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annotate src/share/vm/interpreter/linkResolver.cpp @ 12316:190899198332

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7195622: CheckUnhandledOops has limited usefulness now Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms. Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin Contributed-by: lois.foltan@oracle.com
author hseigel
date Thu, 26 Sep 2013 10:25:02 -0400
parents b2e698d2276c
children 36b97be47bde
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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->is_Compiler_thread()) {
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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 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 = vt->index_of_miranda(resolved_method->name(),
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159 resolved_method->signature());
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160 kind = CallInfo::vtable_call;
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161 } else {
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162 // A regular interface call.
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163 kind = CallInfo::itable_call;
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164 index = resolved_method->itable_index();
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165 }
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166 assert(index == Method::nonvirtual_vtable_index || index >= 0, err_msg("bad index %d", index));
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167 _call_kind = kind;
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168 _call_index = index;
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169 _resolved_appendix = Handle();
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170 DEBUG_ONLY(verify());
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171 }
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172
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173 #ifdef ASSERT
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174 void CallInfo::verify() {
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175 switch (call_kind()) { // the meaning and allowed value of index depends on kind
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176 case CallInfo::direct_call:
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177 if (_call_index == Method::nonvirtual_vtable_index) break;
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178 // else fall through to check vtable index:
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179 case CallInfo::vtable_call:
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180 assert(resolved_klass()->verify_vtable_index(_call_index), "");
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181 break;
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182 case CallInfo::itable_call:
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183 assert(resolved_method()->method_holder()->verify_itable_index(_call_index), "");
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184 break;
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185 case CallInfo::unknown_kind:
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186 assert(call_kind() != CallInfo::unknown_kind, "CallInfo must be set");
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187 break;
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188 default:
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189 fatal(err_msg_res("Unexpected call kind %d", call_kind()));
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190 }
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191 }
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192 #endif //ASSERT
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193
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194
0
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195
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196 //------------------------------------------------------------------------------------------------------------------------
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197 // Klass resolution
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198
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199 void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) {
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200 if (!Reflection::verify_class_access(ref_klass(),
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201 sel_klass(),
0
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202 true)) {
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203 ResourceMark rm(THREAD);
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204 Exceptions::fthrow(
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205 THREAD_AND_LOCATION,
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206 vmSymbols::java_lang_IllegalAccessError(),
0
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207 "tried to access class %s from class %s",
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208 sel_klass->external_name(),
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209 ref_klass->external_name()
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210 );
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211 return;
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212 }
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213 }
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214
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215 void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
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216 Klass* result_oop = pool->klass_ref_at(index, CHECK);
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217 result = KlassHandle(THREAD, result_oop);
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218 }
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219
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220 //------------------------------------------------------------------------------------------------------------------------
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221 // Method resolution
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222 //
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223 // According to JVM spec. $5.4.3c & $5.4.3d
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224
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225 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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226 Method* result_oop = klass->uncached_lookup_method(name, signature);
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227 if (EnableInvokeDynamic && result_oop != NULL) {
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228 vmIntrinsics::ID iid = result_oop->intrinsic_id();
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229 if (MethodHandles::is_signature_polymorphic(iid)) {
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230 // Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
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231 return;
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232 }
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233 }
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234 result = methodHandle(THREAD, result_oop);
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235 }
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236
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237 // returns first instance method
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238 void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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239 Method* result_oop = klass->uncached_lookup_method(name, signature);
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240 result = methodHandle(THREAD, result_oop);
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241 while (!result.is_null() && result->is_static()) {
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242 klass = KlassHandle(THREAD, result->method_holder()->super());
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243 result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature));
0
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244 }
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245 }
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246
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247
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diff changeset
248 int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
0
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249 ResourceMark rm(THREAD);
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250 klassVtable *vt = InstanceKlass::cast(klass())->vtable();
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diff changeset
251 return vt->index_of_miranda(name, signature);
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252 }
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253
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254 void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
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255 InstanceKlass *ik = InstanceKlass::cast(klass());
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256 result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature));
0
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257 }
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258
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259 void LinkResolver::lookup_polymorphic_method(methodHandle& result,
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260 KlassHandle klass, Symbol* name, Symbol* full_signature,
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261 KlassHandle current_klass,
6822
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262 Handle *appendix_result_or_null,
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diff changeset
263 Handle *method_type_result,
6266
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diff changeset
264 TRAPS) {
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265 vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
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266 if (TraceMethodHandles) {
9082
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267 ResourceMark rm(THREAD);
6266
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268 tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s",
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269 vmIntrinsics::name_at(iid), klass->external_name(),
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diff changeset
270 name->as_C_string(), full_signature->as_C_string());
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diff changeset
271 }
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272 if (EnableInvokeDynamic &&
1507
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diff changeset
273 klass() == SystemDictionary::MethodHandle_klass() &&
6266
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diff changeset
274 iid != vmIntrinsics::_none) {
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275 if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) {
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276 // 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
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277 // Do not erase last argument type (MemberName) if it is a static linkTo method.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
278 bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
279 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
280 MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
281 if (TraceMethodHandles) {
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diff changeset
282 ResourceMark rm(THREAD);
6266
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283 tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
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diff changeset
284 name->as_C_string(),
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diff changeset
285 full_signature->as_C_string(),
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diff changeset
286 basic_signature->as_C_string());
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diff changeset
287 }
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diff changeset
288 result = SystemDictionary::find_method_handle_intrinsic(iid,
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289 basic_signature,
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diff changeset
290 CHECK);
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diff changeset
291 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
292 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
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diff changeset
293 assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this");
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diff changeset
294 assert(basic_signature == result->signature(), "predict the result signature");
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diff changeset
295 if (TraceMethodHandles) {
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diff changeset
296 tty->print("lookup_polymorphic_method => intrinsic ");
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diff changeset
297 result->print_on(tty);
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298 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
299 return;
1660
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods
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diff changeset
300 }
6266
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diff changeset
301 } else if (iid == vmIntrinsics::_invokeGeneric
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diff changeset
302 && !THREAD->is_Compiler_thread()
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
303 && appendix_result_or_null != NULL) {
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diff changeset
304 // This is a method with type-checking semantics.
