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annotate src/share/vm/interpreter/linkResolver.cpp @ 17524:89152779163c

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Merge with jdk8-b132
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 15 Oct 2014 11:59:32 +0200
parents a20be10ad437
children 52b4284cb496
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1 /*
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "classfile/defaultMethods.hpp"
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27 #include "classfile/systemDictionary.hpp"
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28 #include "classfile/vmSymbols.hpp"
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29 #include "compiler/compileBroker.hpp"
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30 #include "gc_interface/collectedHeap.inline.hpp"
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31 #include "interpreter/bytecode.hpp"
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32 #include "interpreter/interpreterRuntime.hpp"
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33 #include "interpreter/linkResolver.hpp"
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34 #include "memory/resourceArea.hpp"
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35 #include "memory/universe.inline.hpp"
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36 #include "oops/instanceKlass.hpp"
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37 #include "oops/objArrayOop.hpp"
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38 #include "prims/methodHandles.hpp"
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39 #include "prims/nativeLookup.hpp"
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40 #include "runtime/compilationPolicy.hpp"
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41 #include "runtime/fieldDescriptor.hpp"
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42 #include "runtime/frame.inline.hpp"
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43 #include "runtime/handles.inline.hpp"
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44 #include "runtime/reflection.hpp"
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45 #include "runtime/signature.hpp"
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46 #include "runtime/thread.inline.hpp"
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47 #include "runtime/vmThread.hpp"
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50 //------------------------------------------------------------------------------------------------------------------------
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51 // Implementation of CallInfo
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52
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53
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54 void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) {
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55 int vtable_index = Method::nonvirtual_vtable_index;
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56 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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57 }
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58
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59
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60 void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) {
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61 // This is only called for interface methods. If the resolved_method
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62 // comes from java/lang/Object, it can be the subject of a virtual call, so
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63 // we should pick the vtable index from the resolved method.
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64 // In that case, the caller must call set_virtual instead of set_interface.
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65 assert(resolved_method->method_holder()->is_interface(), "");
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66 assert(itable_index == resolved_method()->itable_index(), "");
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67 set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
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68 }
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69
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70 void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) {
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71 assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index");
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72 assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), "");
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73 CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call);
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74 set_common(resolved_klass, selected_klass, resolved_method, selected_method, kind, vtable_index, CHECK);
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75 assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call");
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76 }
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77
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78 void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) {
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79 if (resolved_method.is_null()) {
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80 THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null");
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81 }
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82 KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass();
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83 assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic ||
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84 resolved_method->is_compiled_lambda_form(),
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85 "linkMethod must return one of these");
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86 int vtable_index = Method::nonvirtual_vtable_index;
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87 assert(!resolved_method->has_vtable_index(), "");
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88 set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
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89 _resolved_appendix = resolved_appendix;
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90 _resolved_method_type = resolved_method_type;
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91 }
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92
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93 void CallInfo::set_common(KlassHandle resolved_klass,
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94 KlassHandle selected_klass,
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95 methodHandle resolved_method,
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96 methodHandle selected_method,
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97 CallKind kind,
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98 int index,
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99 TRAPS) {
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100 assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond");
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101 _resolved_klass = resolved_klass;
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102 _selected_klass = selected_klass;
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103 _resolved_method = resolved_method;
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104 _selected_method = selected_method;
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105 _call_kind = kind;
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106 _call_index = index;
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107 _resolved_appendix = Handle();
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108 DEBUG_ONLY(verify()); // verify before making side effects
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109
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110 if (CompilationPolicy::must_be_compiled(selected_method)) {
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111 // This path is unusual, mostly used by the '-Xcomp' stress test mode.
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112
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113 // Note: with several active threads, the must_be_compiled may be true
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114 // while can_be_compiled is false; remove assert
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115 // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
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116 if (!THREAD->can_call_java()) {
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117 // don't force compilation, resolve was on behalf of compiler
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118 return;
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119 }
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120 if (selected_method->method_holder()->is_not_initialized()) {
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121 // 'is_not_initialized' means not only '!is_initialized', but also that
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122 // initialization has not been started yet ('!being_initialized')
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123 // Do not force compilation of methods in uninitialized classes.
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124 // Note that doing this would throw an assert later,
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125 // in CompileBroker::compile_method.
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126 // We sometimes use the link resolver to do reflective lookups
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127 // even before classes are initialized.
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128 return;
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129 }
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130 CompileBroker::compile_method(selected_method, InvocationEntryBci,
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131 CompilationPolicy::policy()->initial_compile_level(),
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132 methodHandle(), 0, "must_be_compiled", CHECK);
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133 }
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134 }
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135
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136 // utility query for unreflecting a method
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137 CallInfo::CallInfo(Method* resolved_method, Klass* resolved_klass) {
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138 Klass* resolved_method_holder = resolved_method->method_holder();
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139 if (resolved_klass == NULL) { // 2nd argument defaults to holder of 1st
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140 resolved_klass = resolved_method_holder;
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141 }
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142 _resolved_klass = resolved_klass;
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143 _selected_klass = resolved_klass;
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144 _resolved_method = resolved_method;
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145 _selected_method = resolved_method;
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146 // classify:
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147 CallKind kind = CallInfo::unknown_kind;
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148 int index = resolved_method->vtable_index();
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149 if (resolved_method->can_be_statically_bound()) {
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150 kind = CallInfo::direct_call;
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151 } else if (!resolved_method_holder->is_interface()) {
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152 // Could be an Object method inherited into an interface, but still a vtable call.
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153 kind = CallInfo::vtable_call;
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154 } else if (!resolved_klass->is_interface()) {
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155 // A default or miranda method. Compute the vtable index.
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156 ResourceMark rm;
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157 klassVtable* vt = InstanceKlass::cast(resolved_klass)->vtable();
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158 index = LinkResolver::vtable_index_of_interface_method(resolved_klass,
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159 resolved_method);
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160 assert(index >= 0 , "we should have valid vtable index at this point");
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161
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162 kind = CallInfo::vtable_call;
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163 } else if (resolved_method->has_vtable_index()) {
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164 // Can occur if an interface redeclares a method of Object.
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165
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166 #ifdef ASSERT
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167 // Ensure that this is really the case.
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168 KlassHandle object_klass = SystemDictionary::Object_klass();
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169 Method * object_resolved_method = object_klass()->vtable()->method_at(index);
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170 assert(object_resolved_method->name() == resolved_method->name(),
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171 err_msg("Object and interface method names should match at vtable index %d, %s != %s",
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172 index, object_resolved_method->name()->as_C_string(), resolved_method->name()->as_C_string()));
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173 assert(object_resolved_method->signature() == resolved_method->signature(),
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174 err_msg("Object and interface method signatures should match at vtable index %d, %s != %s",
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175 index, object_resolved_method->signature()->as_C_string(), resolved_method->signature()->as_C_string()));
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176 #endif // ASSERT
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177
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178 kind = CallInfo::vtable_call;
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179 } else {
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180 // A regular interface call.
