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
731 Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
732 Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
733 {
a61af66fc99e Initial load
duke
parents:
diff changeset
734 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
735 Symbol* failed_type_symbol =
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
736 SystemDictionary::check_signature_loaders(sig,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
737 ref_loader, sel_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
738 false,
a61af66fc99e Initial load
duke
parents:
diff changeset
739 CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
740 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
741 const char* msg = "loader constraint violation: when resolving field"
a61af66fc99e Initial load
duke
parents:
diff changeset
742 " \"%s\" the class loader (instance of %s) of the referring class, "
a61af66fc99e Initial load
duke
parents:
diff changeset
743 "%s, and the class loader (instance of %s) for the field's resolved "
a61af66fc99e Initial load
duke
parents:
diff changeset
744 "type, %s, have different Class objects for that type";
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
745 char* field_name = field->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
746 const char* loader1 = SystemDictionary::loader_name(ref_loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
747 char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
748 const char* loader2 = SystemDictionary::loader_name(sel_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
749 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
750 size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
751 strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
752 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
753 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
a61af66fc99e Initial load
duke
parents:
diff changeset
754 failed_type_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
755 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
756 }
a61af66fc99e Initial load
duke
parents:
diff changeset
757 }
a61af66fc99e Initial load
duke
parents:
diff changeset
758 }
a61af66fc99e Initial load
duke
parents:
diff changeset
759
a61af66fc99e Initial load
duke
parents:
diff changeset
760 // return information. note that the klass is set to the actual klass containing the
a61af66fc99e Initial load
duke
parents:
diff changeset
761 // field, otherwise access of static fields in superclasses will not work.
a61af66fc99e Initial load
duke
parents:
diff changeset
762 }
a61af66fc99e Initial load
duke
parents:
diff changeset
763
a61af66fc99e Initial load
duke
parents:
diff changeset
764
a61af66fc99e Initial load
duke
parents:
diff changeset
765 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
766 // Invoke resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
767 //
a61af66fc99e Initial load
duke
parents:
diff changeset
768 // Naming conventions:
a61af66fc99e Initial load
duke
parents:
diff changeset
769 //
a61af66fc99e Initial load
duke
parents:
diff changeset
770 // resolved_method the specified method (i.e., static receiver specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
771 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class)
a61af66fc99e Initial load
duke
parents:
diff changeset
772 // resolved_klass the specified klass (i.e., specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
773 // recv_klass the receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
774
a61af66fc99e Initial load
duke
parents:
diff changeset
775
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
776 void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
777 Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
778 bool check_access, bool initialize_class, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
779 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
780 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
781 resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
782
a61af66fc99e Initial load
duke
parents:
diff changeset
783 // Initialize klass (this should only happen if everything is ok)
a61af66fc99e Initial load
duke
parents:
diff changeset
784 if (initialize_class && resolved_klass->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
785 resolved_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
786 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
787 }
a61af66fc99e Initial load
duke
parents:
diff changeset
788
a61af66fc99e Initial load
duke
parents:
diff changeset
789 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
790 result.set_static(resolved_klass, resolved_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
791 }
a61af66fc99e Initial load
duke
parents:
diff changeset
792
a61af66fc99e Initial load
duke
parents:
diff changeset
793 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
794 void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
795 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
796 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
797
a61af66fc99e Initial load
duke
parents:
diff changeset
798 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
799 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
800
a61af66fc99e Initial load
duke
parents:
diff changeset
801 // check if static
a61af66fc99e Initial load
duke
parents:
diff changeset
802 if (!resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
803 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
804 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
805 jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
806 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
807 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
808 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
809 }
a61af66fc99e Initial load
duke
parents:
diff changeset
810 }
a61af66fc99e Initial load
duke
parents:
diff changeset
811
a61af66fc99e Initial load
duke
parents:
diff changeset
812
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
813 void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
814 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
815 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
816 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
817 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
818 }
a61af66fc99e Initial load
duke
parents:
diff changeset
819
a61af66fc99e Initial load
duke
parents:
diff changeset
820 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
821 void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
822 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
823 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
824
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
825 // Invokespecial is called for multiple special reasons:
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
826 // <init>
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
827 // local private method invocation, for classes and interfaces
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
828 // superclass.method, which can also resolve to a default method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
829 // and the selected method is recalculated relative to the direct superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
830 // superinterface.method, which explicitly does not check shadowing
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
831
0
a61af66fc99e Initial load
duke
parents:
diff changeset
832 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
833
a61af66fc99e Initial load
duke
parents:
diff changeset
834 // check if method name is <init>, that it is found in same klass as static type
a61af66fc99e Initial load
duke
parents:
diff changeset
835 if (resolved_method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