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diff changeset
305 // We will ask Java code to spin an adapter method for it.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
306 if (!MethodHandles::enabled()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
307 // Make sure the Java part of the runtime has been booted up.
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diff changeset
308 Klass* natives = SystemDictionary::MethodHandleNatives_klass();
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diff changeset
309 if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) {
6266
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diff changeset
310 SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(),
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diff changeset
311 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
312 Handle(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
313 true,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
314 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
315 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
316 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
317
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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318 Handle appendix;
6822
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319 Handle method_type;
6266
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320 result = SystemDictionary::find_method_handle_invoker(name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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321 full_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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322 current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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323 &appendix,
6822
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324 &method_type,
6266
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325 CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
326 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
327 tty->print("lookup_polymorphic_method => (via Java) ");
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328 result->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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329 tty->print(" lookup_polymorphic_method => appendix = ");
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330 if (appendix.is_null()) tty->print_cr("(none)");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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331 else appendix->print_on(tty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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332 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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333 if (result.not_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
334 #ifdef ASSERT
9082
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335 ResourceMark rm(THREAD);
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
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336
6266
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337 TempNewSymbol basic_signature =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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338 MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
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339 int actual_size_of_params = result->size_of_parameters();
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340 int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
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341 // +1 for MethodHandle.this, +1 for trailing MethodType
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342 if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1;
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343 if (appendix.not_null()) expected_size_of_params += 1;
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344 if (actual_size_of_params != expected_size_of_params) {
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345 tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string());
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346 tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid));
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347 result->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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348 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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349 assert(actual_size_of_params == expected_size_of_params,
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350 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
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351 #endif //ASSERT
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352
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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353 assert(appendix_result_or_null != NULL, "");
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354 (*appendix_result_or_null) = appendix;
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355 (*method_type_result) = method_type;
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356 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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357 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents: 0
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358 }
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents: 0
diff changeset
359 }
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents: 0
diff changeset
360 }
e5b0439ef4ae 6655638: dynamic languages need method handles
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diff changeset
361
0
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362 void LinkResolver::check_method_accessability(KlassHandle ref_klass,
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363 KlassHandle resolved_klass,
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364 KlassHandle sel_klass,
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parents:
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365 methodHandle sel_method,
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366 TRAPS) {
a61af66fc99e Initial load
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367
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368 AccessFlags flags = sel_method->access_flags();
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369
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370 // Special case: arrays always override "clone". JVMS 2.15.
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parents:
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371 // If the resolved klass is an array class, and the declaring class
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parents:
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372 // is java.lang.Object and the method is "clone", set the flags
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373 // to public.
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374 //
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parents:
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375 // We'll check for the method name first, as that's most likely
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parents:
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376 // to be false (so we'll short-circuit out of these tests).
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377 if (sel_method->name() == vmSymbols::clone_name() &&
1142
4ce7240d622c 6914300: ciEnv should export all well known classes
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parents: 1135
diff changeset
378 sel_klass() == SystemDictionary::Object_klass() &&
0
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parents:
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379 resolved_klass->oop_is_array()) {
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parents:
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380 // We need to change "protected" to "public".
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parents:
diff changeset
381 assert(flags.is_protected(), "clone not protected?");
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382 jint new_flags = flags.as_int();
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parents:
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383 new_flags = new_flags & (~JVM_ACC_PROTECTED);
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parents:
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384 new_flags = new_flags | JVM_ACC_PUBLIC;
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parents:
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385 flags.set_flags(new_flags);
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parents:
diff changeset
386 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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387 // assert(extra_arg_result_or_null != NULL, "must be able to return extra argument");
0
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388
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da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
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389 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
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390 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
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391 sel_klass(),
0
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parents:
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392 flags,
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parents:
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393 true)) {
a61af66fc99e Initial load
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394 ResourceMark rm(THREAD);
a61af66fc99e Initial load
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parents:
diff changeset
395 Exceptions::fthrow(
a61af66fc99e Initial load
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diff changeset
396 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
397 vmSymbols::java_lang_IllegalAccessError(),
0
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parents:
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398 "tried to access method %s.%s%s from class %s",
a61af66fc99e Initial load
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399 sel_klass->external_name(),
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parents:
diff changeset
400 sel_method->name()->as_C_string(),
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parents:
diff changeset
401 sel_method->signature()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
402 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
403 );
a61af66fc99e Initial load
duke
parents:
diff changeset
404 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
405 }
a61af66fc99e Initial load
duke
parents:
diff changeset
406 }
a61af66fc99e Initial load
duke
parents:
diff changeset
407
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
408 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
409 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
410 // This method is used only
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
411 // (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
412 // and
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
413 // (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
414 // 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
415 // FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
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parents:
diff changeset
416 // resolve klass
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
417 if (code == Bytecodes::_invokedynamic) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
418 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
419 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
420 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
421 KlassHandle current_klass(THREAD, pool->pool_holder());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
422 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
423 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
424 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
425
0
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parents:
diff changeset
426 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
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parents:
diff changeset
427
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
428 Symbol* method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
429 Symbol* method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
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parents:
diff changeset
430 KlassHandle current_klass(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
431
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
432 if (pool->has_preresolution()
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
433 || (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
434 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
435 Method* result_oop = ConstantPool::method_at_if_loaded(pool, index);
3785
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
436 if (result_oop != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
437 resolved_method = methodHandle(THREAD, result_oop);
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
438 return;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
439 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
440 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 3744
diff changeset
441
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
442 if (code == Bytecodes::_invokeinterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
443 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
444 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
445 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
446 }
0
a61af66fc99e Initial load
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parents:
diff changeset
447 }
a61af66fc99e Initial load
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parents:
diff changeset
448
a61af66fc99e Initial load
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parents:
diff changeset
449 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
450 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
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parents:
diff changeset
451 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
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parents:
diff changeset
452
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
453 Handle nested_exception;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
454
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
455 // 1. lookup method in resolved klass and its super klasses
0
a61af66fc99e Initial load
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parents:
diff changeset
456 lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
457
a61af66fc99e Initial load
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parents:
diff changeset
458 if (resolved_method.is_null()) { // not found in the class hierarchy
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
459 // 2. lookup method in all the interfaces implemented by the resolved klass
0
a61af66fc99e Initial load
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parents:
diff changeset
460 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
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parents:
diff changeset
461
a61af66fc99e Initial load
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parents:
diff changeset
462 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
463 // 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
464 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
465 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
466 if (HAS_PENDING_EXCEPTION) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
467 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
468 CLEAR_PENDING_EXCEPTION;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
469 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
470 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
471
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 0
diff changeset
472 if (resolved_method.is_null()) {
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
473 // 3. method lookup failed
0
a61af66fc99e Initial load
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parents:
diff changeset
474 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
475 THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
476 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
477 method_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
478 method_signature),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
479 nested_exception);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
480 }
a61af66fc99e Initial load
duke
parents:
diff changeset
481 }
a61af66fc99e Initial load
duke
parents:
diff changeset
482
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
483 // 4. check if klass is not interface
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
484 if (resolved_klass->is_interface() && resolved_method->is_abstract()) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
485 ResourceMark rm(THREAD);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
486 char buf[200];
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
487 jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
488 resolved_klass()->external_name());
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
489 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
490 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
491
0
a61af66fc99e Initial load
duke
parents:
diff changeset
492 // 5. check if method is concrete
a61af66fc99e Initial load
duke
parents:
diff changeset
493 if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
494 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
495 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
496 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
497 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
498 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
499 }
a61af66fc99e Initial load
duke
parents:
diff changeset
500
a61af66fc99e Initial load
duke
parents:
diff changeset
501 // 6. access checks, access checking may be turned off when calling from within the VM.