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181 kind = CallInfo::itable_call;
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182 index = resolved_method->itable_index();
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183 }
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184 assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index));
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185 _call_kind = kind;
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186 _call_index = index;
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187 _resolved_appendix = Handle();
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188 DEBUG_ONLY(verify());
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189 }
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190
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191 #ifdef ASSERT
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192 void CallInfo::verify() {
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193 switch (call_kind()) { // the meaning and allowed value of index depends on kind
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194 case CallInfo::direct_call:
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195 if (_call_index == Method::nonvirtual_vtable_index) break;
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196 // else fall through to check vtable index:
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197 case CallInfo::vtable_call:
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198 assert(resolved_klass()->verify_vtable_index(_call_index), "");
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199 break;
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200 case CallInfo::itable_call:
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201 assert(resolved_method()->method_holder()->verify_itable_index(_call_index), "");
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202 break;
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diff changeset
203 case CallInfo::unknown_kind:
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204 assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set");
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205 break;
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diff changeset
206 default:
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207 fatal(err_msg_res("Unexpected call kind %d", call_kind()));
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208 }
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209 }
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diff changeset
210 #endif //ASSERT
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211
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212
0
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213
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214 //------------------------------------------------------------------------------------------------------------------------
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215 // Klass resolution
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216
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217 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) {
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coleenp
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218 if (!Reflection::verify_class_access(ref_klass(),
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coleenp
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219 sel_klass(),
0
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220 true)) {
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221 ResourceMark rm(THREAD);
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222 Exceptions::fthrow(
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223 THREAD_AND_LOCATION,
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coleenp
parents: 1972
diff changeset
224 vmSymbols::java_lang_IllegalAccessError(),
0
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225 "tried to access class %s from class %s",
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226 sel_klass->external_name(),
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227 ref_klass->external_name()
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228 );
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229 return;
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230 }
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231 }
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232
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233 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
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234 Klass* result_oop = pool->klass_ref_at(index, CHECK);
0
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235 result = KlassHandle(THREAD, result_oop);
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236 }
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237
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238 //------------------------------------------------------------------------------------------------------------------------
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239 // Method resolution
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240 //
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241 // According to JVM spec. $5.4.3c & $5.4.3d
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242
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243 // Look up method in klasses, including static methods
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acorn
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244 // Then look up local default methods
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hseigel
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diff changeset
245 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS) {
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coleenp
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246 Method* result_oop = klass->uncached_lookup_method(name, signature);
13436
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hseigel
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247
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
248 // JDK 8, JVMS 5.4.3.4: Interface method resolution should
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
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249 // ignore static and non-public methods of java.lang.Object,
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
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diff changeset
250 // like clone, finalize, registerNatives.
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
251 if (in_imethod_resolve &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
252 result_oop != NULL &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
253 klass->is_interface() &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
254 (result_oop->is_static() || !result_oop->is_public()) &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
255 result_oop->method_holder() == SystemDictionary::Object_klass()) {
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
256 result_oop = NULL;
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
257 }
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
258
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acorn
parents: 12318
diff changeset
259 if (result_oop == NULL) {
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acorn
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diff changeset
260 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
261 if (default_methods != NULL) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
262 result_oop = InstanceKlass::find_method(default_methods, name, signature);
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acorn
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diff changeset
263 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
264 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
265
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
266 if (checkpolymorphism && EnableInvokeDynamic && result_oop != NULL) {
6266
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twisti
parents: 3960
diff changeset
267 vmIntrinsics::ID iid = result_oop->intrinsic_id();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
268 if (MethodHandles::is_signature_polymorphic(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
269 // Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
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jrose
parents: 1142
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270 return;
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jrose
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diff changeset
271 }
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272 }
0
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273 result = methodHandle(THREAD, result_oop);
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274 }
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275
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276 // returns first instance method
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277 // Looks up method in classes, then looks up local default methods
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coleenp
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278 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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coleenp
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279 Method* result_oop = klass->uncached_lookup_method(name, signature);
0
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280 result = methodHandle(THREAD, result_oop);
12934
d248425bcfe8 8024804: Crash when InterfaceMethodref resolves to Object.registerNatives
hseigel
parents: 12858
diff changeset
281 while (!result.is_null() && result->is_static() && result->method_holder()->super() != NULL) {
13414
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acorn
parents: 13413
diff changeset
282 KlassHandle super_klass = KlassHandle(THREAD, result->method_holder()->super());
379f11bc04fc 8028438: static superclass method masks default methods
acorn
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283 result = methodHandle(THREAD, super_klass->uncached_lookup_method(name, signature));
0
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284 }
12823
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acorn
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diff changeset
285
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
286 if (result.is_null()) {
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acorn
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diff changeset
287 Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
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acorn
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diff changeset
288 if (default_methods != NULL) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
289 result = methodHandle(InstanceKlass::find_method(default_methods, name, signature));
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
290 assert(result.is_null() || !result->is_static(), "static defaults not allowed");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
291 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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292 }
0
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293 }
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294
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diff changeset
295 int LinkResolver::vtable_index_of_interface_method(KlassHandle klass,
13055
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acorn
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diff changeset
296 methodHandle resolved_method) {
0
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297
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298 int vtable_index = Method::invalid_vtable_index;
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299 Symbol* name = resolved_method->name();
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acorn
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300 Symbol* signature = resolved_method->signature();
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acorn
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diff changeset
301
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
302 // First check in default method array
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
303 if (!resolved_method->is_abstract() &&
12823
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acorn
parents: 12318
diff changeset
304 (InstanceKlass::cast(klass())->default_methods() != NULL)) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
305 int index = InstanceKlass::find_method_index(InstanceKlass::cast(klass())->default_methods(), name, signature);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
306 if (index >= 0 ) {
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acorn
parents: 12318
diff changeset
307 vtable_index = InstanceKlass::cast(klass())->default_vtable_indices()->at(index);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
308 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
309 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
310 if (vtable_index == Method::invalid_vtable_index) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
311 // get vtable_index for miranda methods
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
312 ResourceMark rm;
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
313 klassVtable *vt = InstanceKlass::cast(klass())->vtable();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
314 vtable_index = vt->index_of_miranda(name, signature);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
315 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
316 return vtable_index;
0
a61af66fc99e Initial load
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parents:
diff changeset
317 }
a61af66fc99e Initial load
duke
parents:
diff changeset
318
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
319 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
320 InstanceKlass *ik = InstanceKlass::cast(klass());
17524
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
321
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
322 // Specify 'true' in order to skip default methods when searching the
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
323 // interfaces. Function lookup_method_in_klasses() already looked for
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
324 // the method in the default methods table.