836 resolved_method->method_holder() != resolved_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
837 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
838 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
839 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
840 vmSymbols::java_lang_NoSuchMethodError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
841 "%s: method %s%s not found",
a61af66fc99e Initial load
duke
parents:
diff changeset
842 resolved_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
843 resolved_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
844 resolved_method->signature()->as_C_string()
a61af66fc99e Initial load
duke
parents:
diff changeset
845 );
a61af66fc99e Initial load
duke
parents:
diff changeset
846 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
847 }
a61af66fc99e Initial load
duke
parents:
diff changeset
848
a61af66fc99e Initial load
duke
parents:
diff changeset
849 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
850 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
851 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
852 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
853 jio_snprintf(buf, sizeof(buf),
a61af66fc99e Initial load
duke
parents:
diff changeset
854 "Expecting non-static method %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
855 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
856 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
857 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
858 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
859 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
860 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
861 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
862 tty->print("invokespecial resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
863 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
864 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
865 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
866 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
867 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
868 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
869 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
870 resolved_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
871 if (resolved_method->method_holder()->is_interface() &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
872 !resolved_method->is_abstract()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
873 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
874 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
875 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
876 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
877 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
878 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
879 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
880 }
a61af66fc99e Initial load
duke
parents:
diff changeset
881
a61af66fc99e Initial load
duke
parents:
diff changeset
882 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
883 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
884 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
885
a61af66fc99e Initial load
duke
parents:
diff changeset
886 // resolved method is selected method unless we have an old-style lookup
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
887 // for a superclass method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
888 // Invokespecial for a superinterface, resolved method is selected method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
889 // no checks for shadowing
0
a61af66fc99e Initial load
duke
parents:
diff changeset
890 methodHandle sel_method(THREAD, resolved_method());
a61af66fc99e Initial load
duke
parents:
diff changeset
891
a61af66fc99e Initial load
duke
parents:
diff changeset
892 // check if this is an old-style super call and do a new lookup if so
a61af66fc99e Initial load
duke
parents:
diff changeset
893 { KlassHandle method_klass = KlassHandle(THREAD,
a61af66fc99e Initial load
duke
parents:
diff changeset
894 resolved_method->method_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
895
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
896 if (check_access &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
897 // a) check if ACC_SUPER flag is set for the current class
8702
77443715ec55 8001307: Modify ACC_SUPER behavior
kamg
parents: 6822
diff changeset
898 (current_klass->is_super() || !AllowNonVirtualCalls) &&
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
899 // b) check if the class of the resolved_klass is a superclass
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
900 // (not supertype in order to exclude interface classes) of the current class.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
901 // This check is not performed for super.invoke for interface methods
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
902 // in super interfaces.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
903 current_klass->is_subclass_of(resolved_klass()) &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
904 current_klass() != resolved_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
905 // c) check if the method is not <init>
a61af66fc99e Initial load
duke
parents:
diff changeset
906 resolved_method->name() != vmSymbols::object_initializer_name()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
907 // Lookup super method
a61af66fc99e Initial load
duke
parents:
diff changeset
908 KlassHandle super_klass(THREAD, current_klass->super());
a61af66fc99e Initial load
duke
parents:
diff changeset
909 lookup_instance_method_in_klasses(sel_method, super_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
910 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
911 resolved_method->signature(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
912 // check if found
a61af66fc99e Initial load
duke
parents:
diff changeset
913 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
914 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
915 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
916 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
917 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
918 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
919 }
a61af66fc99e Initial load
duke
parents:
diff changeset
920 }
a61af66fc99e Initial load
duke
parents:
diff changeset
921 }
a61af66fc99e Initial load
duke
parents:
diff changeset
922
a61af66fc99e Initial load
duke
parents:
diff changeset
923 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
924 if (sel_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
925 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
926 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
927 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
928 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
929 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
930 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
931 }
a61af66fc99e Initial load
duke
parents:
diff changeset
932
a61af66fc99e Initial load
duke
parents:
diff changeset
933 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
934 if (sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
935 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
936 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
937 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
938 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
939 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
940 }
a61af66fc99e Initial load
duke
parents:
diff changeset
941
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
942 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
943 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