a61af66fc99e Initial load
duke
parents:
diff changeset
502 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
503 assert(current_klass.not_null() , "current_klass should not be null");
a61af66fc99e Initial load
duke
parents:
diff changeset
504
a61af66fc99e Initial load
duke
parents:
diff changeset
505 // check if method can be accessed by the referring class
a61af66fc99e Initial load
duke
parents:
diff changeset
506 check_method_accessability(current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
507 resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
508 KlassHandle(THREAD, resolved_method->method_holder()),
a61af66fc99e Initial load
duke
parents:
diff changeset
509 resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
510 CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
511
a61af66fc99e Initial load
duke
parents:
diff changeset
512 // check loader constraints
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
513 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
514 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
515 {
a61af66fc99e Initial load
duke
parents:
diff changeset
516 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
517 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
518 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
519 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
520 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
521 const char* msg = "loader constraint violation: when resolving method"
a61af66fc99e Initial load
duke
parents:
diff changeset
522 " \"%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
523 " and the class loader (instance of %s) for the method's defining class, %s, have"
0
a61af66fc99e Initial load
duke
parents:
diff changeset
524 " different Class objects for the type %s used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
525 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
526 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
527 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
528 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
529 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
530 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
531 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
532 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
533 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
534 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
535 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
536 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
537 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
538 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
539 }
a61af66fc99e Initial load
duke
parents:
diff changeset
540 }
a61af66fc99e Initial load
duke
parents:
diff changeset
541 }
a61af66fc99e Initial load
duke
parents:
diff changeset
542 }
a61af66fc99e Initial load
duke
parents:
diff changeset
543
a61af66fc99e Initial load
duke
parents:
diff changeset
544 void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
545 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
546 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
547 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
548 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
549 bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
550
a61af66fc99e Initial load
duke
parents:
diff changeset
551 // check if klass is interface
a61af66fc99e Initial load
duke
parents:
diff changeset
552 if (!resolved_klass->is_interface()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
553 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
554 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
555 jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
556 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
557 }
a61af66fc99e Initial load
duke
parents:
diff changeset
558
a61af66fc99e Initial load
duke
parents:
diff changeset
559 // lookup method in this interface or its super, java.lang.Object
a61af66fc99e Initial load
duke
parents:
diff changeset
560 lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
561
a61af66fc99e Initial load
duke
parents:
diff changeset
562 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
563 // lookup method in all the super-interfaces
a61af66fc99e Initial load
duke
parents:
diff changeset
564 lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
565 if (resolved_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
566 // no method found
a61af66fc99e Initial load
duke
parents:
diff changeset
567 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
568 THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
569 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
570 method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
571 method_signature));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
572 }
a61af66fc99e Initial load
duke
parents:
diff changeset
573 }
a61af66fc99e Initial load
duke
parents:
diff changeset
574
a61af66fc99e Initial load
duke
parents:
diff changeset
575 if (check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
576 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
577 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
578 Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
579 {
a61af66fc99e Initial load
duke
parents:
diff changeset
580 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
581 Symbol* failed_type_symbol =
0
a61af66fc99e Initial load
duke
parents:
diff changeset
582 SystemDictionary::check_signature_loaders(method_signature, loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
583 class_loader, true, CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
584 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
585 const char* msg = "loader constraint violation: when resolving "
a61af66fc99e Initial load
duke
parents:
diff changeset
586 "interface method \"%s\" the class loader (instance of %s) of the "
a61af66fc99e Initial load
duke
parents:
diff changeset
587 "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
588 "the method's defining class, %s, have different Class objects for the type %s "
0
a61af66fc99e Initial load
duke
parents:
diff changeset
589 "used in the signature";
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
590 char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
591 const char* loader1 = SystemDictionary::loader_name(loader());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
592 char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
593 const char* loader2 = SystemDictionary::loader_name(class_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
594 char* target = InstanceKlass::cast(resolved_method->method_holder())
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
595 ->name()->as_C_string();
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
596 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
597 size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
598 strlen(current) + strlen(loader2) + strlen(target) +
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
599 strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
600 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
601 jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
602 target, failed_type_name);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
603 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
604 }
a61af66fc99e Initial load
duke
parents:
diff changeset
605 }
a61af66fc99e Initial load
duke
parents:
diff changeset
606 }
a61af66fc99e Initial load
duke
parents:
diff changeset
607 }
a61af66fc99e Initial load
duke
parents:
diff changeset
608
a61af66fc99e Initial load
duke
parents:
diff changeset
609 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
610 // Field resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
611
a61af66fc99e Initial load
duke
parents:
diff changeset
612 void LinkResolver::check_field_accessability(KlassHandle ref_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
613 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
614 KlassHandle sel_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
615 fieldDescriptor& fd,
a61af66fc99e Initial load
duke
parents:
diff changeset
616 TRAPS) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
617 if (!Reflection::verify_field_access(ref_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
618 resolved_klass(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
619 sel_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
620 fd.access_flags(),
a61af66fc99e Initial load
duke
parents:
diff changeset
621 true)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
622 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
623 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
624 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
625 vmSymbols::java_lang_IllegalAccessError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
626 "tried to access field %s.%s from class %s",
a61af66fc99e Initial load
duke
parents:
diff changeset
627 sel_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
628 fd.name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
629 ref_klass->external_name()
a61af66fc99e Initial load
duke
parents:
diff changeset
630 );
a61af66fc99e Initial load
duke
parents:
diff changeset
631 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
632 }
a61af66fc99e Initial load
duke
parents:
diff changeset
633 }
a61af66fc99e Initial load
duke
parents:
diff changeset
634
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
635 void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
636 // 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
637 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
638 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
639
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
640 // resolve specified klass
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
641 KlassHandle resolved_klass;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
642 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
643
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
644 KlassHandle current_klass(THREAD, pool->pool_holder());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
645 resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
646 }
a61af66fc99e Initial load
duke
parents:
diff changeset
647
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
648 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
649 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
650 TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
651 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
652 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
653 (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
654
a61af66fc99e Initial load
duke
parents:
diff changeset
655 bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
656 bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic);
a61af66fc99e Initial load
duke
parents:
diff changeset
657
a61af66fc99e Initial load
duke
parents:
diff changeset
658 // 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
659 if (resolved_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
660 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
661 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
662 }
a61af66fc99e Initial load
duke
parents:
diff changeset
663
a61af66fc99e Initial load
duke
parents:
diff changeset
664 // Resolve instance field
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
665 KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
666 // 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
667 if (sel_klass.is_null()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
668 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
669 THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
a61af66fc99e Initial load
duke
parents:
diff changeset
670 }
a61af66fc99e Initial load
duke
parents:
diff changeset
671
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
672 if (!check_access)
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
673 // 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
674 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
675
0
a61af66fc99e Initial load
duke
parents:
diff changeset
676 // check access
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
677 check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
678
a61af66fc99e Initial load
duke
parents:
diff changeset
679 // check for errors
a61af66fc99e Initial load
duke
parents:
diff changeset
680 if (is_static != fd.is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
681 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
682 char msg[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
683 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
684 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg);
a61af66fc99e Initial load
duke
parents:
diff changeset
685 }
a61af66fc99e Initial load
duke
parents:
diff changeset
686
a61af66fc99e Initial load
duke
parents:
diff changeset
687 // 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
688 if (is_put && fd.access_flags().is_final() && sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
689 THROW(vmSymbols::java_lang_IllegalAccessError());
a61af66fc99e Initial load
duke
parents:
diff changeset
690 }
a61af66fc99e Initial load
duke
parents:
diff changeset
691
a61af66fc99e Initial load
duke
parents:
diff changeset
692 // initialize resolved_klass if necessary
a61af66fc99e Initial load
duke
parents:
diff changeset
693 // note 1: the klass which declared the field must be initialized (i.e, sel_klass)
a61af66fc99e Initial load
duke
parents:
diff changeset
694 // according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99)
a61af66fc99e Initial load
duke
parents:
diff changeset
695 //
a61af66fc99e Initial load
duke
parents:
diff changeset
696 // note 2: we don't want to force initialization if we are just checking
a61af66fc99e Initial load
duke
parents:
diff changeset
697 // 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
698 if (is_static && initialize_class) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
699 sel_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
700 }
a61af66fc99e Initial load
duke
parents:
diff changeset
701
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
702 if (sel_klass() != current_klass()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
703 HandleMark hm(THREAD);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
704 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
705 Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
706 {
a61af66fc99e Initial load
duke
parents:
diff changeset
707 ResourceMark rm(THREAD);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
708 Symbol* failed_type_symbol =
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
709 SystemDictionary::check_signature_loaders(sig,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
710 ref_loader, sel_loader,
a61af66fc99e Initial load
duke
parents:
diff changeset
711 false,
a61af66fc99e Initial load
duke
parents:
diff changeset
712 CHECK);
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
713 if (failed_type_symbol != NULL) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
714 const char* msg = "loader constraint violation: when resolving field"
a61af66fc99e Initial load
duke
parents:
diff changeset
715 " \"%s\" the class loader (instance of %s) of the referring class, "
a61af66fc99e Initial load
duke
parents:
diff changeset
716 "%s, and the class loader (instance of %s) for the field's resolved "
a61af66fc99e Initial load
duke
parents:
diff changeset
717 "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
718 char* field_name = field->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
719 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
720 char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
721 const char* loader2 = SystemDictionary::loader_name(sel_loader());
8840
cd3089a56438 8009731: Confusing error message for loader constraint violation
acorn
parents: 8706
diff changeset
722 char* failed_type_name = failed_type_symbol->as_C_string();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
723 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
724 strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
725 char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
a61af66fc99e Initial load
duke
parents:
diff changeset
726 jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
a61af66fc99e Initial load
duke
parents:
diff changeset
727 failed_type_name);
a61af66fc99e Initial load
duke
parents:
diff changeset
728 THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
729 }
a61af66fc99e Initial load
duke
parents:
diff changeset
730 }
a61af66fc99e Initial load
duke
parents:
diff changeset
731 }
a61af66fc99e Initial load
duke
parents:
diff changeset
732
a61af66fc99e Initial load
duke
parents:
diff changeset
733 // return information. note that the klass is set to the actual klass containing the
a61af66fc99e Initial load
duke
parents:
diff changeset
734 // field, otherwise access of static fields in superclasses will not work.