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
325 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature, true));
0
a61af66fc99e Initial load
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parents:
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326 }
a61af66fc99e Initial load
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parents:
diff changeset
327
6266
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twisti
parents: 3960
diff changeset
328 void LinkResolver::lookup_polymorphic_method(methodHandle& result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
329 KlassHandle klass, Symbol* name, Symbol* full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
330 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
331 Handle *appendix_result_or_null,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 6729
diff changeset
332 Handle *method_type_result,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
333 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
334 vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
335 if (TraceMethodHandles) {
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
336 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
337 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
twisti
parents: 3960
diff changeset
338 vmIntrinsics::name_at(iid), klass->external_name(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
339 name->as_C_string(), full_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
340 }
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
twisti
parents: 2359
diff changeset
341 if (EnableInvokeDynamic &&
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1142
diff changeset
342 klass() == SystemDictionary::MethodHandle_klass() &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
343 iid != vmIntrinsics::_none) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
344 if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
345 // 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
parents: 3960
diff changeset
346 // 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
twisti
parents: 3960
diff changeset
347 bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
348 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
349 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
twisti
parents: 3960
diff changeset
350 if (TraceMethodHandles) {
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
351 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
352 tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
353 name->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
354 full_signature->as_C_string(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
355 basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
356 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
357 result = SystemDictionary::find_method_handle_intrinsic(iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
358 basic_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
359 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
360 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
361 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
parents: 3960
diff changeset
362 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
twisti
parents: 3960
diff changeset
363 assert(basic_signature == result->signature(), "predict the result signature");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
364 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
365 tty->print("lookup_polymorphic_method => intrinsic ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
366 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
367 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
368 return;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 1552
diff changeset
369 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
370 } else if (iid == vmIntrinsics::_invokeGeneric
15463
a20be10ad437 made Graal work with the HotSpot compiler queue and compiler threads, enabled by -XX:-UseGraalCompilationQueue
Doug Simon <doug.simon@oracle.com>
parents: 14909
diff changeset
371 && THREAD->can_call_java()
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
372 && appendix_result_or_null != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
373 // This is a method with type-checking semantics.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
374 // 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
twisti
parents: 3960
diff changeset
375 if (!MethodHandles::enabled()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
376 // Make sure the Java part of the runtime has been booted up.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
377 Klass* natives = SystemDictionary::MethodHandleNatives_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
378 if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
379 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
380 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
381 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
382 true,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
383 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
384 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
385 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
386
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
387 Handle 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
388 Handle method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
389 result = SystemDictionary::find_method_handle_invoker(name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
390 full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
391 current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
392 &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
393 &method_type,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
394 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
395 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
396 tty->print("lookup_polymorphic_method => (via Java) ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
397 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
398 tty->print(" lookup_polymorphic_method => appendix = ");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
399 if (appendix.is_null()) tty->print_cr("(none)");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
400 else appendix->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
401 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
402 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
403 #ifdef ASSERT
9082
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
404 ResourceMark rm(THREAD);
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
405
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
406 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
407 MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
408 int actual_size_of_params = result->size_of_parameters();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
409 int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
410 // +1 for MethodHandle.this, +1 for trailing MethodType
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
411 if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
412 if (appendix.not_null()) expected_size_of_params += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
413 if (actual_size_of_params != expected_size_of_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
414 tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
415 tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
416 result->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
417 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
418 assert(actual_size_of_params == expected_size_of_params,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
419 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
parents: 3960
diff changeset
420 #endif //ASSERT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
421
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
422 assert(appendix_result_or_null != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
423 (*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
twisti
parents: 6729
diff changeset
424 (*method_type_result) = method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
425 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
426 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
427 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
428 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
429 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
430
0
a61af66fc99e Initial load
duke
parents:
diff changeset
431 void LinkResolver::check_method_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
432 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
433 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
434 methodHandle sel_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
435 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
436
a61af66fc99e Initial load
duke
parents:
diff changeset
437 AccessFlags flags = sel_method->access_flags();
a61af66fc99e Initial load
duke
parents:
diff changeset
438
13436
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
439 // Special case: arrays always override "clone". JVMS 2.15.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
440 // If the resolved klass is an array class, and the declaring class
a61af66fc99e Initial load
duke
parents:
diff changeset
441 // is java.lang.Object and the method is "clone", set the flags
a61af66fc99e Initial load
duke
parents:
diff changeset
442 // to public.
a61af66fc99e Initial load
duke
parents:
diff changeset
443 //
13436
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
444 // We'll check for the method name first, as that's most likely
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
445 // to be false (so we'll short-circuit out of these tests).
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
446 if (sel_method->name() == vmSymbols::clone_name() &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
447 sel_klass() == SystemDictionary::Object_klass() &&
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
448 resolved_klass->oop_is_array()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
449 // We need to change "protected" to "public".