944 tty->print("invokespecial selected method: resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
945 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
946 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
947 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
948 sel_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
949 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
950 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
951 sel_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
952 if (sel_method->method_holder()->is_interface() &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
953 !sel_method->is_abstract()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
954 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
955 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
956 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
957 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
958
0
a61af66fc99e Initial load
duke
parents:
diff changeset
959 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
960 result.set_static(resolved_klass, sel_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
961 }
a61af66fc99e Initial load
duke
parents:
diff changeset
962
a61af66fc99e Initial load
duke
parents:
diff changeset
963 void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
964 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
965 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
966 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
967 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
968 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
969 }
a61af66fc99e Initial load
duke
parents:
diff changeset
970
a61af66fc99e Initial load
duke
parents:
diff changeset
971 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
972 void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
973 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
974 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
975 // normal method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
976 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
977
a61af66fc99e Initial load
duke
parents:
diff changeset
978 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
979 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
980
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
981 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
982 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
983 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
984 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
985 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokevirtual: method %s, caller-class:%s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
986 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
987 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
988 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
989 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
990 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
991 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
992
0
a61af66fc99e Initial load
duke
parents:
diff changeset
993 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
994 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
995 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
996 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
997 jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
998 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
999 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1001 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1002
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1003 if (PrintVtables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1004 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1005 tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1006 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1007 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1008 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1009 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1010 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1011 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1012 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1013 resolved_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1014 if (resolved_method->method_holder()->is_interface() &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1015 !resolved_method->is_abstract()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1016 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1017 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1018 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1019 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1020 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1021 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1022 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1024
a61af66fc99e Initial load
duke
parents:
diff changeset
1025 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1026 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
a61af66fc99e Initial load
duke
parents:
diff changeset
1027 methodHandle resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
1028 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1029 Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1030 KlassHandle recv_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1031 bool check_null_and_abstract,
a61af66fc99e Initial load
duke
parents:
diff changeset
1032 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1033
a61af66fc99e Initial load
duke
parents:
diff changeset
1034 // setup default return values
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1035 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1036 methodHandle selected_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1037
a61af66fc99e Initial load
duke
parents:
diff changeset
1038 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1039
a61af66fc99e Initial load
duke
parents:
diff changeset
1040 // runtime method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1041 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1042 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1043 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1044
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1045 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1046 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since
a61af66fc99e Initial load
duke
parents:
diff changeset
1047 // a missing receiver might result in a bogus lookup.
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6934
diff changeset
1048 assert(resolved_method->method_holder()->is_linked(), "must be linked");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1049
a61af66fc99e Initial load
duke
parents:
diff changeset
1050 // do lookup based on receiver klass using the vtable index
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1051 if (resolved_method->method_holder()->is_interface()) { // miranda method
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1052 vtable_index = vtable_index_of_miranda_method(resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1053 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1054 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1055
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
a61af66fc99e Initial load
duke
parents:
diff changeset
1057
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1058 InstanceKlass* inst = InstanceKlass::cast(recv_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1059 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1060 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1061 // at this point we are sure that resolved_method is virtual and not
a61af66fc99e Initial load
duke
parents:
diff changeset
1062 // a miranda method; therefore, it must have a valid vtable index.