a61af66fc99e Initial load
duke
parents:
diff changeset
735 }
a61af66fc99e Initial load
duke
parents:
diff changeset
736
a61af66fc99e Initial load
duke
parents:
diff changeset
737
a61af66fc99e Initial load
duke
parents:
diff changeset
738 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
739 // Invoke resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
740 //
a61af66fc99e Initial load
duke
parents:
diff changeset
741 // Naming conventions:
a61af66fc99e Initial load
duke
parents:
diff changeset
742 //
a61af66fc99e Initial load
duke
parents:
diff changeset
743 // resolved_method the specified method (i.e., static receiver specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
744 // sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class)
a61af66fc99e Initial load
duke
parents:
diff changeset
745 // resolved_klass the specified klass (i.e., specified via constant pool index)
a61af66fc99e Initial load
duke
parents:
diff changeset
746 // recv_klass the receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
747
a61af66fc99e Initial load
duke
parents:
diff changeset
748
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
749 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
750 Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
751 bool check_access, bool initialize_class, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
752 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
753 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
754 resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
755
a61af66fc99e Initial load
duke
parents:
diff changeset
756 // Initialize klass (this should only happen if everything is ok)
a61af66fc99e Initial load
duke
parents:
diff changeset
757 if (initialize_class && resolved_klass->should_be_initialized()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
758 resolved_klass->initialize(CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
759 linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
760 }
a61af66fc99e Initial load
duke
parents:
diff changeset
761
a61af66fc99e Initial load
duke
parents:
diff changeset
762 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
763 result.set_static(resolved_klass, resolved_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
764 }
a61af66fc99e Initial load
duke
parents:
diff changeset
765
a61af66fc99e Initial load
duke
parents:
diff changeset
766 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
767 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
768 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
769 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
770
a61af66fc99e Initial load
duke
parents:
diff changeset
771 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
772 assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
773
a61af66fc99e Initial load
duke
parents:
diff changeset
774 // check if static
a61af66fc99e Initial load
duke
parents:
diff changeset
775 if (!resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
776 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
777 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
778 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
779 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
780 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
781 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
782 }
a61af66fc99e Initial load
duke
parents:
diff changeset
783 }
a61af66fc99e Initial load
duke
parents:
diff changeset
784
a61af66fc99e Initial load
duke
parents:
diff changeset
785
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
786 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
787 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
788 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
789 linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
790 runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
791 }
a61af66fc99e Initial load
duke
parents:
diff changeset
792
a61af66fc99e Initial load
duke
parents:
diff changeset
793 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
794 void LinkResolver::linktime_resolve_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
795 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
796 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
797
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
798 if (resolved_klass->is_interface() && current_klass() != NULL) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
799 // If the target class is a direct interface, treat this as a "super"
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
800 // default call.
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
801 //
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
802 // If the current method is an overpass that happens to call a direct
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
803 // super-interface's method, then we'll end up rerunning the default method
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
804 // analysis even though we don't need to, but that's ok since it will end
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
805 // up with the same answer.
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
806 InstanceKlass* ik = InstanceKlass::cast(current_klass());
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
807 Array<Klass*>* interfaces = ik->local_interfaces();
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
808 int num_interfaces = interfaces->length();
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
809 for (int index = 0; index < num_interfaces; index++) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
810 if (interfaces->at(index) == resolved_klass()) {
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
811 Method* method = DefaultMethods::find_super_default(current_klass(),
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
812 resolved_klass(), method_name, method_signature, CHECK);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
813 resolved_method = methodHandle(THREAD, method);
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
814 return;
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
815 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
816 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
817 }
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
818
0
a61af66fc99e Initial load
duke
parents:
diff changeset
819 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
820
a61af66fc99e Initial load
duke
parents:
diff changeset
821 // check if method name is <init>, that it is found in same klass as static type
a61af66fc99e Initial load
duke
parents:
diff changeset
822 if (resolved_method->name() == vmSymbols::object_initializer_name() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
823 resolved_method->method_holder() != resolved_klass()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
824 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
825 Exceptions::fthrow(
a61af66fc99e Initial load
duke
parents:
diff changeset
826 THREAD_AND_LOCATION,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
827 vmSymbols::java_lang_NoSuchMethodError(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
828 "%s: method %s%s not found",
a61af66fc99e Initial load
duke
parents:
diff changeset
829 resolved_klass->external_name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
830 resolved_method->name()->as_C_string(),
a61af66fc99e Initial load
duke
parents:
diff changeset
831 resolved_method->signature()->as_C_string()
a61af66fc99e Initial load
duke
parents:
diff changeset
832 );
a61af66fc99e Initial load
duke
parents:
diff changeset
833 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
834 }
a61af66fc99e Initial load
duke
parents:
diff changeset
835
a61af66fc99e Initial load
duke
parents:
diff changeset
836 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
837 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
838 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
839 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
840 jio_snprintf(buf, sizeof(buf),
a61af66fc99e Initial load
duke
parents:
diff changeset
841 "Expecting non-static method %s",
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
842 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
843 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
844 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
845 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
846 }
a61af66fc99e Initial load
duke
parents:
diff changeset
847 }
a61af66fc99e Initial load
duke
parents:
diff changeset
848
a61af66fc99e Initial load
duke
parents:
diff changeset
849 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
850 void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
851 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
852
a61af66fc99e Initial load
duke
parents:
diff changeset
853 // resolved method is selected method unless we have an old-style lookup
a61af66fc99e Initial load
duke
parents:
diff changeset
854 methodHandle sel_method(THREAD, resolved_method());
a61af66fc99e Initial load
duke
parents:
diff changeset
855
a61af66fc99e Initial load
duke
parents:
diff changeset
856 // check if this is an old-style super call and do a new lookup if so
a61af66fc99e Initial load
duke
parents:
diff changeset
857 { KlassHandle method_klass = KlassHandle(THREAD,
a61af66fc99e Initial load
duke
parents:
diff changeset
858 resolved_method->method_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
859
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
860 const bool direct_calling_default_method =
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
861 resolved_klass() != NULL && resolved_method() != NULL &&
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
862 resolved_klass->is_interface() && !resolved_method->is_abstract();
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
863
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
864 if (!direct_calling_default_method &&
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
865 check_access &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
866 // a) check if ACC_SUPER flag is set for the current class
8702
77443715ec55 8001307: Modify ACC_SUPER behavior
kamg
parents: 6822
diff changeset
867 (current_klass->is_super() || !AllowNonVirtualCalls) &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
868 // b) check if the method class is a superclass of the current class (superclass relation is not reflexive!)