13436
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
450 assert(flags.is_protected(), "clone not protected?");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
451 jint new_flags = flags.as_int();
a61af66fc99e Initial load
duke
parents:
diff changeset
452 new_flags = new_flags & (~JVM_ACC_PROTECTED);
a61af66fc99e Initial load
duke
parents:
diff changeset
453 new_flags = new_flags | JVM_ACC_PUBLIC;
a61af66fc99e Initial load
duke
parents:
diff changeset
454 flags.set_flags(new_flags);
a61af66fc99e Initial load
duke
parents:
diff changeset
455 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
456 // assert(extra_arg_result_or_null != NULL, "must be able to return extra argument");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
457
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
458 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
459 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
460 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
461 flags,
a61af66fc99e Initial load
duke
parents:
diff changeset
462 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
463 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
464 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
465 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
466 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
467 "tried to access method %s.%s%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
468 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
469 sel_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
470 sel_method->signature()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
471 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
472 );
a61af66fc99e Initial load
duke
parents:
diff changeset
473 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
474 }
a61af66fc99e Initial load
duke
parents:
diff changeset
475 }
a61af66fc99e Initial load
duke
parents:
diff changeset
476
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
477 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
478 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
479 // This method is used only
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
480 // (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
481 // and
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
482 // (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
483 // 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
484 // FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
485 // resolve klass
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
486 if (code == Bytecodes::_invokedynamic) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
487 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
488 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
489 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
490 KlassHandle current_klass(THREAD, pool->pool_holder());
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
491 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
492 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
493 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
494
0
a61af66fc99e Initial load
duke
parents:
diff changeset
495 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
496
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
497 Symbol* method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
498 Symbol* method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
499 KlassHandle current_klass(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
500
3461
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
501 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
502 || (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
503 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
504 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
505 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
506 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
507 return;
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
508 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
509 }
81d815b05abb 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3417
diff changeset
510
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
511 if (code == Bytecodes::_invokeinterface) {
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
512 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
513 } else if (code == Bytecodes::_invokevirtual) {
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
514 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
515 } else if (!resolved_klass->is_interface()) {
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
516 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
517 } else {
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
518 bool nostatics = (code == Bytecodes::_invokestatic) ? false : true;
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
519 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, nostatics, CHECK);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
520 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
521 }
a61af66fc99e Initial load
duke
parents:
diff changeset
522
a61af66fc99e Initial load
duke
parents:
diff changeset
523 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
524 Symbol* method_name, Symbol* method_signature,
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
525 KlassHandle current_klass, bool check_access,
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
526 bool require_methodref, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
527
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
528 Handle nested_exception;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
529
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
530 // 1. check if methodref required, that resolved_klass is not interfacemethodref
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
531 if (require_methodref && resolved_klass->is_interface()) {
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
532 ResourceMark rm(THREAD);
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
533 char buf[200];
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
534 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
535 resolved_klass()->external_name());
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
536 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
537 }
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
538
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
539 // 2. lookup method in resolved klass and its super klasses
13436
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
540 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, true, false, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
541
a61af66fc99e Initial load
duke
parents:
diff changeset
542 if (resolved_method.is_null()) { // not found in the class hierarchy
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
543 // 3. lookup method in all the interfaces implemented by the resolved klass
0
a61af66fc99e Initial load
duke
parents:
diff changeset
544 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
545
a61af66fc99e Initial load
duke
parents:
diff changeset
546 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
547 // 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
548 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
549 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
550 if (HAS_PENDING_EXCEPTION) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
551 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
552 CLEAR_PENDING_EXCEPTION;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
553 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
554 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
555
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
556 if (resolved_method.is_null()) {
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
557 // 4. method lookup failed
0
a61af66fc99e Initial load
duke
parents:
diff changeset
558 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
559 THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
560 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
561 method_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
562 method_signature),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
563 nested_exception);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
564 }
a61af66fc99e Initial load
duke
parents:
diff changeset
565 }
a61af66fc99e Initial load
duke
parents:
diff changeset
566
14909
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
567 // 5. check if method is concrete
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
568 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) {
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
569 ResourceMark rm(THREAD);
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
570 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
571 Method::name_and_sig_as_C_string(resolved_klass(),
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
572 method_name,
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
573 method_signature));
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
574 }
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
575
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
576 // 6. access checks, access checking may be turned off when calling from within the VM.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
577 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
578 assert(current_klass.not_null() , "current_klass should not be null");
a61af66fc99e Initial load
duke
parents:
diff changeset
579
a61af66fc99e Initial load
duke
parents:
diff changeset
580 // check if method can be accessed by the referring class
a61af66fc99e Initial load
duke
parents:
diff changeset
581 check_method_accessability(current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
582 resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
583 KlassHandle(THREAD, resolved_method->method_holder()),
a61af66fc99e Initial load
duke
parents:
diff changeset
584 resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
585 CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
586
a61af66fc99e Initial load
duke
parents:
diff changeset
587 // check loader constraints
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
588 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
589 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
590 {
a61af66fc99e Initial load
duke
parents:
diff changeset
591 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
592 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
593 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
594 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
595 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
596 const char* msg = "loader constraint violation: when resolving method"
a61af66fc99e Initial load
duke
parents:
diff changeset
597 " \"%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
598 " and the class loader (instance of %s) for the method's defining class, %s, have"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
599 " different Class objects for the type %s used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
600 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
601 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
602 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
603 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
604 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
605 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
606 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
607 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
608 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
609 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
610 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
611 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
612 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
613 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
614 }
a61af66fc99e Initial load
duke
parents:
diff changeset
615 }
a61af66fc99e Initial load
duke
parents:
diff changeset
616 }
a61af66fc99e Initial load
duke
parents:
diff changeset
617 }
a61af66fc99e Initial load
duke
parents:
diff changeset
618
a61af66fc99e Initial load
duke
parents:
diff changeset
619 void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
620 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
621 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
622 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
623 KlassHandle current_klass,
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
624 bool check_access,
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
625 bool nostatics, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
626
17524
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
627 // check if klass is interface
0
a61af66fc99e Initial load
duke
parents:
diff changeset
628 if (!resolved_klass->is_interface()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
629 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
630 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
631 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
632 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
633 }
a61af66fc99e Initial load
duke
parents:
diff changeset
634
a61af66fc99e Initial load
duke
parents:
diff changeset
635 // lookup method in this interface or its super, java.lang.Object
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
636 // JDK8: also look for static methods
13436
9fbabcbb875b 8028741: Interface Method Resolution should skip static and non-public methods in j.l.Object
hseigel
parents: 13433
diff changeset
637 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, false, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
638
a61af66fc99e Initial load
duke
parents:
diff changeset
639 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
640 // lookup method in all the super-interfaces
a61af66fc99e Initial load
duke
parents:
diff changeset
641 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
642 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
643 // no method found
a61af66fc99e Initial load
duke
parents:
diff changeset
644 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
645 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