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1063 assert(!resolved_method->has_itable_index(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1064 vtable_index = resolved_method->vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 // We could get a negative vtable_index for final methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
1066 // because as an optimization they are they are never put in the vtable,
a61af66fc99e Initial load
duke
parents:
diff changeset
1067 // unless they override an existing method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1068 // If we do get a negative, it means the resolved method is the the selected
a61af66fc99e Initial load
duke
parents:
diff changeset
1069 // method, and it can never be changed by an override.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1070 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1071 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
1072 selected_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1073 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1074 // recv_klass might be an arrayKlassOop but all vtables start at
a61af66fc99e Initial load
duke
parents:
diff changeset
1075 // the same place. The cast is to avoid virtual call and assertion.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1076 InstanceKlass* inst = (InstanceKlass*)recv_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1077 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1078 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1079 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1080
a61af66fc99e Initial load
duke
parents:
diff changeset
1081 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1082 if (selected_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1083 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1084 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1085 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1086 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1087 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1088 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1089
a61af66fc99e Initial load
duke
parents:
diff changeset
1090 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1091 if (check_null_and_abstract && selected_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1092 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1093 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1094 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1095 selected_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 selected_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1098
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1099 if (PrintVtables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1100 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1101 tty->print("invokevirtual selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, vtable_index:%d, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1102 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1103 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1104 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1105 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1106 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1107 selected_method->method_holder()->internal_name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1108 vtable_index
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1109 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1110 selected_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1111 if (selected_method->method_holder()->is_interface() &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1112 !selected_method->is_abstract()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1113 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1114 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1115 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1116 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1117 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1118 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1119 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1121 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1122 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1123
a61af66fc99e Initial load
duke
parents:
diff changeset
1124 void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1125 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1126 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1130 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1131
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 // throws linktime exceptions
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1133 void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1134 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1135 // normal interface method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1137
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1139 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1141
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1143 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1144 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1146 if (check_null_and_abstract && recv.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1148 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1149
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1150 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1151 if (resolved_klass->is_interface() && resolved_method->is_private()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1152 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1153 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1154 jio_snprintf(buf, sizeof(buf), "private interface method requires invokespecial, not invokeinterface: method %s",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1155 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1156 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1157 resolved_method->signature()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1158 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1159 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1160
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 // check if receiver klass implements the resolved interface
a61af66fc99e Initial load
duke
parents:
diff changeset
1162 if (!recv_klass->is_subtype_of(resolved_klass())) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1163 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1166 recv_klass()->external_name(),
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1167 resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1168 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1169 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1170 // do lookup based on receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1171 methodHandle sel_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1172 lookup_instance_method_in_klasses(sel_method, recv_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1173 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1174 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1175 if (sel_method.is_null() && !check_null_and_abstract) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1176 // In theory this is a harmless placeholder value, but
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1177 // in practice leaving in null affects the nsk default method tests.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1178 // This needs further study.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1179 sel_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1180 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1181 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1182 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1183 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1184 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1185 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1186 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1187 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 }
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1189 // check access
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1190 // Throw Illegal Access Error if sel_method is not public.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1191 if (!sel_method->is_public()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1192 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1193 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1194 Method::name_and_sig_as_C_string(recv_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1195 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1196 sel_method->signature()));
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1197 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1198
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1199 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1200 if (check_null_and_abstract && sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1201 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1202 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1203 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1204 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1205 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1207 // setup result
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1208 if (!resolved_method->has_itable_index()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1209 int vtable_index = resolved_method->vtable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1210 assert(vtable_index == sel_method->vtable_index(), "sanity check");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1211 result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1212 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1213 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1214 int itable_index = resolved_method()->itable_index();
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1215