6934
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
869 current_klass->is_subtype_of(method_klass()) &&
4735d2c84362 7200776: Implement default methods in interfaces
kamg
parents: 6822
diff changeset
870 current_klass() != method_klass() &&
0
a61af66fc99e Initial load
duke
parents:
diff changeset
871 // c) check if the method is not <init>
a61af66fc99e Initial load
duke
parents:
diff changeset
872 resolved_method->name() != vmSymbols::object_initializer_name()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
873 // Lookup super method
a61af66fc99e Initial load
duke
parents:
diff changeset
874 KlassHandle super_klass(THREAD, current_klass->super());
a61af66fc99e Initial load
duke
parents:
diff changeset
875 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
876 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
877 resolved_method->signature(), CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
878 // check if found
a61af66fc99e Initial load
duke
parents:
diff changeset
879 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
880 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
881 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
882 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
883 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
884 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
885 }
a61af66fc99e Initial load
duke
parents:
diff changeset
886 }
a61af66fc99e Initial load
duke
parents:
diff changeset
887 }
a61af66fc99e Initial load
duke
parents:
diff changeset
888
a61af66fc99e Initial load
duke
parents:
diff changeset
889 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
890 if (sel_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
891 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
892 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
893 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
894 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
895 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
896 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
897 }
a61af66fc99e Initial load
duke
parents:
diff changeset
898
a61af66fc99e Initial load
duke
parents:
diff changeset
899 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
900 if (sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
901 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
902 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
903 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
904 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
905 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
906 }
a61af66fc99e Initial load
duke
parents:
diff changeset
907
a61af66fc99e Initial load
duke
parents:
diff changeset
908 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
909 result.set_static(resolved_klass, sel_method, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
910 }
a61af66fc99e Initial load
duke
parents:
diff changeset
911
a61af66fc99e Initial load
duke
parents:
diff changeset
912 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
913 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
914 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
915 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
916 linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
917 runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
918 }
a61af66fc99e Initial load
duke
parents:
diff changeset
919
a61af66fc99e Initial load
duke
parents:
diff changeset
920 // throws linktime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
921 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
922 Symbol* method_name, Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
923 KlassHandle current_klass, bool check_access, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
924 // normal method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
925 resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
926
a61af66fc99e Initial load
duke
parents:
diff changeset
927 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
928 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
929
a61af66fc99e Initial load
duke
parents:
diff changeset
930 // check if not static
a61af66fc99e Initial load
duke
parents:
diff changeset
931 if (resolved_method->is_static()) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
932 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
933 char buf[200];
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
934 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
935 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
936 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
937 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
938 }
a61af66fc99e Initial load
duke
parents:
diff changeset
939 }
a61af66fc99e Initial load
duke
parents:
diff changeset
940
a61af66fc99e Initial load
duke
parents:
diff changeset
941 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
942 void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
a61af66fc99e Initial load
duke
parents:
diff changeset
943 methodHandle resolved_method,
a61af66fc99e Initial load
duke
parents:
diff changeset
944 KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
945 Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
946 KlassHandle recv_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
947 bool check_null_and_abstract,
a61af66fc99e Initial load
duke
parents:
diff changeset
948 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
949
a61af66fc99e Initial load
duke
parents:
diff changeset
950 // setup default return values
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
951 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
952 methodHandle selected_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
953
a61af66fc99e Initial load
duke
parents:
diff changeset
954 assert(recv.is_null() || recv->is_oop(), "receiver is not an oop");
a61af66fc99e Initial load
duke
parents:
diff changeset
955
a61af66fc99e Initial load
duke
parents:
diff changeset
956 // runtime method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
957 if (check_null_and_abstract && recv.is_null()) { // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
958 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
959 }
a61af66fc99e Initial load
duke
parents:
diff changeset
960
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
961 // Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s
0
a61af66fc99e Initial load
duke
parents:
diff changeset
962 // has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since
a61af66fc99e Initial load
duke
parents:
diff changeset
963 // 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
964 assert(resolved_method->method_holder()->is_linked(), "must be linked");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
965
a61af66fc99e Initial load
duke
parents:
diff changeset
966 // 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
967 if (resolved_method->method_holder()->is_interface()) { // miranda method
0
a61af66fc99e Initial load
duke
parents:
diff changeset
968 vtable_index = vtable_index_of_miranda_method(resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
969 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
970 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
971
0
a61af66fc99e Initial load
duke
parents:
diff changeset
972 assert(vtable_index >= 0 , "we should have valid vtable index at this point");
a61af66fc99e Initial load
duke
parents:
diff changeset
973
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
974 InstanceKlass* inst = InstanceKlass::cast(recv_klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
975 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
976 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
977 // at this point we are sure that resolved_method is virtual and not
a61af66fc99e Initial load
duke
parents:
diff changeset
978 // 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
979 assert(!resolved_method->has_itable_index(), "");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
980 vtable_index = resolved_method->vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
981 // We could get a negative vtable_index for final methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
982 // because as an optimization they are they are never put in the vtable,
a61af66fc99e Initial load
duke
parents:
diff changeset
983 // unless they override an existing method.