646 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
647 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
648 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
649 }
a61af66fc99e Initial load
duke
parents:
diff changeset
650 }
a61af66fc99e Initial load
duke
parents:
diff changeset
651
14909
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
652 if (nostatics && resolved_method->is_static()) {
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
653 ResourceMark rm(THREAD);
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
654 char buf[200];
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
655 jio_snprintf(buf, sizeof(buf), "Expected instance not static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
656 resolved_method->name(),
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
657 resolved_method->signature()));
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
658 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
659 }
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
660
4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 14518
diff changeset
661
0
a61af66fc99e Initial load
duke
parents:
diff changeset
662 if (check_access) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
663 // 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
664 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
665
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
666 // 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
667 check_method_accessability(current_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
668 resolved_klass,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
669 KlassHandle(THREAD, resolved_method->method_holder()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
670 resolved_method,
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
671 CHECK);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
672
0
a61af66fc99e Initial load
duke
parents:
diff changeset
673 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
674 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
675 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
676 {
a61af66fc99e Initial load
duke
parents:
diff changeset
677 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
678 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
679 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
680 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
681 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
682 const char* msg = "loader constraint violation: when resolving "
a61af66fc99e Initial load
duke
parents:
diff changeset
683 "interface method \"%s\" the class loader (instance of %s) of the "
a61af66fc99e Initial load
duke
parents:
diff changeset
684 "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
685 "the method's defining class, %s, have different Class objects for the type %s "
0
a61af66fc99e Initial load
duke
parents:
diff changeset
686 "used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
687 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
688 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
689 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
690 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
691 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
692 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
693 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
694 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
695 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
696 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
697 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
698 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
699 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
700 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
701 }
a61af66fc99e Initial load
duke
parents:
diff changeset
702 }
a61af66fc99e Initial load
duke
parents:
diff changeset
703 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
704
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
705 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
706 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
707 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
708 (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
709 (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
710 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
711 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
712 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
713 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
714 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
715 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
716 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
717 tty->print("default ");
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
718 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
719 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
720 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
721 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
722 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
723 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
724 }
a61af66fc99e Initial load
duke
parents:
diff changeset
725
a61af66fc99e Initial load
duke
parents:
diff changeset
726 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
727 // Field resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
728
a61af66fc99e Initial load
duke
parents:
diff changeset
729 void LinkResolver::check_field_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
730 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
731 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
732 fieldDescriptor& fd,
a61af66fc99e Initial load
duke
parents:
diff changeset
733 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
734 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
735 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
736 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
737 fd.access_flags(),
a61af66fc99e Initial load
duke
parents:
diff changeset
738 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
739 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
740 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
741 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
742 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
743 "tried to access field %s.%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
744 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
745 fd.name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
746 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
747 );
a61af66fc99e Initial load
duke
parents:
diff changeset
748 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
749 }
a61af66fc99e Initial load
duke
parents:
diff changeset
750 }
a61af66fc99e Initial load
duke
parents:
diff changeset
751
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
752 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
753 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
754 }
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
755
359f7e70ae7f Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 12318
diff changeset
756 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
757 // 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
758 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
759 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
760
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
761 // resolve specified klass
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
762 KlassHandle resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
763 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
764
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
765 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
766 resolve_field(result, resolved_klass, field, sig, current_klass, byte, check_access, initialize_class, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
767 }
a61af66fc99e Initial load
duke
parents:
diff changeset
768
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
769 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
770 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
771 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
772 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
773 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
774 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
775
a61af66fc99e Initial load
duke
parents:
diff changeset
776 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
777 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
778
a61af66fc99e Initial load
duke
parents:
diff changeset
779 // 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
780 if (resolved_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
781 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
782 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
783 }
a61af66fc99e Initial load
duke
parents:
diff changeset
784
a61af66fc99e Initial load
duke
parents:
diff changeset
785 // Resolve instance field
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
786 KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
787 // 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
788 if (sel_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
789 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
790 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
791 }
a61af66fc99e Initial load
duke
parents:
diff changeset
792
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
793 if (!check_access)
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
794 // 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
795 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
796
0
a61af66fc99e Initial load
duke
parents:
diff changeset
797 // check access
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
798 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
799
a61af66fc99e Initial load
duke
parents:
diff changeset
800 // check for errors
a61af66fc99e Initial load
duke
parents:
diff changeset
801 if (is_static != fd.is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
802 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
803 char msg[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
804 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
805 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg);
a61af66fc99e Initial load
duke
parents:
diff changeset
806 }
a61af66fc99e Initial load
duke
parents:
diff changeset
807
a61af66fc99e Initial load
duke
parents:
diff changeset
808 // 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
809 if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
810 THROW(vmSymbols::java_lang_IllegalAccessError());
a61af66fc99e Initial load
duke
parents:
diff changeset
811 }
a61af66fc99e Initial load
duke
parents:
diff changeset
812
a61af66fc99e Initial load
duke
parents:
diff changeset
813 // initialize resolved_klass if necessary
a61af66fc99e Initial load
duke
parents:
diff changeset
814 // note 1: the klass which declared the field must be initialized (i.e, sel_klass)
a61af66fc99e Initial load
duke
parents:
diff changeset
815 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99)
a61af66fc99e Initial load
duke
parents:
diff changeset
816 //
a61af66fc99e Initial load
duke
parents:
diff changeset
817 // note 2: we don't want to force initialization if we are just checking
a61af66fc99e Initial load
duke
parents:
diff changeset
818 // 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
819 if (is_static && initialize_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
820 sel_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
821 }
a61af66fc99e Initial load
duke
parents:
diff changeset
822
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
823 if (sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
824 HandleMark hm(THREAD);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
825 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
826 Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
827 {
a61af66fc99e Initial load
duke
parents:
diff changeset
828 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
829 Symbol* failed_type_symbol =
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
830 SystemDictionary::check_signature_loaders(sig,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
831 ref_loader, sel_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
832 false,
a61af66fc99e Initial load
duke
parents:
diff changeset
833 CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
834 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
835 const char* msg = "loader constraint violation: when resolving field"
a61af66fc99e Initial load
duke
parents:
diff changeset
836 " \"%s\" the class loader (instance of %s) of the referring class, "
a61af66fc99e Initial load
duke
parents:
diff changeset
837 "%s, and the class loader (instance of %s) for the field's resolved "
a61af66fc99e Initial load
duke
parents:
diff changeset
838 "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
839 char* field_name = field->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
840 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
841 char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
842 const char* loader2 = SystemDictionary::loader_name(sel_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
843 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
844 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
845 strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
846 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
847 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
a61af66fc99e Initial load
duke
parents:
diff changeset
848 failed_type_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
849 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
850 }
a61af66fc99e Initial load
duke
parents:
diff changeset
851 }
a61af66fc99e Initial load
duke
parents:
diff changeset
852 }
a61af66fc99e Initial load
duke
parents:
diff changeset
853
a61af66fc99e Initial load
duke
parents:
diff changeset
854 // return information. note that the klass is set to the actual klass containing the
a61af66fc99e Initial load
duke
parents:
diff changeset
855 // field, otherwise access of static fields in superclasses will not work.