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1216 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1217 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1218 tty->print("invokeinterface selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1219 (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1220 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1221 Method::name_and_sig_as_C_string(resolved_klass(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1222 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1223 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1224 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1225 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1226 sel_method->access_flags().print_on(tty);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1227 if (sel_method->method_holder()->is_interface() &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1228 !sel_method->is_abstract()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1229 tty->print("default");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1230 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1231 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1232 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1233 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1234 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1235 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1236 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1237 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1238
a61af66fc99e Initial load
duke
parents:
diff changeset
1239
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1241 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1242 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1243 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1244 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1245 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1246 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1247 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1248 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1249 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1252 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1255 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1256
a61af66fc99e Initial load
duke
parents:
diff changeset
1257 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1259 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1260 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1261 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1262 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1263 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1264 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1265 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1266 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1267 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1268 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1269 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1270 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1272 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1273
a61af66fc99e Initial load
duke
parents:
diff changeset
1274 methodHandle LinkResolver::resolve_virtual_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1275 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1276 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1277 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1278 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1279 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1280 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1281 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1282 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1283 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1284 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1285 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1286 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1287 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1288 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1289
a61af66fc99e Initial load
duke
parents:
diff changeset
1290 methodHandle LinkResolver::resolve_interface_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1291 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1292 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1293 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1294 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1295 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1296 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1297 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1298 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1299 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1300 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1301 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1304 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1305
a61af66fc99e Initial load
duke
parents:
diff changeset
1306 int LinkResolver::resolve_virtual_vtable_index(
a61af66fc99e Initial load
duke
parents:
diff changeset
1307 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1308 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1309 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1310 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1311 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1314 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1315 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1316 CLEAR_PENDING_EXCEPTION;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1317 return Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1318 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 return info.vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1320 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1321
a61af66fc99e Initial load
duke
parents:
diff changeset
1322 methodHandle LinkResolver::resolve_static_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1323 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1324 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1325 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1327 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1328 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1329 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1330 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1331 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1332 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1333 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1334 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1335 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1336
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1337 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1338 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1339 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1340 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1341 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1342 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1343 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1344 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1345 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1346 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1347 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1348
a61af66fc99e Initial load
duke
parents:
diff changeset
1349
a61af66fc99e Initial load
duke
parents:
diff changeset
1350
a61af66fc99e Initial load
duke
parents:
diff changeset
1351 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1352 // ConstantPool entries
a61af66fc99e Initial load
duke
parents:
diff changeset
1353
a61af66fc99e Initial load
duke
parents:
diff changeset
1354 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1355 switch (byte) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1356 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1357 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1358 case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1359 case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break;
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1360 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1361 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1362 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1363 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1364 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1365
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1366 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1367 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1368 // resolve klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1370
a61af66fc99e Initial load
duke
parents:
diff changeset
1371 // Get name, signature, and static klass
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1372 method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1373 method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1374 current_klass = KlassHandle(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1375 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1376
a61af66fc99e Initial load
duke
parents:
diff changeset
1377
a61af66fc99e Initial load
duke
parents:
diff changeset
1378 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1380 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1381 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1382 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1383 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1385 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1386
a61af66fc99e Initial load
duke
parents:
diff changeset
1387
a61af66fc99e Initial load
duke
parents:
diff changeset
1388 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1389 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1390 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1391 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1392 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1393 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1394 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1395 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1396
a61af66fc99e Initial load
duke
parents:
diff changeset
1397
a61af66fc99e Initial load
duke
parents:
diff changeset
1398 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1399 constantPoolHandle pool, int index,
a61af66fc99e Initial load
duke
parents:
diff changeset
1400 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1401
a61af66fc99e Initial load
duke
parents:
diff changeset
1402 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1403 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1404 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1405 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1406 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1407 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1409 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1410