a61af66fc99e Initial load
duke
parents:
diff changeset
984 // If we do get a negative, it means the resolved method is the the selected
a61af66fc99e Initial load
duke
parents:
diff changeset
985 // 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
986 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
987 assert(resolved_method->can_be_statically_bound(), "cannot override this method");
a61af66fc99e Initial load
duke
parents:
diff changeset
988 selected_method = resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
989 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
990 // recv_klass might be an arrayKlassOop but all vtables start at
a61af66fc99e Initial load
duke
parents:
diff changeset
991 // 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
992 InstanceKlass* inst = (InstanceKlass*)recv_klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
993 selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index));
a61af66fc99e Initial load
duke
parents:
diff changeset
994 }
a61af66fc99e Initial load
duke
parents:
diff changeset
995 }
a61af66fc99e Initial load
duke
parents:
diff changeset
996
a61af66fc99e Initial load
duke
parents:
diff changeset
997 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
998 if (selected_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
999 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1001 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1002 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1003 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1004 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1005
a61af66fc99e Initial load
duke
parents:
diff changeset
1006 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1007 if (check_null_and_abstract && selected_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1008 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1009 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1010 Method::name_and_sig_as_C_string(resolved_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1011 selected_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1012 selected_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1013 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1014
a61af66fc99e Initial load
duke
parents:
diff changeset
1015 // setup result
a61af66fc99e Initial load
duke
parents:
diff changeset
1016 result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1017 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1018
a61af66fc99e Initial load
duke
parents:
diff changeset
1019 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
1020 Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1021 bool check_access, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1022 methodHandle resolved_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1024 runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1025 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1026
a61af66fc99e Initial load
duke
parents:
diff changeset
1027 // throws linktime exceptions
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1028 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
1029 Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1030 // normal interface method resolution
a61af66fc99e Initial load
duke
parents:
diff changeset
1031 resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1032
a61af66fc99e Initial load
duke
parents:
diff changeset
1033 assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1034 assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
a61af66fc99e Initial load
duke
parents:
diff changeset
1035 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1036
a61af66fc99e Initial load
duke
parents:
diff changeset
1037 // throws runtime exceptions
a61af66fc99e Initial load
duke
parents:
diff changeset
1038 void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1039 Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1040 // check if receiver exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1041 if (check_null_and_abstract && recv.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1042 THROW(vmSymbols::java_lang_NullPointerException());
a61af66fc99e Initial load
duke
parents:
diff changeset
1043 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1044
a61af66fc99e Initial load
duke
parents:
diff changeset
1045 // check if receiver klass implements the resolved interface
a61af66fc99e Initial load
duke
parents:
diff changeset
1046 if (!recv_klass->is_subtype_of(resolved_klass())) {
3324
acf5e660c71a 6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents: 2460
diff changeset
1047 ResourceMark rm(THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1048 char buf[200];
a61af66fc99e Initial load
duke
parents:
diff changeset
1049 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
1050 recv_klass()->external_name(),
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1051 resolved_klass()->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1052 THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
a61af66fc99e Initial load
duke
parents:
diff changeset
1053 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1054 // do lookup based on receiver klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1055 methodHandle sel_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 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
1057 resolved_method->name(),
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1058 resolved_method->signature(), CHECK);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1059 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
1060 // 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
1061 // 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
1062 // This needs further study.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1063 sel_method = resolved_method;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1064 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 // check if method exists
a61af66fc99e Initial load
duke
parents:
diff changeset
1066 if (sel_method.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1067 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1068 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1069 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1070 resolved_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1071 resolved_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1072 }
10128
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1073 // check access
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1074 if (sel_method->method_holder()->is_interface()) {
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1075 // Method holder is an interface. Throw Illegal Access Error if sel_method
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1076 // is neither public nor private.
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1077 if (!(sel_method->is_public() || sel_method->is_private())) {
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1078 ResourceMark rm(THREAD);
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1079 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1080 Method::name_and_sig_as_C_string(recv_klass(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1081 sel_method->name(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1082 sel_method->signature()));
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1083 }
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1084 }
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1085 else {
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1086 // Method holder is a class. Throw Illegal Access Error if sel_method
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1087 // is not public.
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1088 if (!sel_method->is_public()) {
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1089 ResourceMark rm(THREAD);
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1090 THROW_MSG(vmSymbols::java_lang_IllegalAccessError(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1091 Method::name_and_sig_as_C_string(recv_klass(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1092 sel_method->name(),
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1093 sel_method->signature()));
41ed397cc0cd 8006267: InterfaceMethod_ref should allow invokestatic and invokespecial
bharadwaj
parents: 9082
diff changeset
1094 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1095 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 // check if abstract
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 if (check_null_and_abstract && sel_method->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 ResourceMark rm(THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1099 THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1100 Method::name_and_sig_as_C_string(recv_klass(),
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1101 sel_method->name(),
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 sel_method->signature()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1103 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1104 // setup result
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1105 if (!resolved_method->has_itable_index()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1106 int vtable_index = resolved_method->vtable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1107 assert(vtable_index == sel_method->vtable_index(), "sanity check");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1108 result.set_virtual(resolved_klass, recv_klass, resolved_method, sel_method, vtable_index, CHECK);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1109 return;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1110 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1111 int itable_index = resolved_method()->itable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1112 result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, itable_index, CHECK);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1114
a61af66fc99e Initial load
duke
parents:
diff changeset
1115
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1117 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1118 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1119 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1121 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1122 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1123 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1124 linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1125 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1126 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1130 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1131 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1132
a61af66fc99e Initial load
duke
parents:
diff changeset
1133 methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1134 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1135 Symbol* method_name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1136 Symbol* method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 KlassHandle current_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 bool check_access) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1139 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 methodHandle method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1141 linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1143 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1144 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1146 return method_result;
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1148 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1149
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 methodHandle LinkResolver::resolve_virtual_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1151 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1153 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1154 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1155 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1156 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1157 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1158 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1159 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1160 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1162 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1165
a61af66fc99e Initial load
duke
parents:
diff changeset
1166 methodHandle LinkResolver::resolve_interface_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1167 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1168 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1169 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1170 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1171 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1172 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1173 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1174 resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1175 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1176 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1177 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1178 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1179 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1180 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1181
a61af66fc99e Initial load
duke
parents:
diff changeset
1182 int LinkResolver::resolve_virtual_vtable_index(
a61af66fc99e Initial load
duke
parents:
diff changeset
1183 KlassHandle receiver_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
1184 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1185 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1186 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1187 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1188 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1189 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1190 resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1191 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1192 CLEAR_PENDING_EXCEPTION;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1193 return Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1194 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1195 return info.vtable_index();
a61af66fc99e Initial load
duke
parents:
diff changeset
1196 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1197
a61af66fc99e Initial load
duke
parents:
diff changeset