a61af66fc99e Initial load
duke
parents:
diff changeset
856 }
a61af66fc99e Initial load
duke
parents:
diff changeset
857
a61af66fc99e Initial load
duke
parents:
diff changeset
858
a61af66fc99e Initial load
duke
parents:
diff changeset
859 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
860 // Invoke resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
861 //
a61af66fc99e Initial load
duke
parents:
diff changeset
862 // Naming conventions:
a61af66fc99e Initial load
duke
parents:
diff changeset
863 //
a61af66fc99e Initial load
duke
parents:
diff changeset
864 // resolved_method the specified method (i.e., static receiver specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
865 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class)
a61af66fc99e Initial load
duke
parents:
diff changeset
866 // resolved_klass the specified klass (i.e., specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
867 // recv_klass the receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
868
a61af66fc99e Initial load
duke
parents:
diff changeset
869
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
870 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
871 Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
872 bool check_access, bool initialize_class, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
873 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
874 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
875 resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
876
a61af66fc99e Initial load
duke
parents:
diff changeset
877 // Initialize klass (this should only happen if everything is ok)
a61af66fc99e Initial load
duke
parents:
diff changeset
878 if (initialize_class && resolved_klass->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
879 resolved_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
880 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
881 }
a61af66fc99e Initial load
duke
parents:
diff changeset
882
a61af66fc99e Initial load
duke
parents:
diff changeset
883 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
884 result.set_static(resolved_klass, resolved_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
885 }
a61af66fc99e Initial load
duke
parents:
diff changeset
886
a61af66fc99e Initial load
duke
parents:
diff changeset
887 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
888 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
889 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
890 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
891
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
892 if (!resolved_klass->is_interface()) {
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
893 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
894 } else {
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
895 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
896 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
897 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
898
a61af66fc99e Initial load
duke
parents:
diff changeset
899 // check if static
a61af66fc99e Initial load
duke
parents:
diff changeset
900 if (!resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
901 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
902 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
903 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
904 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
905 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
906 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
907 }
a61af66fc99e Initial load
duke
parents:
diff changeset
908 }
a61af66fc99e Initial load
duke
parents:
diff changeset
909
a61af66fc99e Initial load
duke
parents:
diff changeset
910
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
911 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
912 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
913 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
914 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
915 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
916 }
a61af66fc99e Initial load
duke
parents:
diff changeset
917
a61af66fc99e Initial load
duke
parents:
diff changeset
918 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
919 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
920 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
921 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
922
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
923 // Invokespecial is called for multiple special reasons:
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
924 // <init>
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
925 // 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
926 // 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
927 // 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
928 // superinterface.method, which explicitly does not check shadowing
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
929
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
930 if (!resolved_klass->is_interface()) {
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
931 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
932 } else {
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
933 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
934 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
935
a61af66fc99e Initial load
duke
parents:
diff changeset
936 // check if method name is <init>, that it is found in same klass as static type
a61af66fc99e Initial load
duke
parents:
diff changeset
937 if (resolved_method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
938 resolved_method->method_holder() != resolved_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
939 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
940 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
941 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
942 vmSymbols::java_lang_NoSuchMethodError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
943 "%s: method %s%s not found",
a61af66fc99e Initial load
duke
parents:
diff changeset
944 resolved_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
945 resolved_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
946 resolved_method->signature()->as_C_string()
a61af66fc99e Initial load
duke
parents:
diff changeset
947 );
a61af66fc99e Initial load
duke
parents:
diff changeset
948 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
949 }
a61af66fc99e Initial load
duke
parents:
diff changeset
950
13401
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
951 // check if invokespecial's interface method reference is in an indirect superinterface
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
952 if (!current_klass.is_null() && resolved_klass->is_interface()) {
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
953 Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ?
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
954 current_klass() :
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
955 InstanceKlass::cast(current_klass())->host_klass();
13433
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
956 // As of the fix for 4486457 we disable verification for all of the
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
957 // dynamically-generated bytecodes associated with the 1.4
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
958 // reflection implementation, not just those associated with
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
959 // sun/reflect/SerializationConstructorAccessor.
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
960 bool is_reflect = JDK_Version::is_gte_jdk14x_version() &&
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
961 UseNewReflection &&
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
962 klass_to_check->is_subclass_of(
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
963 SystemDictionary::reflect_MagicAccessorImpl_klass());
13401
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
964
13433
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
965 if (!is_reflect &&
769557390c43 8029415: java/lang/reflect/Method/invoke/TestPrivateInterfaceMethodReflect.java fails on all platforms with hs25-b61
hseigel
parents: 13414
diff changeset
966 !InstanceKlass::cast(klass_to_check)->is_same_or_direct_interface(resolved_klass())) {
13401
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
967 ResourceMark rm(THREAD);
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
968 char buf[200];
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
969 jio_snprintf(buf, sizeof(buf),
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
970 "Interface method reference: %s, is in an indirect superinterface of %s",
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
971 Method::name_and_sig_as_C_string(resolved_klass(),
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
972 resolved_method->name(),
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
973 resolved_method->signature()),
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
974 current_klass->external_name());
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
975 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
976 }
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
977 }
22eaa15b7960 8026065: InterfaceMethodref for invokespecial must name a direct superinterface
hseigel
parents: 13055
diff changeset
978
0
a61af66fc99e Initial load
duke
parents:
diff changeset
979 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
980 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
981 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
982 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
983 jio_snprintf(buf, sizeof(buf),
a61af66fc99e Initial load
duke
parents:
diff changeset
984 "Expecting non-static method %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
985 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
986 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
987 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
988 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
989 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
990
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
991 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
992 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
993 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
994 (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
995 (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
996 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
997 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
998 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
999 resolved_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1000 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1001 resolved_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1002 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1003 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1004 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1005 if (resolved_method->is_overpass()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1006 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1007 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1008 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1009 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1010 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1011
a61af66fc99e Initial load
duke
parents:
diff changeset
1012 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1013 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1014 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1015
a61af66fc99e Initial load
duke
parents:
diff changeset
1016 // 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
1017 // for a superclass method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1018 // 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
1019 // no checks for shadowing
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1020 methodHandle sel_method(THREAD, resolved_method());
a61af66fc99e Initial load
duke
parents:
diff changeset
1021
a61af66fc99e Initial load
duke
parents:
diff changeset
1022 // check if this is an old-style super call and do a new lookup if so
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 { KlassHandle method_klass = KlassHandle(THREAD,
a61af66fc99e Initial load
duke
parents:
diff changeset
1024 resolved_method->method_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1025
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1026 if (check_access &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1027 // a) check if ACC_SUPER flag is set for the current class
8702
77443715ec55 8001307: Modify ACC_SUPER behavior
kamg
parents: 6822
diff changeset
1028 (current_klass->is_super() || !AllowNonVirtualCalls) &&
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1029 // 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
1030 // (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
1031 // 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
1032 // in super interfaces.
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1033 current_klass->is_subclass_of(resolved_klass()) &&
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1034 current_klass() != resolved_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1035 // c) check if the method is not <init>
a61af66fc99e Initial load
duke
parents:
diff changeset
1036 resolved_method->name() != vmSymbols::object_initializer_name()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1037 // Lookup super method
a61af66fc99e Initial load
duke
parents:
diff changeset
1038 KlassHandle super_klass(THREAD, current_klass->super());
a61af66fc99e Initial load
duke
parents:
diff changeset
1039 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
1040 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1041 resolved_method->signature(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1042 // check if found
a61af66fc99e Initial load
duke
parents:
diff changeset
1043 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1044 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1045 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1046 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1047 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1048 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1049 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1050 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1051 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1052
a61af66fc99e Initial load
duke
parents:
diff changeset
1053 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
1054 if (sel_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1055 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1057 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
1058 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1059 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1060 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1061 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1062
a61af66fc99e Initial load
duke
parents:
diff changeset
1063 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1064 if (sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1066 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1067 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1068 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1069 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1070 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1071
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1072 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1073 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1074 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
1075 (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
1076 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
1077 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1078 sel_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1079 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1080 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1081 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1082 if (sel_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1083 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1084 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1085 if (sel_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1086 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1087 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1088 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1089 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1090
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1091 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1092 result.set_static(resolved_klass, sel_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1093 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1094
a61af66fc99e Initial load
duke
parents:
diff changeset
1095 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
1096 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1099 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1100 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1101 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1102
a61af66fc99e Initial load
duke
parents:
diff changeset
1103 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1104 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
1105 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1107 // normal method resolution
12858
2f8728d92483 8026299: invokespecial gets ICCE when it should get AME.