a61af66fc99e Initial load
duke
parents:
diff changeset
1411
a61af66fc99e Initial load
duke
parents:
diff changeset
1412 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1413 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1414 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1415 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1416 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1417 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1418 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1420 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1421
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1422
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1423 void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1424 assert(EnableInvokeDynamic, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1425 // This guy is reached from InterpreterRuntime::resolve_invokehandle.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1426 KlassHandle resolved_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1427 Symbol* method_name = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1428 Symbol* method_signature = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1429 KlassHandle current_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1430 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1431 if (TraceMethodHandles) {
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1432 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1433 tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string());
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1434 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1435 resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1436 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1437
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1438 void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1439 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1440 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1441 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1442 // JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1443 assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1444 assert(MethodHandles::is_signature_polymorphic_name(method_name), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1445 methodHandle resolved_method;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1446 Handle resolved_appendix;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1447 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1448 lookup_polymorphic_method(resolved_method, resolved_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1449 method_name, method_signature,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1450 current_klass, &resolved_appendix, &resolved_method_type, CHECK);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1451 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1452 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1453
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1454
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1455 void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1456 assert(EnableInvokeDynamic, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1457
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1458 //resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1459 Symbol* method_name = pool->name_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1460 Symbol* method_signature = pool->signature_ref_at(index);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1461 KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1462
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1463 // Resolve the bootstrap specifier (BSM + optional arguments).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1464 Handle bootstrap_specifier;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1465 // Check if CallSite has been bound already:
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1466 ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1467 if (cpce->is_f1_null()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1468 int pool_index = cpce->constant_pool_index();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1469 oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1470 assert(bsm_info != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1471 // FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1472 bootstrap_specifier = Handle(THREAD, bsm_info);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1473 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1474 if (!cpce->is_f1_null()) {
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1475 methodHandle method( THREAD, cpce->f1_as_method());
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1476 Handle appendix( THREAD, cpce->appendix_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1477 Handle method_type(THREAD, cpce->method_type_if_resolved(pool));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1478 result.set_handle(method, appendix, method_type, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1479 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1480 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1481
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1482 if (TraceMethodHandles) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1483 ResourceMark rm(THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1484 tty->print_cr("resolve_invokedynamic #%d %s %s",
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1485 ConstantPool::decode_invokedynamic_index(index),
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1486 method_name->as_C_string(), method_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1487 tty->print(" BSM info: "); bootstrap_specifier->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1488 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1489
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1490 resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1491 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1492
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1493 void LinkResolver::resolve_dynamic_call(CallInfo& result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1494 Handle bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1495 Symbol* method_name, Symbol* method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1496 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1497 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1498 // JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1499 // The appendix argument is likely to be a freshly-created CallSite.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1500 Handle resolved_appendix;
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1501 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1502 methodHandle resolved_method =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1503 SystemDictionary::find_dynamic_call_site_invoker(current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1504 bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1505 method_name, method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1506 &resolved_appendix,
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1507 &resolved_method_type,
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1508 THREAD);
3417
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1509 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1510 if (TraceMethodHandles) {
12316
190899198332 7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents: 12264
diff changeset
1511 tty->print_cr("invokedynamic throws BSME for "INTPTR_FORMAT, (void *)PENDING_EXCEPTION);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1512 PENDING_EXCEPTION->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1513 }
3417
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1514 if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) {
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1515 // throw these guys, since they are already wrapped
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1516 return;
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1517 }
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1518 if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1519 // intercept only LinkageErrors which might have failed to wrap
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1520 return;
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1521 }
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1522 // See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1523 Handle nested_exception(THREAD, PENDING_EXCEPTION);
3417
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1524 CLEAR_PENDING_EXCEPTION;
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1525 THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception)
3417
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1526 }
6822
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
1527 result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1528 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1529
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1530 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1531 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1532
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1533 void CallInfo::print() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1534 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1535 const char* kindstr = "unknown";
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1536 switch (_call_kind) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1537 case direct_call: kindstr = "direct"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1538 case vtable_call: kindstr = "vtable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1539 case itable_call: kindstr = "itable"; break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1540 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1541 tty->print_cr("Call %s@%d %s", kindstr, _call_index,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1542 _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1543 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1544
a61af66fc99e Initial load
duke
parents:
diff changeset
1545 #endif