1198 methodHandle LinkResolver::resolve_static_call_or_null(
a61af66fc99e Initial load
duke
parents:
diff changeset
1199 KlassHandle resolved_klass,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1200 Symbol* name,
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1201 Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1202 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1203 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1204 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1205 resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1207 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1208 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1209 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1210 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1212
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1213 methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1214 KlassHandle current_klass) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1216 CallInfo info;
a61af66fc99e Initial load
duke
parents:
diff changeset
1217 resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD);
a61af66fc99e Initial load
duke
parents:
diff changeset
1218 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1219 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1220 return methodHandle();
a61af66fc99e Initial load
duke
parents:
diff changeset
1221 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1222 return info.selected_method();
a61af66fc99e Initial load
duke
parents:
diff changeset
1223 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1224
a61af66fc99e Initial load
duke
parents:
diff changeset
1225
a61af66fc99e Initial load
duke
parents:
diff changeset
1226
a61af66fc99e Initial load
duke
parents:
diff changeset
1227 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1228 // ConstantPool entries
a61af66fc99e Initial load
duke
parents:
diff changeset
1229
a61af66fc99e Initial load
duke
parents:
diff changeset
1230 void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1231 switch (byte) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1232 case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1233 case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1234 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
1235 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
1236 case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1237 case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1238 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 return;
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1241
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1242 void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1243 KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1244 // resolve klass
a61af66fc99e Initial load
duke
parents:
diff changeset
1245 resolve_klass(resolved_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1246
a61af66fc99e Initial load
duke
parents:
diff changeset
1247 // Get name, signature, and static klass
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1248 method_name = pool->name_ref_at(index);
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1249 method_signature = pool->signature_ref_at(index);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 current_klass = KlassHandle(THREAD, pool->pool_holder());
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1252
a61af66fc99e Initial load
duke
parents:
diff changeset
1253
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1255 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1256 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1257 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1259 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1260 resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1261 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1262
a61af66fc99e Initial load
duke
parents:
diff changeset
1263
a61af66fc99e Initial load
duke
parents:
diff changeset
1264 void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1265 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1266 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1267 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1268 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1269 resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1270 resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1272
a61af66fc99e Initial load
duke
parents:
diff changeset
1273
a61af66fc99e Initial load
duke
parents:
diff changeset
1274 void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv,
a61af66fc99e Initial load
duke
parents:
diff changeset
1275 constantPoolHandle pool, int index,
a61af66fc99e Initial load
duke
parents:
diff changeset
1276 TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1277
a61af66fc99e Initial load
duke
parents:
diff changeset
1278 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1279 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1280 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1281 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1282 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
1283 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1284 resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1285 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1286
a61af66fc99e Initial load
duke
parents:
diff changeset
1287
a61af66fc99e Initial load
duke
parents:
diff changeset
1288 void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1289 KlassHandle resolved_klass;
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1290 Symbol* method_name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 1972
diff changeset
1291 Symbol* method_signature = NULL;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1292 KlassHandle current_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
1293 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
1294 KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1295 resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
a61af66fc99e Initial load
duke
parents:
diff changeset
1296 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1297
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1298
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1299 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
1300 assert(EnableInvokeDynamic, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1301 // 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
1302 KlassHandle resolved_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1303 Symbol* method_name = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1304 Symbol* method_signature = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1305 KlassHandle current_klass;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1306 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
1307 if (TraceMethodHandles) {
d79859ff6535 8011952: Missing ResourceMarks in TraceMethodHandles
kmo
parents: 8840
diff changeset
1308 ResourceMark rm(THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1309 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
1310 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1311 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
1312 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1313
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1314 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
1315 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
1316 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1317 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1318 // 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
1319 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
1320 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
1321 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
1322 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
1323 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1324 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
1325 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
1326 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
1327 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
1328 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1329
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1330
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1331 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
1332 assert(EnableInvokeDynamic, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1333
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
1334 //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
1335 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
1336 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
1337 KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1338
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1339 // 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
1340 Handle bootstrap_specifier;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1341 // Check if CallSite has been bound already:
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1342 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
1343 if (cpce->is_f1_null()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1344 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
1345 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
1346 assert(bsm_info != NULL, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1347 // 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
1348 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
1349 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1350 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
1351 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
1352 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
1353 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
1354 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
1355 return;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1356 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1357
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1358 if (TraceMethodHandles) {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1359 ResourceMark rm(THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1360 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
1361 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
1362 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
1363 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
1364 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1365
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1366 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
1367 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1368
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1369 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
1370 Handle bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1371 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
1372 KlassHandle current_klass,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1373 TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1374 // 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
1375 // 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
1376 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
1377 Handle resolved_method_type;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1378 methodHandle resolved_method =
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1379 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
1380 bootstrap_specifier,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1381 method_name, method_signature,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1382 &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
1383 &resolved_method_type,
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1384 THREAD);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1385 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1386 if (TraceMethodHandles) {
12316
190899198332 7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents: 12264
diff changeset
1387 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
1388 PENDING_EXCEPTION->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 3960
diff changeset
1389 }
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1390 if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1391 // throw these guys, since they are already wrapped
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1392 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1393 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1394 if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1395 // intercept only LinkageErrors which might have failed to wrap
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1396 return;
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1397 }
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1398 // 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
1399 Handle nested_exception(THREAD, PENDING_EXCEPTION);
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1400 CLEAR_PENDING_EXCEPTION;
6729
d17383603741 7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents: 6725
diff changeset
1401 THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception)
3744
60b8287df30e 7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents: 3324
diff changeset
1402 }
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
1403 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
1404 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 710
diff changeset
1405
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1406 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1407 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
1408
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1409 void CallInfo::print() {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1410 ResourceMark rm;
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1411 const char* kindstr = "unknown";
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1412 switch (_call_kind) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1413 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
1414 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
1415 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
1416 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10128
diff changeset
1417 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
1418 _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1420
a61af66fc99e Initial load
duke
parents:
diff changeset
1421 #endif