acorn
parents: 12823
diff changeset
1108 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1109
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1111 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1112
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1113 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1114 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
1115 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1116 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1117 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
1118 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
1119 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1120 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1121 (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
1122 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1123 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1124
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1125 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
1126 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1127 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1129 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
1130 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1131 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1133 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1134
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1135 if (PrintVtables && Verbose) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1136 ResourceMark rm(THREAD);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1137 tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1138 (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1139 (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1140 Method::name_and_sig_as_C_string(resolved_klass(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1141 resolved_method->name(),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1142 resolved_method->signature()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1143 resolved_method->method_holder()->internal_name()
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1144 );
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1145 resolved_method->access_flags().print_on(tty);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1146 if (resolved_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1147 tty->print("default ");
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1148 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1149 if (resolved_method->is_overpass()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1150 tty->print("overpass");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1151 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1152 tty->cr();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1153 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1154 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1155
a61af66fc99e Initial load
duke
parents:
diff changeset
1156 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1157 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
a61af66fc99e Initial load
duke
parents:
diff changeset
1158 methodHandle resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
1159 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1160 Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 KlassHandle recv_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1162 bool check_null_and_abstract,
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1164
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 // setup default return values
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1166 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1167 methodHandle selected_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1168
a61af66fc99e Initial load
duke
parents:
diff changeset
1169 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
1170
a61af66fc99e Initial load
duke
parents:
diff changeset
1171 // runtime method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1172 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1173 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1174 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1175
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1176 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1177 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since
a61af66fc99e Initial load
duke
parents:
diff changeset
1178 // 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
1179 assert(resolved_method->method_holder()->is_linked(), "must be linked");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1180
a61af66fc99e Initial load
duke
parents:
diff changeset
1181 // 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
1182 if (resolved_method->method_holder()->is_interface()) { // miranda method
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1183 vtable_index = vtable_index_of_interface_method(resolved_klass,
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1184 resolved_method);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1185 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
a61af66fc99e Initial load
duke
parents:
diff changeset
1186
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1187 InstanceKlass* inst = InstanceKlass::cast(recv_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1189 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1190 // at this point we are sure that resolved_method is virtual and not
a61af66fc99e Initial load
duke
parents:
diff changeset
1191 // 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
1192 assert(!resolved_method->has_itable_index(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1193 vtable_index = resolved_method->vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1194 // We could get a negative vtable_index for final methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
1195 // because as an optimization they are they are never put in the vtable,
a61af66fc99e Initial load
duke
parents:
diff changeset
1196 // unless they override an existing method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1197 // If we do get a negative, it means the resolved method is the the selected
a61af66fc99e Initial load
duke
parents:
diff changeset
1198 // 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
1199 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1200 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
1201 selected_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1202 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1203 // recv_klass might be an arrayKlassOop but all vtables start at
a61af66fc99e Initial load
duke
parents:
diff changeset
1204 // 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
1205 InstanceKlass* inst = (InstanceKlass*)recv_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
1207 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1208 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1209
a61af66fc99e Initial load
duke
parents:
diff changeset
1210 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 if (selected_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1213 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1214 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1216 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1217 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1218
a61af66fc99e Initial load
duke
parents:
diff changeset
1219 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1220 if (check_null_and_abstract && selected_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1221 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1222 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1223 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1224 selected_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1225 selected_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1226 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1227
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1228 if (PrintVtables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1229 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1230 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
1231 (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
1232 (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
1233 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
1234 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1235 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1236 selected_method->method_holder()->internal_name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1237 vtable_index
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1238 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1239 selected_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1240 if (selected_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1241 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1242 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1243 if (selected_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1244 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1245 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1246 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1247 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1248 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1249 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1251
a61af66fc99e Initial load
duke
parents:
diff changeset
1252 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
1253 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1255 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1256 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1257 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1259
a61af66fc99e Initial load
duke
parents:
diff changeset
1260 // throws linktime exceptions
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1261 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
1262 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1263 // normal interface method resolution
13413
7a58803b5069 8026066: ICCE for invokeinterface static
acorn
parents: 13401
diff changeset
1264 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1265
a61af66fc99e Initial load
duke
parents:
diff changeset
1266 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1267 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1268 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1269
a61af66fc99e Initial load
duke
parents:
diff changeset
1270 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1271 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1272 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1273 // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1274 if (check_null_and_abstract && recv.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1275 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1276 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1277
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1278 // check if private interface method
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1279 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
1280 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1281 char buf[200];
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1282 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
1283 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
1284 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1285 resolved_method->signature()));
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1286 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1287 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1288
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1289 // check if receiver klass implements the resolved interface
a61af66fc99e Initial load
duke
parents:
diff changeset
1290 if (!recv_klass->is_subtype_of(resolved_klass())) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1291 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1292 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
1293 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
1294 recv_klass()->external_name(),
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1295 resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1296 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1297 }
17524
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
1298
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1299 // do lookup based on receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1300 methodHandle sel_method;
17524
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
1301 // This search must match the linktime preparation search for itable initialization
89152779163c Merge with jdk8-b132
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 15463
diff changeset
1302 // to correctly enforce loader constraints for interface method inheritance
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 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
1304 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1305 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1306 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
1307 // 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
1308 // 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
1309 // This needs further study.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1310 sel_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1311 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1314 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1315 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1316 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1317 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1318 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 }
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1320 // check access
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1321 // 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
1322 if (!sel_method->is_public()) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1323 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1324 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1325 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
1326 sel_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1327 sel_method->signature()));
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1328 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1329 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1330 if (check_null_and_abstract && sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1331 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1332 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1333 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1334 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1335 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1336 }
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1337
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1338 if (TraceItables && Verbose) {
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1339 ResourceMark rm(THREAD);
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1340 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
1341 (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
1342 (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
1343 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
1344 resolved_method->name(),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1345 resolved_method->signature()),
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1346 sel_method->method_holder()->internal_name()
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1347 );
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1348 sel_method->access_flags().print_on(tty);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1349 if (sel_method->is_default_method()) {
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1350 tty->print("default ");
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1351 }
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12318
diff changeset
1352 if (sel_method->is_overpass()) {
12318
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1353 tty->print("overpass");
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1354 }
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1355 tty->cr();
36b97be47bde 8011311: Private interface methods. Default conflicts:ICCE. no erased_super_default.
acorn
parents: 12316
diff changeset
1356 }
13055
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1357 // setup result
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1358 if (!resolved_method->has_itable_index()) {
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1359 int vtable_index = resolved_method->vtable_index();
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1360 assert(vtable_index == sel_method->vtable_index(), "sanity check");
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1361 result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK);
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1362 } else {
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1363 int itable_index = resolved_method()->itable_index();
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1364 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK);
fce21ac5968d 8027229: ICCE expected for >=2 maximally specific default methods.
acorn
parents: 12945
diff changeset
1365 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1366 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1367
a61af66fc99e Initial load
duke
parents:
diff changeset
1368
a61af66fc99e Initial load
duke
parents:
diff changeset
1369 methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1370 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1371 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1372 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1374 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1375 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1376 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1377 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1378 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1379 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1380 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1381 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1382 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1383 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1385
a61af66fc99e Initial load
duke
parents:
diff changeset
1386 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1387 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1388 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1389 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1390 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1391 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1392 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1393 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1394 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1395 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1396 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1397 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1398 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1399 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1400 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1401 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1402
a61af66fc99e Initial load
duke
parents:
diff changeset
1403 methodHandle LinkResolver::resolve_virtual_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1404 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1405 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1406 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1407 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1408 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1409 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1410 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1411 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1412 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1413 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1414 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1415 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1416 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1417 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1418
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 methodHandle LinkResolver::resolve_interface_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1420 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1421 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1422 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1423 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1424 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1425 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1426 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1427 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1428 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1429 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1430 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1431 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1432 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1433 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1434
a61af66fc99e Initial load
duke
parents:
diff changeset
1435 int LinkResolver::resolve_virtual_vtable_index(
a61af66fc99e Initial load
duke
parents:
diff changeset
1436 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1437 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1438 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1439 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1440 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1441 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1442 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1443 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1444 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1445 CLEAR_PENDING_EXCEPTION;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1446 return Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1447 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1448 return info.vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1449 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1450
a61af66fc99e Initial load
duke
parents:
diff changeset
1451 methodHandle LinkResolver::resolve_static_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1452 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1453 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1454 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1455 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1456 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1457 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1458 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1459 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1460 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1461 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1462 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1463 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1464 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1465
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1466 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1467 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1468 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1469 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1470 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1471 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1472 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1473 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1474 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1475 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1476 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1477
a61af66fc99e Initial load
duke
parents:
diff changeset
1478
a61af66fc99e Initial load
duke
parents:
diff changeset
1479
a61af66fc99e Initial load
duke
parents:
diff changeset
1480 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1481 // ConstantPool entries
a61af66fc99e Initial load
duke
parents:
diff changeset
1482
a61af66fc99e Initial load
duke
parents:
diff changeset
1483 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1484 switch (byte) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1485 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1486 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1487 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
1488 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
1489 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1490 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1491 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1492 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1493 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1494
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1495 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1496 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1497 // resolve klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1498 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1499
a61af66fc99e Initial load
duke
parents:
diff changeset
1500 // Get name, signature, and static klass
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1501 method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1502 method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1503 current_klass = KlassHandle(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1504 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1505
a61af66fc99e Initial load
duke
parents:
diff changeset
1506
a61af66fc99e Initial load
duke
parents:
diff changeset
1507 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1508 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1509 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1510 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1511 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1512 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1513 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1514 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1515
a61af66fc99e Initial load
duke
parents:
diff changeset
1516
a61af66fc99e Initial load
duke
parents:
diff changeset
1517 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1518 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1519 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1520 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1521 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1522 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1523 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1524 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1525
a61af66fc99e Initial load
duke
parents:
diff changeset
1526
a61af66fc99e Initial load
duke
parents:
diff changeset
1527 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1528 constantPoolHandle pool, int index,
a61af66fc99e Initial load
duke
parents:
diff changeset
1529 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1530
a61af66fc99e Initial load
duke
parents:
diff changeset
1531 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1532 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1533 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1534 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1535 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
1536 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1537 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1538 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1539
a61af66fc99e Initial load
duke
parents:
diff changeset
1540
a61af66fc99e Initial load
duke
parents:
diff changeset
1541 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1542 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1543 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1544 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1545 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1546 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
1547 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1548 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1549 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1550
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1551
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1552 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
1553 assert(EnableInvokeDynamic, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1554 // 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
1555 KlassHandle resolved_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1556 Symbol* method_name = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1557 Symbol* method_signature = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1558 KlassHandle current_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1559 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
1560 if (TraceMethodHandles) {
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1561 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1562 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
1563 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1564 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
1565 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1566
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1567 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
1568 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
1569 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1570 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1571 // 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
1572 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
1573 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
1574 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
1575 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
1576 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1577 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
1578 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
1579 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
1580 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
1581 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1582
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1583
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1584 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
1585 assert(EnableInvokeDynamic, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1586
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
1587 //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
1588 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
1589 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
1590 KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1591
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1592 // 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
1593 Handle bootstrap_specifier;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1594 // Check if CallSite has been bound already:
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1595 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
1596 if (cpce->is_f1_null()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1597 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
1598 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
1599 assert(bsm_info != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1600 // 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
1601 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
1602 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1603 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
1604 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
1605 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
1606 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
1607 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
1608 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1609 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1610
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1611 if (TraceMethodHandles) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1612 ResourceMark rm(THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1613 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
1614 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
1615 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
1616 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
1617 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1618
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1619 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
1620 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1621
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1622 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
1623 Handle bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1624 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
1625 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1626 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1627 // 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
1628 // 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
1629 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
1630 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1631 methodHandle resolved_method =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1632 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
1633 bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1634 method_name, method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1635 &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
1636 &resolved_method_type,
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1637 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
1638 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1639 if (TraceMethodHandles) {
12316
190899198332 7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents: 12264
diff changeset
1640 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
1641 PENDING_EXCEPTION->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1642 }
3417
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1643 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
1644 // 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
1645 return;
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1646 }
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1647 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
1648 // 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
1649 return;
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1650 }
ba550512d3b2 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1651 // 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
1652 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
1653 CLEAR_PENDING_EXCEPTION;
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1654 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
1655 }
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
1656 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
1657 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1658
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1659 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1660 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1661
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1662 void CallInfo::print() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1663 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1664 const char* kindstr = "unknown";
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1665 switch (_call_kind) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1666 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
1667 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
1668 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
1669 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1670 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
1671 _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1672 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1673
a61af66fc99e Initial load
duke
parents:
diff changeset
1674 #endif